A strong parts cleaner solvent removes oil, grease, grime, and buildup efficiently while matching your washer, parts, and cleanup method. This selection suits home garages, automotive maintenance, workshops, and industrial cleaning tasks, with options ranging from aerosol sprays to five-gallon washer fluids. Solvent-based formulas focus on heavy degreasing, while water-based and concentrated cleaners offer different handling and versatility.
Look closely at flash point, residue, evaporation, surface compatibility, capacity, and whether the product is designed for soaking, spraying, wiping, dipping, or recirculating systems. The right choice is not simply the strongest cleaner; it is the one that fits your equipment and the materials you clean most often.
The best parts cleaner solvent depends on the job: high-flashpoint washer fluids suit recurring oil and grease removal in parts washers, while aerosol sprays target quick cleaning of unpainted metal, brakes, and engine components. Concentrated water-based cleaners offer broader multipurpose use, and five-gallon containers fit frequent workshop cleaning. Prioritize stated compatibility with metals, plastics, or painted surfaces, plus residue, odor, evaporation, and application method.
Always follow the product label and safety guidance.
Parts Cleaner Solvent Comparison
| Image | Product | Buy |
|---|---|---|
Best Pick 1 ![]() | B’laster Parts Washer – Parts Cleaner Solvent – High Flashpoint Formula Cleans Oil, Grease & Grime, No Residue, Works on Metals, Most Plastics & Painted Surfaces – 5‐Gallon Best for: High flashpoint cleaning Brand: Blaster | Item Form: Liquid | View on Amazon |
Best Pick 2 ![]() | B'laster 128-PWS Industrial Strength Parts Washer Solvent Best for: Industrial strength solvent Brand: Blaster | Included Components: Unit^Instruction Guide | View on Amazon |
Best Pick 3 ![]() | CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray – 18 oz Best for: Heavy duty spray degreaser Brand: CRC | Included Components: CRC® Parts Cleaner & Degreaser – Pro Series, 18 OZ | View on Amazon |
Best Pick 4 ![]() | Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle Best for: Concentrated heavy duty cleaner Brand: Simple Green | Compatible Refills: simple_green_pro_hd_heavy_duty_cleaner | View on Amazon |
Best Pick 5 ![]() | Oil Eater Original 1 Gallon Cleaner, Degreaser – Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength Best for: Dissolve grease and oil Brand: Oil Eater | Included Components: Unit^Instruction Guide | View on Amazon |
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 Blaster, CRC, Simple Green, Oil Eater, Zep, and Gumout.
The shortlist includes products such as Blaster B’laster Parts Washer – Parts Cleaner Solvent – High Flashpoint Formula Cleans Oil, CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray, and Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle. 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 Parts Cleaner Solvent
1. B’laster Parts Washer – Parts Cleaner Solvent – High Flashpoint Formula Cleans Oil, Grease & Grime, No Residue, Works on Metals, Most Plastics & Painted Surfaces – 5‐Gallon

Best for: Heavy-duty workshop cleaning.
This 5-gallon parts washer solvent offers a high flashpoint formula that effectively breaks down tough oil, grease, and grime. Its reliable cleaning power is designed to perform better than ordinary mineral spirits, making parts cleaning less effort and saving time.
The Blaster Parts Washer Solvent's concentrated liquid form in a 5-gallon size is ideal for extensive cleaning tasks. It excels at removing stubborn oil, grease, and grime, making it particularly useful for preparing parts before painting or reassembly. This formula works on metals, most plastics, and painted surfaces, ensuring versatility for various components.
Product Details
| Brand | Blaster |
|---|---|
| Item Form | Liquid |
| Item Volume | 5 gallons |
| Manufacturer | B'laster |
| Material Features | Cruelty Free |
| Model Number | 5-PWS |
| Size | 5 Gallon |
Additional Product Information
| Special Features | Concentrated |
|---|---|
| Additional Information | Important information |
Pros
- Breaks down tough oil, grease, and grime quickly
- Works on metals, most plastics, and painted surfaces
- High flashpoint formula reduces hazards
- Leaves no residue after cleaning
Cons
- Item form is liquid, requiring containment
Ideal for mechanics and DIYers needing a robust, high-flashpoint solvent for extensive parts cleaning and preparation in a workshop setting.
2. B’laster 128-PWS Industrial Strength Parts Washer Solvent

