Best Atv Brake Master Cylinder for Honda, Yamaha and More

Best Atv Brake Master Cylinder

A strong ATV brake master cylinder choice matches your machine’s exact fitment and brake position, with mounting dimensions that agree with your existing setup. This roundup suits riders replacing a front or rear cylinder on Honda, Yamaha, Arctic Cat, or smaller Chinese ATVs, as well as buyers checking universal-style options. The Honda-specific M MATI unit leads because its listed fitment spans numerous TRX and ATC models and it provides a replacement part number for cross-checking.

Other picks cover Yamaha-specific applications, Arctic Cat models, broad small-engine fitment, and universal 7/8-inch handlebars. Before ordering, confirm the year and model, front or rear location, left or right side, and key dimensions; similar-looking cylinders can differ in mounting and hydraulic connections.

The M MATI Honda Front Cylinder is the strongest overall choice in this set for riders whose machine appears in its listed Honda fitment. It covers TRX200, TRX250, TRX300, TRX350, TRX420, and TRX500 applications, plus several ATC models, and lists replacement part numbers for cross-checking. The JAVIK Honda Front Cylinder is a close alternative with overlapping fitment and explicit 14.3 mm bore, mirror-hole thread, and banjo-bolt details.

Neither should be treated as universal: confirm the exact model, year, and brake position before buying.

Our Top Picks

M MATI Honda Front CylinderBest Overall

M MATI Honda Front Cylinder

Lists broad Honda TRX and ATC fitment, including TRX250 through 2020, and multiple replacement part numbers for application cross-checking.

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JAVIK Honda Front CylinderMost Detailed Specs

JAVIK Honda Front Cylinder

Covers overlapping Honda TRX and ATC models and specifies a 14.3 mm bore, M10×1.25 mirror hole, and M10×1.25 banjo bolt.

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Saihisday Yamaha Front CylinderBest Yamaha Fit

Saihisday Yamaha Front Cylinder

Targets numerous Yamaha ATV families and lists a 1.4 cm piston bore, 7/8-inch handlebar fit, and 10×1.25 mm banjo bolt.

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Compare These ATV Brake Master Cylinder Options

#ProductWeightDimensionsHandle MaterialBuy
115.2 oz——View on Amazon
215.2 oz——View on Amazon
3440 g0.39"L x 0.05"WAcrylonitrile Butadiene StyreneView on Amazon
414.6 oz——View on Amazon
5
OLIFANT Honda Front Cylinder5. OLIFANT Honda Front CylinderHonda Foreman and Rancher fit
0.61 kg11"L x 4.1"WMetalView on Amazon
6
HIAORS Chinese ATV Cylinder6. HIAORS Chinese ATV CylinderChinese ATV left-side replacements
——AluminumView on Amazon
7
SOLLON Left Cylinder7. SOLLON Left CylinderLeft-side small-quad controls
398 g0.39"L x 0.05"WAluminumView on Amazon
8
Poweka Universal Left Cylinder8. Poweka Universal Left CylinderUniversal 7/8-inch handlebar setups
0.05 kg1"L x 1"WAluminumView on Amazon
9
VRWEARE Universal Right Cylinder9. VRWEARE Universal Right CylinderRight-side universal handlebar fit
11.84 oz9.25"L x 0.05"W—View on Amazon
10
Slother Rear Cylinder10. Slother Rear CylinderSmall Chinese ATV rear brakes
7.4 oz7.48 x 2.36 x 0.94 in—View on Amazon

Detailed Reviews: Best Atv Brake Master Cylinder

M MATI Honda Front Cylinder

#1 · Best Overall

1. M MATI Honda Front Cylinder

  • Weight: 15.2 oz

Best for: Honda ATV replacement buyers.

Why it ranks #1: Lists broad Honda TRX and ATC fitment, including TRX250 through 2020, and multiple replacement part numbers for application cross-checking.

