A strong semi truck shock absorber delivers compatible mounting, useful dimensions, and durable ride control for drivers, fleets, and maintenance teams replacing worn suspension parts. This roundup covers 10 options for cab, front, rear, and commercial truck applications, with fitments spanning Freightliner, Peterbilt, Mack, International, Volvo, Kenworth, and other vehicles. The most important distinction is not simply heavy-duty labeling: each shock must match the truck, position, mounting hardware, and required extended and collapsed lengths.
Pack size also matters when replacing shocks across an axle or several positions. Options include basic replacements, cab shocks, heavy-duty designs, and Gabriel GasSLX adjustable shocks with three settings.
Use the reference numbers and vehicle lists as starting points, then confirm the exact application before ordering.
The best semi truck shock absorbers in this selection are the ones that match your truck and mounting position first, then provide the needed dimensions and pack quantity. Torque offers detailed length, stroke, bore, and load figures on several replacements. Mytee Products supplies two- and four-pack options for Peterbilt and International applications.
Gabriel adds adjustable GasSLX shocks with Firm, Regular, and Extra Firm settings, while ZANURA and A-Premium focus on Freightliner cab replacements. Verify the reference number, position, and fitment before purchase.
Semi Truck Shock Absorbers Compared
How We Compared These Products
We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from Torque, Generic, Gabriel, Mytee Products, ZANURA, and A-Premium.
The shortlist includes products such as Torque Heavy Duty Shock Absorber Replaces Gabriel 85066, Generic 2x Shock Absorber for Freightliner/Columbia Replaces 85724/16-15817-000, and Gabriel 89413 GasSLX Adjustable HD Front & Rear Shocks Fits Kenworth W990. Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.
Detailed Reviews: Best Semi Truck Shock Absorbers
1. Torque Heavy Duty Shock Absorber Replaces Gabriel 85066, Pack of 4
Best for: Mack & Volvo Truck Owners.
This Torque heavy-duty shock absorber offers a precise fit for Mack Anthem and various Volvo VN, VNL, VNM, and VNR models. With a 9.41" stroke and included dust tube, it's engineered for robust performance and protection against road debris.
Designed as a direct replacement for Gabriel 85066 and Monroe 65486, this shock absorber features a 1-5/8" bore and steel/aluminum alloy construction for durability. Its extended length of 24.63" and collapsed length of 15.22" ensure proper suspension travel. The recoil cutoff and dust tube contribute to longevity and consistent operation.
Product Details
| Brand | Torque |
|---|---|
| Compatible with Vehicle Type | Semi Trucks |
| Included Components | 1 |
| Item Weight | 4 pounds |
| Manufacturer | Torque |
| Part Number | 4 x TR85066 |
| Manufacturer Warranty Description | 1-Year Unlimited Mile Warranty |
Additional Product Information
| Material | Steel/Aluminum Alloy |
|---|---|
| Model Number | TR85066 |
| Style | Compression |
| Style Name | Compression |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov |
Pros
- Direct replacement for specific Gabriel and Monroe part numbers
- Robust steel/aluminum alloy construction
- Includes dust tube for added protection
- Engineered for Mack and Volvo trucks
Cons
- Proposition 65 warning applies
Ideal for owners of Mack Anthem and compatible Volvo trucks seeking a durable, direct-fit replacement shock absorber with a 1-year warranty.
2. 2x Shock Absorber for Freightliner/Columbia Replaces 85724/16-15817-000
Best for: Freightliner Commercial Truck Owners.
This 2-pack of heavy-duty shock absorbers provides a perfect fit replacement for Freightliner models, directly matching part numbers 85724 and 16-15817-000. Built with durable metal materials, they are designed to withstand the demanding conditions of commercial trucking.
These shocks feature a heavy-duty construction for long-lasting reliability, ensuring balanced performance for both front and rear suspension. The metal build is intended to handle the rigors of commercial trucking. This set includes two units for uniform shock absorption across the vehicle, contributing to a stable ride.