Best for: Industrial parts washing.
This industrial-strength parts washer solvent boasts a high flashpoint of 145°F, ensuring safer operation. It is formulated to outperform standard mineral spirit solvents, quickly cutting through motor oils and grease.
The B'laster 128-PWS, a 1-gallon industrial strength parts washer solvent, is designed to be residue-free, leaving parts perfectly clean. Its high flashpoint formula and ability to cut through cutting oil, motor oils, and grease make it suitable for all metals, most plastics, and painted surfaces, streamlining maintenance and repair workflows.
Product Details
| Brand | Blaster |
|---|---|
| Included Components | Unit^Instruction Guide |
| Item Form | Liquid |
| Item Volume | 1 gallons |
| Item Weight | 7 pounds |
| Manufacturer | B'laster |
| Material Feature | Residue Free |
Additional Product Information
| Material Features | Residue Free |
|---|---|
| Model Number | 128-PWS |
| Size | 128 Fl Oz (Pack of 1) |
| Special Features | Residue Free |
| Warranty Description | 1 year manufacturer |
Pros
- Cuts through cutting oil, motor oils, and grease
- Leaves parts residue-free
- High flashpoint formula (145°F)
- Safe for use on all metals, most plastics, and painted surfaces
Cons
- Item weight is 7 pounds for a 1-gallon container
Best for industrial settings requiring a powerful, residue-free solvent that is safe for diverse materials and offers enhanced safety with its high flashpoint.
3. CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray – 18 oz

Best for: Heavy-duty degreasing spray.
This 18 oz CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray offers a residue-free finish. Its GMO-free formulation is designed for tough cleaning tasks in professional and industrial applications.
The CRC Pro Series Heavy Duty Parts Cleaner and Degreaser comes in an 18 fl oz spray can, making it convenient for targeted application. Its residue-free special feature ensures a clean finish on parts, while its heavy-duty formulation tackles grease and grime effectively. This product is suitable for various maintenance and cleaning needs.
Product Details
| Brand | CRC |
|---|---|
| Included Components | CRC® Parts Cleaner & Degreaser – Pro Series, 18 OZ |
| Item Form | Liquid |
| Item Volume | 18 fluid ounces |
| Item Weight | 16 ounces |
| Manufacturer | CRC INDUSTRIES INC |
| Material Features | Genetically Modified Organism (GMO) Free |
Additional Product Information
| Model Number | 1751863 |
|---|---|
| Size | 18 Fl Oz (Pack of 1) |
| Special Features | Residue Free |
| Warranty Description | Warranty |
| Additional Information | Important information Ingredients CRC® Parts Cleaner & Degreaser – Pro Series, 18 OZ |
Pros
- Residue-free formula
- Heavy-duty cleaning and degreasing power
- Convenient 18 fl oz spray can
- GMO-free material feature
Cons
- Item volume is 18 fluid ounces, suitable for smaller jobs
Ideal for users needing a quick, residue-free spray cleaner for targeted degreasing on automotive or industrial parts, where a smaller, manageable can is preferred.
4. Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle

Best for: Multi-purpose heavy-duty cleaner.
Simple Green Pro HD is a professional-grade, non-corrosive cleaner concentrate designed for multi-purpose contractor applications. It quickly eliminates tough grease and grime, making it safe for various surfaces.
This 1-gallon bottle of Simple Green Pro HD Heavy Duty Cleaner Concentrate is a biodegradable and concentrated liquid. It's developed for professional applications including parts washing and ultrasonic cleaning, effectively eliminating tough grease and grime. Its multi-purpose nature makes it suitable for industrial equipment, automotive parts, and more.
Product Details
| Brand | Simple Green |
|---|---|
| Compatible Refills | simple_green_pro_hd_heavy_duty_cleaner |
| Included Components | Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle |
| Item Form | Liquid |
| Item Volume | 1 gallons |
| Item Weight | 8 pounds |
| Manufacturer | Simple Green Industrial – Geneva |
Additional Product Information
| Material Feature | Biodegradable |
|---|---|
| Material Features | Biodegradable |
| Model Number | 2110000413421 |
| Size | 128 Fl Oz (Pack of 1) |
| Special Features | Concentrated |
Pros
- Biodegradable material feature
- Concentrated formula for effectiveness
- Non-corrosive and safe on metal surfaces
- Developed for multi-purpose contractor applications
Cons
- Requires dilution as it is a concentrate
Suitable for contractors and professionals seeking a versatile, biodegradable, and concentrated cleaner for a wide range of heavy-duty cleaning tasks, including parts washing.
5. Oil Eater Original 1 Gallon Cleaner, Degreaser – Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength

Best for: Food service and general degreasing.
Oil Eater Original is a USDA-approved cleaner and degreaser that dissolves grease, oil, and heavy-duty stains. Its biodegradable and noncorrosive formula makes it safe for use at food service facilities.
This 1-gallon bottle of Oil Eater Original Cleaner and Degreaser is ultra-concentrated and biodegradable, featuring a noncorrosive formula. It's USDA approved for use in food service facilities (A1, A4, A8) and is effective for cleaning parts, tools, engines, and concrete driveways, offering professional strength for diverse applications.
Product Details
| Brand | Oil Eater |
|---|---|
| Included Components | Unit^Instruction Guide |
| Item Form | Liquid |
| Item Volume | 1 gallons |
| Item Weight | 8.5 pounds |
| Manufacturer | Kafko International, LTD |
| Material Features | Biodegradable |
Additional Product Information
| Free From | Noncorrosive, Biodegradable Formula |
|---|---|
| Model Number | AOD1G35437 |
| Size | 128 Fl Oz (Pack of 1) |
| Special Features | Concentrated, Non Abrasive |
| Warranty Description | 1 year manufacturer |
Pros
- USDA Approved for food service facilities
- Biodegradable and noncorrosive formula
- Ultra-concentrated for versatility
- Dissolves grease, oil, and heavy-duty stains
Cons
- Requires spot testing on surfaces before full use
Excellent for users in food service or those needing a powerful, biodegradable, and non-corrosive degreaser for parts, tools, and various surfaces, including concrete.
6. Zep Dyna 143 Parts Washer Solvent – 5 Gallon (1 Bucket) 36635 – Designed for use in Part Washes

Best for: Low-odor parts washer solvent.
Zep Dyna 143 Parts Washer Solvent is a highly-refined, odorless solvent designed for use in part washes. Its low evaporation rate and higher flash point (143°F) reduce flammability hazards and employee exposure.
This 5-gallon blend of quality, odorless solvents is specifically designed for Zep Parts Washers. It quickly dissolves and flushes away grease and dirt, and may be used with a brush or as a dip. Its low evaporation rate and higher flash point compared to mineral spirits enhance shop safety and minimize solvent loss.
Product Details
| Brand | Zep |
|---|---|
| Item Form | Liquid |
| Item Weight | 35.3 pounds |
| Manufacturer | Zep |
| Material Features | Recycled |
| Size | 128 Fl Oz (Pack of 5) |
| Additional Information | Important information |
Pros
- Highly-refined and odorless solvents
- Low evaporation rate and vapor pressure
- Higher flash point (143°F) reduces flammability
- Designed for use in part washes
Cons
- Item weight is 35.3 pounds for a 5-gallon bucket
Ideal for workshops and facilities using parts washers, offering a safer, low-odor alternative to mineral spirits with effective grease and dirt removal.
7. Oil Eater Parts Washer Fluid, Water-Based Heavy Duty pH Neutral, Smart Microbe Safe Parts Cleaner Systems, 5 Gallons

Best for: Water-based microbial parts cleaner.
This 5-gallon Oil Eater Parts Washer Fluid is a heavy-duty, pH-neutral, water-based cleaner. It is safe for use in microbial smart washers and most parts washer systems, effectively removing oil, grease, grime, and dirt.
The Oil Eater Pro Strength Parts Washing Fluid is a 5-gallon, pH-neutral, and unscented liquid cleaner. Its water-based formula is non-toxic and bleach-free, making it safe for microbial systems and various parts washer units. It's excellent for parts cleaning, tool cleaning, and heated cleaning applications, removing tough grime.
Product Details
| Brand | Oil Eater |
|---|---|
| Item Form | Liquid |
| Manufacturer | Oil Eater |
| Material Feature | Non-Toxic, Unscented |
| Material Features | Non-Toxic, Unscented |
| Free From | Bleach Free, Dye Free |
| Model Number | AOD5G28801 |
Additional Product Information
| Size | 640 Fl Oz (Pack of 1) |
|---|---|
| Special Features | All Purpose, Low Odor, Non Abrasive, PH Neutral, Streak Free |
Pros
- Water-based and pH neutral
- Safe for microbial smart washers
- Non-toxic and unscented
- Removes oil, grease, grime, and dirt
Cons
- Item volume is 640 Fl Oz, a large quantity
Best for users with microbial smart washers or those preferring a water-based, low-odor, and non-toxic cleaner for general parts and tool cleaning tasks.
8. CRC Quick Clean Safety Solvent And Degreaser 03180 – 19 WT OZ, Clear, Aerosol Cleaner – Industrial Cleaners And Degreasers