Honda-specific replacement coverage is the M MATI cylinder’s clearest advantage, spanning listed TRX and ATC models across several engine sizes and years. That range gives owners of supported machines a direct replacement option centered on part number 45510-HR3-305, rather than a broadly labeled universal cylinder.

The listing identifies 45510-HR3-305 and numerous replacement part numbers, which helps buyers cross-reference an existing part before ordering. Its stated Honda fitment covers models including TRX200, TRX250 and TRX350, with year ranges provided for each listed application. That model-by-model information supports a more targeted replacement search than a generic ATV listing. The fitment details also exclude the TRX300FW edition, so owners of that version can avoid treating the wider TRX300 range as a match.

Pros
  • Named replacement number 45510-HR3-305
  • Multiple additional replacement part numbers listed
  • Honda TRX and ATC fitment is specified
  • Year ranges are provided for listed models
Cons
  • The stated TRX300 fitment excludes the TRX300FW edition.

Skip it if you need a universal or non-Honda cylinder; this listing specifies Honda ATV and ATC applications.

Honda ATV owners seeking a front master-cylinder replacement can use the listed model and part-number coverage to narrow the choice. Check the exact year and edition, especially for TRX300, which excludes the FW version.

Full product details
BrandM MATI
Item Weight‎15.2 ounces
Item model number‎45510-HR3-305
Manufacturer‎M MATI
Part Number‎45510-HR3-305
Package Dimensions‎10.71 x 4.61 x 3.11 inches

Listed on Amazon as: M MATI Front Brake Master Cylinder for Honda ATV TRX 200 250 300 350 420 500 500 ATC 200 250 350 45510-HR3-305

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JAVIK Honda Front Cylinder

#2 · Most Detailed Specs

2. JAVIK Honda Front Cylinder

  • Weight: 15.2 oz

Best for: Honda ATV front-cylinder replacements.

Why it ranks #2: Covers overlapping Honda TRX and ATC models and specifies a 14.3 mm bore, M10×1.25 mirror hole, and M10×1.25 banjo bolt.

Honda TRX and ATC coverage with a specified 9/16-inch piston bore makes this JAVIK front cylinder a targeted replacement candidate. The listing names multiple model years and provides mirror-hole and banjo-bolt thread sizes, helping buyers compare the control assembly with their existing setup.

The fitment list covers Honda models including TRX200, TRX250, TRX300, TRX350, TRX420, TRX500 and TRX520, along with several ATC models. A 9/16-inch, 14.3 mm piston bore and M10×1.25 mirror and banjo specifications provide concrete comparison points for the hydraulic and mounting setup. The listing excludes the TRX300FW edition, so that boundary matters when reading its otherwise broad TRX300 coverage. Its OEM and replacement numbers add cross-reference options.

Pros
  • Honda TRX and ATC model-year applications are listed
  • 9/16-inch, 14.3 mm piston bore is specified
  • M10×1.25 mirror-hole and banjo specifications are provided
  • OEM and replacement part numbers are listed
Cons
  • The stated TRX300 fitment excludes the TRX300FW edition.

Skip it if you own a TRX300FW or need a cylinder for a non-Honda application.

Honda ATV owners seeking a front master-cylinder replacement can compare the extensive model list and specified dimensions against their machine. Pay particular attention to the TRX300FW exclusion and the listed thread sizes before selecting it.

Full product details
BrandJAVIK
Item Weight‎15.2 ounces
Manufacturer‎JAVIK
Part Number‎45510-HR3-305
Package Dimensions‎10.67 x 4.02 x 3.07 inches

Listed on Amazon as: Front Brake Master Cylinder Compatible with Honda TRX 200 250 300 350 420 500 520 ATC 200X 250R 350X OME#45510-HR3-305

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Saihisday Yamaha Front Cylinder

#3 · Best Yamaha Fit

3. Saihisday Yamaha Front Cylinder

  • Weight: 440 g
  • Dimensions: 0.39"L x 0.05"W
  • Handle Material: Acrylonitrile Butadiene Styrene

Best for: Yamaha ATV front replacements.