Product Details
| Brand | Generic |
|---|---|
| Compatible with Vehicle Type | Truck |
| Manufacturer | AGORA TRUCK PARTS |
| Part Number | AGO-85724–s |
| Manufacturer Warranty Description | 2 Year Manufacterer |
| Material | Metal |
| Model Number | AGO-85724–s |
Additional Product Information
| Style | Basic |
|---|---|
| Style Name | Basic |
Pros
- Direct replacement for Freightliner part numbers
- Heavy-duty construction for durability
- Includes a 2-pack for balanced suspension
- Designed for commercial trucking conditions
Cons
- Generic brand, specific material details not provided
Suitable for Freightliner truck owners needing a reliable, direct-fit replacement shock absorber set that offers balanced performance and durability for commercial use.
3. Gabriel 89413 GasSLX Adjustable HD Front & Rear Shocks Fits Kenworth W990; Isuzu NPR KS22; Peterbilt 379; Blue Bird Buses; Ford Motorhome Chassis; OEM# 02-02738 B71-6002 B71-6015
Best for: Customizable Ride Control Seekers.
The Gabriel GasSLX adjustable shock absorber offers three-position settings—Firm, Regular, and Extra Firm—for customized ride control on commercial fleet trucks and trailers. Its advanced design enhances stability and reduces sway, ensuring consistent performance under heavy loads.
Engineered for commercial vehicles like Kenworth W990 and Peterbilt 379, this heavy-duty shock features a corrosion-resistant finish and OE-style mounts for dependable service. The gas-charged design contributes to improved handling and a more stable ride, even in demanding road and weather conditions. It includes an accessory kit for installation.
Product Details
| Brand | Gabriel |
|---|---|
| Compatible with Vehicle Type | Bus, RV, Truck, Van |
| Included Components | 1 Shock & Accessory Kit |
| Item Weight | 7.2 pounds |
| Manufacturer | Gabriel |
| Part Number | 89413 |
| Manufacturer Warranty Description | Limited Warranty |
Additional Product Information
| Material | Metal |
|---|---|
| Model Number | 89413 |
| Style | Heavy Duty Shocks Suspension |
| Style Name | Heavy Duty Shocks Suspension |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Pros
- Three-position adjustable ride control
- Enhances stability and reduces sway
- Durable construction with corrosion-resistant finish
- Suitable for trucks, buses, and RVs
Cons
- Proposition 65 warning applies
Best for commercial fleet operators and RV owners who require adjustable ride settings for optimal stability and performance across various load conditions.
4. Gabriel 83127 FleetLine HD Truck Front/Rear Shock Absorbers fits Mack; Blue Bird Buses; Freightliner; Holiday Rambler; SAF Holland, Trailmobile; OEM# 78530771, 90044794, 90044915, 1398980
Best for: Mack & Freightliner Fleet Operators.
Gabriel's FleetLine HD shock absorbers are designed for commercial fleet trucks and trailers, offering reliable ride control. They are compatible with a wide range of Mack and Freightliner models, as well as various buses and motor homes, ensuring broad application.
These heavy-duty shocks are built with durable metal materials to withstand demanding use. Their design aims to provide consistent performance for commercial applications, supporting the suspension systems of trucks and trailers. The product is backed by Gabriel's long history in ride control technology since 1907.
Product Details
| Brand | Gabriel |
|---|---|
| Compatible with Vehicle Type | Bus, RV, Truck |
| Included Components | 1 Shock |
| Item Weight | 5.5 pounds |
| Manufacturer | Gabriel |
| Part Number | 83127 |
| Manufacturer Warranty Description | Limited Warranty |
Additional Product Information
| Material | Metal |
|---|---|
| Model Number | 83127 |
| Style | Commercial Fleet Truck & Trailer Suspension |
| Style Name | Commercial Fleet Truck & Trailer Suspension |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Pros
- Wide compatibility with Mack and Freightliner
- Designed for commercial fleet trucks and trailers
- Durable metal construction
- Backed by over 100 years of expertise
Cons
- Proposition 65 warning applies
An excellent choice for owners of compatible Mack, Freightliner, and other commercial vehicles seeking a dependable, heavy-duty shock absorber from a reputable brand.
5. 2 Pack Heavy Duty Shock Absorber for Semi Trucks – Compatible with Peterbilt 367, 377, 379 Series Replaces 83008, AMS66145, 29-02455, 654782
Best for: Peterbilt Truck Owners (2-Pack).