Best for: Aerosol degreaser for equipment.
CRC Quick Clean Safety Solvent and Degreaser is an effective, heavy-duty aerosol cleaner with a chlorinated base. It removes contaminants, oil, grime, sludge, grease, and tar from industrial and electrical equipment.
This 19 oz can of CRC Quick Clean Safety Solvent and Degreaser is an unscented spray designed for industrial and electrical equipment. Its formula effectively removes dust, dirt, grease, oil, and contaminants from motors, air tools, brakes, and machinery. The aerosol spray provides convenient application for targeted cleaning needs.
Product Details
| Brand | CRC |
|---|---|
| Container Type | Can |
| Included Components | Unit^Instruction Guide |
| Item Form | Spray |
| Item Volume | 5 gallons |
| Item Weight | 16 ounces |
| Manufacturer | CRC Industries |
Additional Product Information
| Material Feature | Unscented |
|---|---|
| Material Features | Unscented |
| Model Number | 3180 |
| Size | 19 Ounce (Pack of 1) |
| Special Features | Residue Free |
| Additional Information | Important information Safety Information safety_warning Ingredients Degreaser Directions Not_Applicable |
Pros
- Effective heavy-duty degreaser
- Removes dust, dirt, grease, oil, and contaminants
- Unscented material feature
- Convenient aerosol spray format
Cons
- Container type is a can, not suitable for immersion
Ideal for maintenance professionals needing a quick-acting, heavy-duty aerosol degreaser to clean motors, tools, and machinery parts where targeted spray application is required.
9. Gumout 540001 Regane Parts Cleaner and Degreaser, 15 oz.

Best for: Carburetor and brake cleaner spray.
Gumout Regane Parts Cleaner and Degreaser is a powerful spray that cleans and degreases unpainted metal parts, carburetors, and brake components. Its fast-drying formula penetrates stubborn gum, varnish, and sludge.
This 15 oz spray of Gumout Regane Parts Cleaner and Degreaser is formulated to clean and degrease unpainted metal parts, including carburetors, throttle bodies, brake drums, rotors, and calipers. Its powerful jet spray action effectively removes brake fluid, grease, and dirt, ensuring smoother braking performance and engine operation.
Product Details
| Brand | Gumout |
|---|---|
| Included Components | Parts Cleaner |
| Item Form | Spray |
| Item Volume | 15 fluid ounces |
| Item Weight | 15.2 ounces |
| Manufacturer | Gumout |
| Material Features | Clean |
Additional Product Information
| Free From | No_Material_Type_Free |
|---|---|
| Model Number | 540001 |
| Recommended Uses | Fleet and plant maintenance. |
| Size | 15 Ounce (Pack of 1) |
| Special Features | Degreaser |
| Additional Information | Important information Ingredients see label |
Pros
- Cleans and degreases unpainted metal parts
- Leaves brakes clean for better performance
- Powerful jet spray
- Fast drying formula
Cons
- Contains no CFC's or chlorinated solvents, which some users may prefer for specific applications
Perfect for automotive technicians and DIYers needing a fast-drying spray to clean critical unpainted metal parts like carburetors and brake components for optimal performance.
10. R19835 PARTS WASHER SOLVENT 5 GAL/PAIL