Why it ranks #3: Targets numerous Yamaha ATV families and lists a 1.4 cm piston bore, 7/8-inch handlebar fit, and 10×1.25 mm banjo bolt.

Yamaha-focused model coverage paired with a 1.4 cm piston bore defines this Saihisday front master cylinder. It targets named ATV families such as Banshee, Big Bear, Grizzly and Kodiak, giving owners a model-oriented replacement with a stated 7/8-inch handlebar size.

The listing identifies a 7/8-inch, 22 mm handlebar and a 1.4 cm piston bore, giving buyers useful dimensions to compare with the existing front control. It specifies the right side and describes plug-and-play installation, with an estimated installation time of 30 minutes or less. The Yamaha application list includes several model families, while the replacement number 4WV-25870-00-00 offers another cross-reference. Installation is still advised according to professional requirements.

Pros
  • Yamaha ATV model families are listed
  • 1.4 cm piston bore is specified
  • 7/8-inch, 22 mm handlebar size is stated
  • Right-side plug-and-play installation is described
Cons
  • Installation instructions advise professional requirements rather than providing a detailed procedure.

Skip it if you need a left-side cylinder or a product with a detailed installation procedure included in the supplied information.

Yamaha ATV owners seeking a right-side front replacement can use the model list, bore size and part number to evaluate this option. Its stated handlebar size and professional-installation reminder remain relevant selection considerations.

Full product details
BrandSaihisday
ColorChrome
Handle CompatibilityModel Specific, Size Specific
Handle MaterialAcrylonitrile Butadiene Styrene
Item Dimensions L x W0.39"L x 0.05"W
Item Weight440 g
ManufacturerQUIOSS
Part Number4WV-25870-00-00
MaterialMetal
Model Number4WV-25870-00-00
Dimensions0.39"L x 0.05"W

Listed on Amazon as: Front Brake Master Cylinder for Yamaha ATV Banshee 350 1987-2006 Big Bear 450 2007-2014 400 2000-2012 350 1987-1999 250 2007-2009 Grizzly Kodiak 450 2003-2006 Raptor Timberwolf Wolverine YFZ450

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M MATI Arctic Cat Cylinder

#4 · Best Arctic Cat Fit

4. M MATI Arctic Cat Cylinder

  • Weight: 14.6 oz

Best for: Arctic Cat left-side replacements.

Why it ranks #4: Names Arctic Cat 250, 300, 375, 400, 500, and Bearcat 454 applications, with several corresponding replacement part numbers.

Arctic Cat-specific coverage from 250cc through 500cc models gives this M MATI left-handlebar cylinder a clear replacement focus. The listing names Bearcat 454 as well as several ATV families and provides multiple replacement part numbers for cross-referencing an existing assembly.

The fitment list includes Arctic Cat 250, 300, 375, 400 and 500 models, plus Bearcat 454, with year ranges supplied for each application. That model-and-year detail helps owners narrow their search to a listed machine. The left-handlebar designation clarifies the control side, while the manufacturer part number 0502-387 and several replacement numbers support part cross-referencing. M MATI also describes precision manufacture and advanced materials, although the listing does not provide further dimensional specifications.

Pros
  • Left-handlebar front cylinder is identified
  • Arctic Cat ATV models and years are listed
  • Bearcat 454 applications are included
  • Multiple replacement part numbers are provided
Cons
  • The listing supplies no piston-bore or banjo-bolt dimensions.

Skip it if you need a right-side unit or specific bore and banjo measurements to compare before ordering.

Arctic Cat owners seeking a left-side front replacement can use the listed model years and part numbers to evaluate this cylinder. Buyers who require bore or banjo dimensions should account for those details not being supplied.

Full product details
BrandM MATI
Item Weight‎14.6 ounces
Item model number‎0502-387
Manufacturer‎M MATI
Part Number‎0502-387
Package Dimensions‎10.75 x 4.06 x 3.35 inches

Listed on Amazon as: M MATI Left Handlebar Front Brake Master Cylinder for Arctic Cat ATV 250 300 375 400 500 Bearcat 454 0502-387

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OLIFANT Honda Front Cylinder

#5

5. OLIFANT Honda Front Cylinder

  • Weight: 0.61 kg
  • Dimensions: 11"L x 4.1"W
  • Handle Material: Metal

Best for: Honda Foreman and Rancher fit.