This 2-pack of heavy-duty shock absorbers from Mytee Products is designed as a direct replacement for Peterbilt 367, 377, and 379 series trucks. With an extended length of 13" and a collapsed length of 10-1/8", they ensure proper suspension function.
Featuring rebound and compression ratings of 699 lbs and 307 lbs respectively, these shocks are built with durable metal for demanding use. They are compatible with numerous OEM part numbers, simplifying the replacement process. Mytee Products offers industry-grade equipment trusted for performance and reliability.
Product Details
| Brand | Mytee Products |
|---|---|
| Compatible with Vehicle Type | Truck |
| Item Weight | 9 pounds |
| Manufacturer | Mytee Products |
| Part Number | MPN83008x2-PK |
| Manufacturer Warranty Description | 18 Month Warranty |
| Material | Metal |
Additional Product Information
| Model Number | MPN83008x2-PK |
|---|
Pros
- Direct replacement for Peterbilt 367, 377, 379
- Durable metal construction
- Specific extended and collapsed lengths provided
- Includes 2 shocks for balanced replacement
Cons
- Upper mount type (ES136) specified, but not detailed
Ideal for Peterbilt 367, 377, and 379 owners looking for a reliable, direct-fit 2-pack heavy-duty shock absorber set with specific dimensions and performance ratings.
6. 4 Pk 85931 Heavy Duty Shock Absorber Compatible with International LoneStar, ProStar, 9200, 9200i, 9300, 9300i, 9400, 9400i, 9900, 9900i, 9900ix Semi Trucks – Replaces 4050340C2
Best for: International Semi-Truck Owners (4-Pack).
This 4-pack of Mytee Products heavy-duty shock absorbers is engineered for International LoneStar, ProStar, and various 9000/9300/9400 series semi-trucks. They serve as a direct replacement for numerous OEM part numbers, including 4050340C2.
Constructed from durable metal, these shocks feature an eye ring and bushing with a sleeve mount for secure installation. The pack of four ensures comprehensive coverage for the vehicle's suspension system. Mytee Products is known for providing industry-grade equipment trusted for performance and reliability in demanding applications.
Product Details
| Brand | Mytee Products |
|---|---|
| Compatible with Vehicle Type | Truck |
| Item Weight | 29.5 pounds |
| Manufacturer | Mytee Products |
| Part Number | MPN85931x4-PK |
| Manufacturer Warranty Description | 18 Month Warranty |
| Material | Metal |
Additional Product Information
| Model Number | MPN85931x4-PK |
|---|
Pros
- Direct replacement for International semi-trucks
- Durable metal construction
- Includes 4 shocks for full coverage
- Eye ring & bushing with sleeve mount
Cons
- Specific dimensions not provided
A great option for owners of compatible International semi-trucks needing a bulk 4-pack of durable, direct-fit heavy-duty shock absorbers for consistent suspension performance.
7. 2 Pack 83038 Cab Shocks Fit for Freightliner Cascadia Century #18-41762-000
Best for: Freightliner Cascadia Cab Owners.
This 2-pack of ZANURA cab shock absorbers is specifically designed for Freightliner Cascadia, 108SD, 114SD, 122SD, Century Class, Columbia, Coronado, and M2 112 models. They are direct replacements for part numbers like 83038 and Monroe 66122.
Engineered to factory specifications, these metal cab shocks meet or exceed OEM standards for a perfect fit and reliable performance. With an extended length of 10.45 inches, they are built to provide effective damping for the cab suspension, ensuring a smoother ride experience for the driver.
Product Details
| Brand | ZANURA |
|---|---|
| Compatible with Vehicle Type | Truck |
| Included Components | Cab Shock Absorber |
| Item Weight | 6.3 pounds |
| Manufacturer | ZANURA |
| Part Number | 83038 |
| Material | Metal |
Additional Product Information
| Model Number | 231-13 |
|---|---|
| Style | Compression |
| Style Name | Compression |
Pros
- Direct replacement for Freightliner models
- Meets or exceeds OEM standards
- Designed for cab suspension
- Includes 2 shocks for driver/passenger side
Cons
- Specific compression/rebound ratings not listed
Ideal for Freightliner Cascadia and other compatible truck owners seeking a direct-fit, OEM-spec cab shock absorber set engineered for improved ride comfort.