Best for: Citrus-fortified parts washer solvent.
This 5-gallon Zep Professional Parts Washer Solvent with Citrus is formulated to effectively remove tough soils without a strong solvent smell. The citrus fortification adds cleaning power and provides a pleasant fragrance.
Ready to use in solvent-based parts washer systems, this 5-gallon liquid solvent can also be applied by spraying, wiping, or dipping. It effectively removes all soils, including tough buildup, oil, and grease from metal surfaces, ensuring optimal machinery performance. Its concentrated formula is designed for industrial and commercial applications.
Product Details
| Brand | Zep |
|---|---|
| Item Form | Liquid |
| Item Volume | 5 gallons |
| Item Weight | 36.4 pounds |
| Manufacturer | Amrep |
| Model Number | 1041596 |
| Size | 640 Fl Oz (Pack of 1) |
Additional Product Information
| Special Features | Concentrated |
|---|
Pros
- Effective soil removal
- Citrus fortification adds cleaning power
- Pleasant fragrance, low odor
- Suitable for soaking, spraying, or wiping
Cons
- Item weight is 36.4 pounds for a 5-gallon pail
Ideal for industrial and commercial settings seeking an effective, low-odor parts washer solvent with added citrus cleaning power, suitable for various application methods.
What Buyers Often Overlook
Capacity and equipment fit
Five-gallon parts washer fluids are the practical fit for recurring shop use, especially when a washer or recirculating system is already part of the workflow. The selection includes five-gallon formulas from B’laster, Zep, and Oil Eater, while one-gallon options suit smaller systems or less frequent replenishment. Aerosol cans from CRC and Gumout are better matched to targeted cleaning because they apply directly to components without requiring a tank.
Check the intended equipment before choosing: Zep Dyna 143 is specifically described for compatible Zep parts washers, while Oil Eater’s water-based fluid is designed for microbial-smart washers and most parts washer systems. A cold-solvent product such as Zep’s five-gallon citrus formula is intended for cold solvent tanks and can also be sprayed, wiped, or used as a dip.
Capacity should follow both workload and system compatibility, not container size alone.
The Key Product Trade-Off
Surface compatibility and formula trade-offs
Surface compatibility is a key divider: some high-flashpoint washer solvents state suitability for all metals, most plastics, and painted surfaces, while Gumout specifically targets unpainted metal parts and automotive components. CRC Quick Clean is aimed at industrial and electrical equipment, machinery, bearings, and related parts, so its application is more specialized than a general multipurpose cleaner. Water-based choices such as Oil Eater Parts Washer Fluid and concentrated cleaners from Simple Green and Oil Eater emphasize broad cleaning, pH neutrality or biodegradability, and noncorrosive handling claims in the supplied data.
Solvent formulas can prioritize fast oil and grease removal, residue-free results, low evaporation, or a higher flash point. The failure mode is using a product outside its stated material or equipment range: test an inconspicuous area where directed, and consult the label for plastics, paint, seals, and electrical components.
Best Parts Cleaner Solvent: 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 a five-gallon high-flashpoint solvent when you regularly clean greasy parts in a compatible washer and want a larger working supply. Select a one-gallon washer solvent for a smaller setup or moderate replenishment needs. Aerosol CRC or Gumout products fit targeted automotive and mechanical work when you need direct application, fast drying, or cleaning of specified unpainted metal components.
Pick a water-based Oil Eater fluid for a pH-neutral, low-odor option designed for microbial-smart and most parts washer systems. Simple Green Pro HD or Oil Eater Original suits broader degreasing across equipment and washable surfaces.
For cold solvent tanks, consider the Zep citrus formula, while checking every label for material and equipment compatibility.
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
What is the primary use of parts cleaner solvents?
Parts cleaner solvents are primarily used to remove grease, oil, grime, and other stubborn contaminants from mechanical parts. They are essential for automotive repair, industrial maintenance, and DIY projects where thorough cleaning of components is necessary before assembly or further work.
Are there different types of parts cleaner solvents?
Yes, parts cleaner solvents come in various formulations, including solvent-based, water-based, and aerosol sprays. Solvent-based options are potent for heavy grease, while water-based cleaners are often more environmentally friendly. Aerosols offer convenient application for spot cleaning.
What safety precautions should be taken when using parts cleaner solvents?
Always use parts cleaner solvents in a well-ventilated area, wear appropriate personal protective equipment like gloves and eye protection, and avoid open flames or sparks due to flammability. Read and follow the manufacturer’s safety instructions carefully for each product.
Can parts cleaner solvents be used on all materials?
Most parts cleaner solvents are safe for metals, but compatibility with plastics and painted surfaces can vary. Always check the product label for specific material compatibility to avoid damage. Testing on an inconspicuous area is recommended for sensitive materials.
How should used parts cleaner solvent be disposed of?
Used parts cleaner solvent is often considered hazardous waste and should not be poured down drains or into the environment. Check with your local waste disposal or recycling center for proper disposal guidelines and authorized collection points.
Final Words
Selecting the right parts cleaner solvent depends on your specific needs, from heavy-duty industrial applications to lighter DIY tasks. Consider the type of contaminants, the materials being cleaned, and safety requirements. For general use, a high-flashpoint formula offers a good balance of effectiveness and safety.