Why it ranks #5: Lists Honda Foreman, Rancher, and Rubicon applications and specifies front-right placement, a 14 mm bore, and 10×1.25 mm banjo bolt.

Coverage for Honda Foreman, Rubicon and Rancher families through several model years is the chief appeal of this OLIFANT front cylinder. Its 14 mm piston bore and 7/8-inch handlebar fit give owners concrete dimensions alongside the model-specific application list.

The listing identifies a front, right-side assembly for Honda TRX-series applications and specifies a 14 mm piston bore, 10×1.25 mm banjo bolt and 7/8-inch, 22 mm handlebar fit. These details let buyers compare the cylinder and connection sizes with their current setup. Its application list spans Foreman and Rubicon 500/520 models as well as Rancher 350 models, helping owners narrow a replacement by family and year. The stated side designation is important when choosing the part.

Pros
  • Front, right-side orientation is specified
  • 14 mm piston bore is listed
  • 10×1.25 mm banjo bolt is specified
  • Honda Foreman, Rubicon and Rancher applications are named
Cons
  • The listing focuses on the Honda TRX series rather than universal applications.

Skip it if you need a left-side or non-Honda cylinder; this listing identifies a front, right-side Honda TRX-series application.

Honda Foreman, Rubicon and Rancher owners seeking a front right-side replacement can assess this option using its model list and dimensions. Confirm the exact year and the stated 7/8-inch handlebar fit before choosing.

Full product details
BrandOLIFANT
ColorBlack
Handle CompatibilityBrand Specific, Model Specific
Handle MaterialMetal
Included ComponentsFront Brake Master Cylinder
Item Dimensions L x W11"L x 4.1"W
Item Weight0.61 kg
ManufacturerOLIFANT
MaterialMetal
Model NumberMD-1004R
Dimensions11"L x 4.1"W

Listed on Amazon as: Brake Master Cylinder For Honda Fourtrax 300/foreman 450 500/Rancher 350

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HIAORS Chinese ATV Cylinder

#6

6. HIAORS Chinese ATV Cylinder

  • Handle Material: Aluminum

Best for: Chinese ATV left-side replacements.

Why it ranks #6: Covers many 50cc–250cc Chinese ATV and pit-bike applications, including Taotao, Coolster, Kazuma, and Sunl, as a left-hand cylinder.

Broad listed coverage for Chinese 50cc–250cc four-stroke ATVs is the main draw of this HIAORS left-hand cylinder. It gives owners of several named brands and engine sizes a replacement option, while the 7/8-inch description helps identify the handlebar format before purchase.

The fitment list covers 50cc through 250cc four-stroke Chinese ATVs and names brands including TaoTao, Coolster, Buyang, Kazuma and Sunl. That breadth can help owners of common small-quad platforms locate a left-side replacement without relying on a single model name. The 7/8-inch title specification supplies a handlebar-size reference, and the aluminum handle material is also identified. Buyers should use the listed model and brand details to narrow the broad compatibility statement to their machine.

Pros
  • Left-hand hydraulic master cylinder is identified
  • Fitment lists 50cc–250cc four-stroke Chinese ATVs
  • Several compatible brands are named
  • Aluminum handle material is specified
Cons
  • The broad fitment list does not provide detailed year-by-year applications.

Skip it if you need a year-specific compatibility chart or a right-side cylinder; this listing is for the left side.

Owners of listed Chinese-brand quads and pit bikes seeking a left-hand hydraulic replacement are the intended buyers. The broad engine-size coverage is useful, but confirm the exact model against the supplied fitment details.