8. Torque Heavy Duty Shock Absorber Replacement for 03-07423-2, 0306084
Best for: Peterbilt Truck Owners (2-Pack).
This Torque heavy-duty shock absorber is a direct replacement for numerous Peterbilt models, including the 357, 379, and 386 series. It features a 1-5/8" bore and a stud upper mount with bushing lower mounts for a 1" bolt.
With an extended length of 27.26" and a collapsed length of 17.4", this shock provides a substantial 9.86" stroke for effective damping. The heavy-duty design and durable construction are intended to withstand rigorous use. It is also listed as a replacement for Gabriel 85033.
Product Details
| Brand | Torque |
|---|---|
| Compatible with Vehicle Type | Truck |
| Manufacturer | Torque |
| Part Number | 2 x TR85033 |
| Manufacturer Warranty Description | 1-Year Unlimited Mile Warranty |
| Style | Heavy Duty |
| Style Name | Heavy Duty |
Additional Product Information
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov |
|---|
Pros
- Direct replacement for many Peterbilt models
- Significant stroke length of 9.86"
- Heavy-duty design for demanding use
- Specific upper and lower mount types detailed
Cons
- Proposition 65 warning applies
Recommended for Peterbilt owners with compatible models needing a heavy-duty shock absorber featuring a long stroke and robust construction for reliable performance.
9. A-Premium Cab Shock Absorber Compatible with Freightliner
Best for: Freightliner Cab Suspension Upgrade.
A-Premium's Cab Shock Absorber is compatible with a wide range of Freightliner trucks, including the 108SD, 114SD, Cascadia, and M2 112 models. It serves as a direct replacement for common part numbers like 83038 and 66122.
This shock absorber includes a dust shield for added protection and is designed for installation on the cab's left or right side. Engineered to factory specifications, it meets or exceeds OEM standards, ensuring a perfect fit and reliable operation for improved cab stability and ride quality.
Product Details
| Brand | A-Premium |
|---|---|
| Item Weight | 3.27 pounds |
| Item model number | APSA1429 |
| Manufacturer | PremiumpartsWhosale |
| Part Number | APSA1429 |
| Model | Cab Shock Absorber |
| Package Dimensions | 14.21 x 2.99 x 2.87 inches |
Pros
- Wide compatibility with Freightliner models
- Meets or exceeds OEM standards
- Includes dust shield for protection
- Designed for cab left or right installation
Cons
- Specific dimensions and performance ratings not provided
Suitable for Freightliner owners seeking a direct-fit, OEM-spec cab shock absorber designed to enhance ride comfort and stability with added dust protection.
10. 29-02455 66145 83008 Cab Shock Absorber 2 Pack for Peterbilt 379 386 389
Best for: Peterbilt 379/386/389 Cab Owners.
This 2-pack of ZANURA cab shock absorbers is designed for Peterbilt semi-trucks, specifically fitting models like the 357, 367, 375, 377, 378, and 379. They are direct replacements for numerous OEM part numbers, including 83008 and 66145.
Engineered to factory specifications and meeting or exceeding OEM standards, these painted metal shocks ensure a precise fit and reliable performance. They are intended for the cab suspension, contributing to a smoother and more stable driving experience by effectively damping vibrations and impacts.
Product Details
| Brand | ZANURA |
|---|---|
| Compatible with Vehicle Type | Truck |
| Included Components | Cab Shocks |
| Manufacturer | ZANURA |
| Part Number | 83008 |
| Material | Metal |
| Model Number | 83008 |
Additional Product Information
| Style | Painted |
|---|---|
| Style Name | Painted |
Pros
- Direct replacement for Peterbilt models
- Meets or exceeds OEM standards
- Designed for cab suspension
- Includes 2 shocks for balanced replacement
Cons
- Specific dimensions not provided
Ideal for Peterbilt 379, 386, and 389 owners needing a direct-fit, OEM-spec 2-pack of cab shock absorbers engineered for enhanced ride comfort and stability.