Full product details
BrandHIAORS
ColorBlack
Handle CompatibilityBrand Specific, Model Specific
Handle MaterialAluminum
ManufacturerHIAORS
Part NumberBR036-Left
StyleSports
Style NameSports

Listed on Amazon as: 7/8'' ATV Left Hand Hydraulic Brake Master Cylinder Lever for Tao tao Coolster 110cc 125cc Kazuma Sunl Locin Chinese Quad 4 Wheeler 90cc 70cc 50cc Pit Dirt Bike Motorcycle Parts

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SOLLON Left Cylinder

#7

7. SOLLON Left Cylinder

  • Weight: 398 g
  • Dimensions: 0.39"L x 0.05"W
  • Handle Material: Aluminum

Best for: Left-side small-quad controls.

Why it ranks #7: Lists 50cc–250cc ATV and dirt-bike fitment, a 7/8-inch handlebar, and a 10×1.25 mm banjo bolt for its left-side design.

An adjustable left-hand lever sets this SOLLON master cylinder apart for riders who want to position the control to suit their reach. Its listed 7/8-inch handlebar fit and broad 50cc–250cc application range target many small Chinese-brand ATVs, dirt bikes and similar vehicles.

The listing specifies a 7/8-inch, 22 mm handlebar, a 10×1.25 mm banjo bolt and an 8 mm rear-view-mirror hole, giving buyers several dimensions to compare with their existing setup. The adjustable lever allows a rider to set lever position, while the aluminum construction and left-side designation clarify the assembly type. Fitment names brands such as TaoTao, Buyang, Kazuma and Roketa across 50cc–250cc applications, supporting a broad but still size-dependent replacement search.

Pros
  • Adjustable lever position is stated
  • 7/8-inch, 22 mm handlebar fit is specified
  • 10×1.25 mm banjo bolt and 8 mm mirror hole are listed
  • Aluminum construction and left-side orientation are identified
Cons
  • The listed application range stops at 250cc.

Skip it if you need a right-side control or an application above the listed 250cc range.

Small-quad, dirt-bike and moped owners seeking an adjustable left lever are the clearest audience. Check the stated handlebar, banjo-bolt and mirror-hole dimensions, and note that listed engine coverage runs through 250cc.

Full product details
BrandSOLLON
ColorBlack
Handle CompatibilityBrand Specific
Handle MaterialAluminum
Item Dimensions L x W0.39"L x 0.05"W
Item Weight398 g
ManufacturerSollon
Part Number02SL201L
MaterialAluminum
Model Number02SL201L
Dimensions0.39"L x 0.05"W
StyleLeft
Style NameLeft

Listed on Amazon as: 7/8'' Left Hydraulic Brake Master Cylinder Lever Pump Replace for 50cc 70cc 90cc 110cc 125cc 150c 200cc 250cc ATV Quad Moped Motorcycle Pit Bike Dirt Bike, Taotao Roketa Sunl Kazuma

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Poweka Universal Left Cylinder

#8

8. Poweka Universal Left Cylinder

  • Weight: 0.05 kg
  • Dimensions: 1"L x 1"W
  • Handle Material: Aluminum

Best for: Universal 7/8-inch handlebar setups.

Why it ranks #8: Offers a 7/8-inch universal hydraulic brake master cylinder for ATV and dirt-bike use, but the listing gives little application-specific sizing detail.

A 7/8-inch universal hydraulic master cylinder is the defining feature of this Poweka unit, offering ATV and dirt-bike owners a handlebar-size-based option. Its metal construction and aluminum handle suit buyers looking for a simple replacement described by control size rather than a particular vehicle model.

The listing calls this a universal hydraulic brake master and identifies 7/8-inch compatibility, giving buyers a basic handlebar dimension to compare with their setup. Its metal body and aluminum handle provide the material details available for assessing the control assembly. Because no vehicle-specific application list or additional hydraulic measurements are supplied, the size-based description is the main selection guide; it is best suited to buyers whose setup already matches the stated handlebar size and universal compatibility.

Pros
  • Specified as a universal hydraulic brake master
  • 7/8-inch handlebar size is identified
  • Metal material is listed
  • Aluminum handle material is specified
Cons
  • The listing gives no vehicle-specific fitment list or hydraulic dimensions beyond handlebar size.

Skip it if you need a model-specific application list or detailed hydraulic measurements before selecting a replacement.

This is a reasonable candidate for a rider seeking a basic universal 7/8-inch control for an ATV or dirt bike. Buyers who need vehicle-specific confirmation or more detailed sizing information should choose a listing with those particulars.

Full product details
BrandPoweka
ColorBlack
Handle CompatibilityUniversal
Handle MaterialAluminum
Included Components7/8" Universal Hydraulic Brake Master
Item Dimensions L x W1"L x 1"W
Item Weight0.05 kg
ManufacturerPoweka
Part Number21Z-FBA019
MaterialMetal
Model Number7/8" Universal Hydraulic Brake Master
Dimensions1"L x 1"W
StyleCompatible
Style NameCompatible
Additional InformationImportant information

Listed on Amazon as: 7/8" Motorcycle Left Hydraulic Brake Master Cylinder for ATV Dirt Bike

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VRWEARE Universal Right Cylinder

#9

9. VRWEARE Universal Right Cylinder

  • Weight: 11.84 oz
  • Dimensions: 9.25"L x 0.05"W

Best for: Right-side universal handlebar fit.

Why it ranks #9: Specifies 7/8-inch handlebars, a 12.7 mm piston bore, and a 10×1.25 mm banjo bolt, but does not identify particular ATV models.

A stated 12.7 mm piston bore and 10×1.25 mm banjo bolt distinguish this VRWEARE right-hand master cylinder. Those measurements give buyers concrete dimensions to compare with an existing brake assembly, while its 7/8-inch, 22 mm handlebar fit targets a common control size.

The 7/8-inch, 22 mm handlebar specification helps buyers assess whether the clamp suits their bar, while the 12.7 mm piston bore and 10×1.25 mm banjo bolt provide further comparison points for the hydraulic setup. An M10 rear-view-mirror hole adds a stated mounting feature for riders using a mirror at the control. The listing describes an assembly for several vehicle types, including ATVs, dirt bikes and scooters, but directs buyers to check dimensions carefully.

Pros
  • Right-hand brake master cylinder assembly
  • 7/8-inch, 22 mm handlebar fit is specified
  • 12.7 mm piston bore is listed
  • 10×1.25 mm banjo bolt and M10 mirror hole are specified
Cons
  • No vehicle-specific year or model fitment list is provided.

Skip it if you need a model-by-model application chart rather than a universal size-based assembly.

Riders matching a 22 mm handlebar, 12.7 mm bore and listed bolt dimensions may find this useful across compatible vehicle types. Treat those measurements—not a vehicle-specific fitment chart—as the main selection criteria.

Full product details
BrandVRWEARE
ColorBlack
Handle CompatibilityUniversal
Included ComponentsKey
Item Dimensions L x W9.25"L x 0.05"W
Item Weight11.84 ounces
ManufacturerVRWEARE
Dimensions9.25"L x 0.05"W

Listed on Amazon as: Motorcycle Brake Pump Universal 7/8'' 22mm Handlebar Right Hand Brake Master Cylinder Lever for Dirt Pit Bike ATV Quad Moped Scooter Buggy Go Kart

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Slother Rear Cylinder

#10

10. Slother Rear Cylinder

  • Weight: 7.4 oz
  • Dimensions: 7.48 x 2.36 x 0.94 in

Best for: Small Chinese ATV rear brakes.

Why it ranks #10: Targets the rear brake on small Chinese 50cc–125cc ATVs and dirt bikes, making it a narrower match than front-cylinder options.

A rear-specific master cylinder for many Chinese 50cc–125cc ATVs is the defining fit of this Slother unit. Its 10 mm banjo bolt detail gives buyers a useful mounting measurement, while named brands such as TaoTao, BMS and Roketa help narrow the application.