What Buyers Often Overlook
Sizing and mounting details that determine fit
The correct shock must match both its operating dimensions and its mounting arrangement. Torque lists extended and collapsed lengths, stroke, bore, and mount details for its replacements: the Mack and Volvo-compatible TR85066 has a 24.63-inch extended length, 15.22-inch collapsed length, 9.41-inch stroke, and 1-5/8-inch bore, while the Peterbilt-compatible TR85033 uses a stud upper mount and bushings for a 1-inch mounting bolt. Mytee Products lists an ES136 upper mount for its Peterbilt 83008 replacement and ES177 upper mounting with an ES161 lower eye-ring and bushing arrangement for its International 85931 pack.
These details show why a general heavy-duty label is insufficient. Compare the old shock’s dimensions, mount style, and reference number with the listing before ordering, especially when replacing cab shocks rather than axle suspension shocks.
The Key Product Trade-Off
Pack capacity and application coverage
Pack size should follow the repair scope, while fitment coverage should follow the exact truck and position. Torque’s TR85066 is sold as a four-pack and covers listed Mack and Volvo applications, making it relevant when multiple matching shocks are due. Mytee Products offers a two-pack for Peterbilt 367, 377, and 379 series trucks and a four-pack for several International LoneStar, ProStar, 9200, 9300, 9400, and 9900 applications.
Freightliner cab replacements are offered in two-packs by ZANURA, while A-Premium lists a cab shock for left or right installation across several Freightliner families. Gabriel’s products are listed as individual shocks, including the adjustable GasSLX 89413 and FleetLine 83127.
A larger pack can simplify same-position replacement, but only when every included unit matches the intended application.
Best Semi Truck Shock Absorbers: Buyer's Guide
Fit, Dimensions, and Compatibility
Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.
Capacity, Output, and Operating Format
Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.
Materials, Construction, and Care
Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.
Included Components and Setup Needs
Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.
Which Should You Choose?
Choose by vehicle and installation need first. For a Peterbilt 367, 377, or 379 application, compare the two-pack Mytee Products 83008 replacement with the ZANURA 83008 two-pack using the shared reference numbers and listed fitment. For International models covered by the 85931 references, the Mytee four-pack suits a broader multi-shock replacement.
Freightliner cab owners can consider the ZANURA or A-Premium options, both centered on cab-shock fitment, while the ZANURA listing supplies a broad reference-number list. Select Gabriel GasSLX 89413 when three-position Firm, Regular, and Extra Firm adjustment is useful and the listed vehicle application matches.
For Mack, Volvo, or Peterbilt replacements, Torque provides detailed dimensions and mounting information; confirm those measurements before ordering.
Quick Buying Checklist
- Confirm the complete dimensions against the available space.
- Verify model, accessory, connection, and appliance compatibility.
- Match capacity or output to the expected amount of use.
- Compare materials and care instructions with the maintenance routine.
- Check the included components before planning setup or first use.
- Confirm listed power, water, storage, or installation requirements where applicable.
Frequently Asked Questions
How do I know if my semi truck shocks need replacing?
Signs of worn semi truck shocks include excessive bouncing after hitting bumps, uneven tire wear, and a noticeable decrease in handling stability. If you hear clunking noises from the suspension or if the truck sways more than usual during turns, it’s likely time for replacement.
What is the primary function of semi truck shock absorbers?
Semi truck shock absorbers control the suspension’s spring movement, preventing excessive oscillation. They dissipate the energy absorbed by the springs, ensuring a smoother ride, maintaining tire contact with the road, and improving overall vehicle stability and control.
Are all semi truck shock absorbers interchangeable?
No, semi truck shock absorbers are not universally interchangeable. They are designed for specific truck makes, models, and suspension types. Using the wrong shocks can lead to poor performance, premature wear, and potential safety issues.
How often should semi truck shock absorbers be replaced?
The replacement interval for semi truck shock absorbers varies based on usage, load, and road conditions. A general guideline is every 50,000 to 100,000 miles, but regular inspections for leaks or damage are crucial for timely replacement.
Can I replace just one semi truck shock absorber?
It is strongly recommended to replace semi truck shock absorbers in pairs, one for each side of the axle. Replacing them individually can lead to uneven suspension performance, affecting handling, tire wear, and overall vehicle balance.
Final Words
Selecting the right semi truck shock absorbers ensures optimal performance and longevity for your vehicle. Consider the specific make and model of your truck, as well as whether you prioritize ride comfort, durability, or a balance of both. Always replace shocks in pairs for consistent handling.