The listing targets rear-brake use on many 50cc–125cc Chinese dirt bikes and ATVs, naming brands that include TaoTao, BMS, Roketa, Xpro and Apollo. That application detail helps buyers distinguish it from a front control or a larger-displacement replacement. The 10 mm banjo bolt specification provides a concrete size to compare with the existing connection, and the aluminum construction is described as corrosion- and wear-resistant. Confirming the mounting-hole size remains central to its stated fit criteria.

Pros
  • Rear master cylinder application is explicit
  • Targets many 50cc–125cc Chinese ATVs and dirt bikes
  • 10 mm banjo bolt size is specified
  • Aluminum construction is described as corrosion-resistant
Cons
  • The stated engine-size range ends at 125cc.

Skip it if you need a front cylinder or an application above 125cc; the listing targets rear brakes for smaller machines.

Owners of listed small Chinese-brand ATVs or dirt bikes needing a rear master cylinder are the intended buyers. Compare the 10 mm banjo and mounting-hole dimensions, and keep the 125cc application limit in mind.

Full product details
BrandSlother
Item Weight‎7.4 ounces
Manufacturer‎Slother
Part Number‎MC002
Dimensions‎7.48 x 2.36 x 0.94 inches

Listed on Amazon as: Rear Brake Master Cylinder Coolster for 50cc 70cc 90cc 110cc 125cc ATV Chinese Dirt Bike Quad Taotao Baja BMS Roketa Apollo Sunl Xpro Pitster Piranha NSTKazuma

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Avoiding a fitment mismatch

A cylinder can appear to fit the handlebar yet still mismatch the ATV’s brake line, mirror mount, or side-specific controls. These listings illustrate why model-family names alone are not enough: the JAVIK Honda cylinder specifies a 14.3 mm bore and M10×1.25 mirror hole and banjo bolt, while the Saihisday Yamaha listing gives a 1.4 cm bore and 10×1.25 mm banjo bolt. Those values are close in how they are written, but that does not establish interchangeability.

The VRWEARE universal unit adds a 12.7 mm bore and a mirror hole, while SOLLON describes a left-side cylinder with an 8 mm mirror hole. Before ordering, compare the existing unit’s side, hydraulic connection, bore, and mounting details with the listing, then verify the exact ATV model and year.

Do not rely on a shared 7/8-inch handlebar dimension as proof of hydraulic compatibility.

Why brake position matters

Front and rear master cylinders are not interchangeable just because both operate hydraulic brakes. Most products here are described as front or handlebar-mounted replacements, while the Slother listing specifically identifies a rear cylinder for small Chinese ATVs and dirt bikes. The OLIFANT listing calls out a front-right unit, and the HIAORS and SOLLON products identify left-hand cylinders.

These distinctions matter when matching controls, line routing, and mounting points. A second trap is assuming that a broad capacity range guarantees fit: HIAORS and SOLLON mention engines from 50cc to 250cc, but still describe a particular left-side style and mounting details.

Match the position and side of your original part first, then check the specific model-year fitment and connection sizes. If the listing leaves a key dimension unclear, confirm it with the seller or a qualified mechanic before installation.

How to Choose an ATV Brake Master Cylinder

Exact ATV fitment

Start by matching the make, model, and year rather than choosing by appearance. The M MATI Honda cylinder lists several TRX and ATC families; JAVIK gives overlapping Honda applications, while Saihisday names Yamaha Banshee, Big Bear, Grizzly, Kodiak, and other models. M MATI’s Arctic Cat option instead lists 250, 300, 375, 400, 500, and Bearcat 454 applications.

HIAORS and SOLLON cover broad Chinese ATV and pit-bike ranges from 50cc to 250cc, but broad engine-size coverage is not a substitute for confirming the machine’s model. A model-specific replacement suits owners who can match the listed application; a broad-fit option suits buyers only when their exact machine and hardware are verified.

Position and control side

Choose the same brake position and control side as the part you are replacing. The OLIFANT cylinder is identified as front-right, HIAORS and SOLLON are left-hand, and Slother is specifically a rear cylinder. VRWEARE is a right-hand universal-style assembly, while Poweka is described as a left hydraulic master cylinder.

These differences can make an otherwise similar-looking part unsuitable. Buyers replacing a clearly identified front-right or left-hand unit should favor listings that state that position directly.

Choose a rear-specific option only when replacing the rear master cylinder on a compatible small Chinese ATV or dirt bike. Check the original mounting arrangement and brake-line routing before purchase; the product titles alone may not establish that an assembly matches your exact controls.

Bore and connection dimensions

Compare the bore and hydraulic connection details when the listing provides them. JAVIK specifies a 14.3 mm piston bore and M10×1.25 banjo bolt; Saihisday lists a 1.4 cm bore and 10×1.25 mm banjo bolt; VRWEARE specifies a 12.7 mm bore and 10×1.25 mm banjo bolt. OLIFANT lists a 14 mm bore and 10×1.25 mm banjo bolt.

SOLLON also gives a 10×1.25 mm banjo bolt, while its handlebar size is 7/8 inch. Riders replacing a cylinder with known dimensions should prioritize a listing that matches those measurements.

If the original bore or connection is unknown, verify it before ordering instead of treating similar thread descriptions or handlebar diameters as proof of a correct hydraulic match.

Which ATV Brake Master Cylinder Should You Choose?

Choose the M MATI Honda Front Cylinder if your ATV appears in its listed TRX or ATC fitment and you want the broadest Honda application coverage in this selection. For a Honda replacement where explicit hydraulic dimensions help with cross-checking, the JAVIK Honda Front Cylinder lists a 14.3 mm bore and M10×1.25 connections. Yamaha owners should start with the Saihisday Yamaha Front Cylinder, while Arctic Cat owners should check the M MATI Arctic Cat Cylinder’s model list.

The OLIFANT Honda Front Cylinder is another model-specific option for listed Foreman, Rancher, and Rubicon applications. For small Chinese ATVs, compare the left-hand HIAORS Chinese ATV Cylinder or SOLLON Left Cylinder against your original.

Choose Slother Rear Cylinder only for a matching rear-brake application; universal-style Poweka and VRWEARE options require careful dimension checks.

Frequently Asked Questions

How can I confirm whether a replacement master cylinder will fit my ATV?

Check the exact ATV model, year, and brake position against the cylinder’s listed fitment before buying. Cross-check any replacement part numbers and, when available, hydraulic dimensions and connection details against your original. Do not assume a cylinder described as universal will fit without confirming those details.

What symptoms indicate an ATV brake master cylinder may be failing?

A soft or spongy brake lever, fluid leakage near the master cylinder, or a lever that does not build or hold pressure can indicate a problem. These symptoms can have other causes, too, so inspect the brake system and have it checked if you are unsure or braking feels unsafe.

Can I replace an ATV brake master cylinder myself, or should a mechanic do it?

A mechanically confident owner may be able to replace one, but the brake system must be assembled correctly and properly bled afterward. If you lack the right tools or experience, or cannot verify that the brakes work reliably, have a qualified mechanic do the work before riding.

Why does brake position matter when choosing a replacement?

Front and rear cylinders are not interchangeable by assumption. Match the replacement to the ATV’s brake position and the original setup; the listed options include front cylinders, a rear cylinder, and handlebar cylinders. Confirm the intended position in the product fitment information before ordering.

What should I compare when a listing gives hydraulic dimensions?

Compare the stated bore and connection details with your original cylinder and the ATV’s requirements. The JAVIK Honda front cylinder, for example, lists a 14.3 mm bore and M10×1.25 connections. Treat those details as cross-checks, not proof of fit without matching the exact model and brake position.

Final Words

Start with the exact ATV model, year, and brake position rather than a broad universal label. For a listed Honda TRX or ATC, the M MATI Honda front cylinder is the strongest overall choice; consider JAVIK when its stated dimensions help you cross-check. Yamaha and Arctic Cat owners should begin with their model-specific options.

For Chinese ATVs or rear brakes, verify the listed application against the original before ordering.

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