A strong parts cleaner solvent removes oil, grease, grime, carbon, or varnish with less scrubbing, making it useful for garages, workshops, maintenance areas, and rebuild preparation. The right choice depends on the cleaning system, part materials, container size, and whether you want a solvent-based or water-based formula. This roundup includes 10 options ranging from 18-ounce spray cleaner and 3/4-gallon immersion pails to 5-gallon washer fluids.
Several formulas are residue free, while others emphasize pH neutrality, low odor, biodegradability, or compatibility with microbial smart washers. Some are intended for cold solvent tanks, filtered parts washers, soaking, brushing, spraying, or wiping.
Match the product’s stated use and safety guidance to the task rather than choosing by container size alone.
The best parts cleaner solvent depends on your equipment and the type of buildup you need to remove. B’laster and Zep offer 5-gallon washer solvents with high flash points or cold-solvent applications for larger shop systems. Oil Eater and Simple Green provide water-based or concentrated options with pH-neutral, biodegradable, noncorrosive, or low-odor features.
Berryman’s immersion cleaner targets gum, varnish, sludge, carbon, oil, and grease, while CRC offers a compact spray format for focused cleaning.
Parts Cleaner Solvent Comparison
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, Oil Eater, CRC, Simple Green, Berryman, and Zep.
The shortlist includes products such as Blaster B’laster Parts Washer – Parts Cleaner Solvent – High Flashpoint Formula Cleans Oil, Oil Eater Parts Washer Fluid, and CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray. 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 reliably breaks down tough oil, grease, and grime on contact. It enables efficient cleaning of metal parts, most plastics, and painted surfaces, saving time during maintenance and rebuilds.
Its concentrated liquid form, with a 5-gallon volume, is designed to outperform ordinary mineral spirits, quickly tackling buildup that hinders repairs or prep work. The formula leaves no residue, making it ideal for preparing components before painting or reassembly, ensuring a clean surface for subsequent steps.
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
- High flashpoint formula
- Cleans oil, grease, and grime
- Works on metals, plastics, and painted surfaces
- Leaves no residue
Cons
- Item volume is 5 gallons, which may be too large for small workshops.
Ideal for mechanics and DIYers needing a robust solvent for extensive cleaning tasks. Ensure adequate ventilation and storage space for the 5-gallon container.
2. Oil Eater Parts Washer Fluid, Water-Based Heavy Duty pH Neutral, Smart Microbe Safe Parts Cleaner Systems, 5 Gallons

Best for: Water-based microbial washer use.
This water-based, pH-neutral parts washer fluid is safe for microbial smart washer systems and most parts washer setups. Its heavy-duty formula effectively removes oil, grease, grime, and dirt, enabling easier cleaning of parts and tools.
Boasting 3X more active ingredients than leading brands, this low-odor, non-toxic fluid is suitable for heated cleaning applications. It is trusted for over 30 years to clean various surfaces, including engines and tools, without leaving streaks, ensuring a thorough and safe cleaning process.
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
- Low odor and non-toxic
- Trusted for over 30 years
Cons
- Item volume is 640 Fl Oz (Pack of 1), which may require frequent replenishment for heavy use.
Perfect for users with microbial parts washers or those seeking a safer, water-based cleaning solution. Consider the 5-gallon size for frequent or large-scale cleaning needs.
3. B’laster 128-PWS Industrial Strength Parts Washer Solvent

Best for: Industrial parts cleaning.
This industrial-strength parts washer solvent features a high flashpoint formula of 145°F, designed to outperform standard mineral spirit solvents. It quickly cuts through cutting oil, motor oils, and grease, leaving parts residue-free.
The 1-gallon liquid is safe for use on all metals, most plastics, and painted surfaces, making it versatile for various components. Its residue-free characteristic is particularly beneficial for preparing parts before reassembly or finishing, ensuring a clean surface without additional wiping.
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
- Industrial strength formula
- High flashpoint (145°F)
- Residue-free cleaning
- Safe for metals, plastics, and painted surfaces
Cons
- Item volume is 1 gallon, which may be insufficient for large-scale or continuous industrial use.
Suitable for workshops and industrial settings requiring potent degreasing. Ensure compatibility with specific plastics and painted surfaces if unsure.
4. CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray – 18 oz

Best for: Targeted degreasing spray.
This 18 oz spray offers a heavy-duty parts cleaner and degreaser formulation designed for targeted application. It effectively removes grease and grime, providing a residue-free finish on components.
As a liquid spray, it allows for precise application directly onto soiled areas, making it convenient for quick cleanups or hard-to-reach spots. The GMO-free material feature indicates a specific formulation choice, and its residue-free nature aids in preparing parts for further work.
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
- Heavy-duty cleaning and degreasing
- Residue-free finish
- Convenient spray application
- GMO-free material feature
Cons
- Item volume is 18 fluid ounces, which is a limited quantity for extensive parts cleaning.
Best for users needing a convenient spray for spot cleaning or smaller parts. Not ideal for soaking large components or for high-volume cleaning tasks.
5. Oil Eater Original 1 Gallon Cleaner, Degreaser – Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength

Best for: Food service and general degreasing.
This 1-gallon cleaner and degreaser is USDA-approved for use in food service facilities, dissolving grease, oil, and heavy-duty stains. Its biodegradable and noncorrosive formula makes it a versatile option for various cleaning needs.
The ultra-concentrated liquid can be diluted for cleaning floors, walls, driveways, and automotive parts, including tools and wheels. Its non-abrasive nature ensures it is safe on washable surfaces, while its biodegradability offers an environmentally conscious cleaning choice for tough messes.
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
- Biodegradable formula
- Ultra-concentrated
- Non-corrosive and non-abrasive
Cons
- Requires dilution, which adds a step to the cleaning process.
An excellent choice for commercial kitchens, workshops, and general home use where tough stains and grease are present. Always spot test on inconspicuous areas before full application.
6. Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle

Best for: Professional multi-purpose cleaning.
Simple Green Pro HD is a professional-grade, non-corrosive cleaner concentrate designed for multi-purpose contractor applications. This 1-gallon bottle quickly eliminates tough grease and grime from various surfaces, including industrial equipment and vehicles.
Its biodegradable formula is safe on metal surfaces and suitable for floors, walls, commercial kitchens, and baths. The concentrated nature allows for dilution, making it effective for pressure washing, parts washing, and ultrasonic cleaning tasks, providing a versatile solution for heavy-duty cleaning.
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
- Professional grade and non-corrosive
- Biodegradable formula
- Safe on metal surfaces
- Concentrated for multiple uses
Cons
- Requires dilution, which adds a step to the cleaning process.
Ideal for contractors and professionals needing a versatile, heavy-duty cleaner. Ensure proper dilution ratios are followed for optimal performance and surface safety.
7. SMP13005 – Simple Green Industrial Cleaner and Degreaser

Best for: Industrial and general degreasing.
This 1-gallon industrial cleaner and degreaser provides a powerful, concentrated formula that is biodegradable and phosphate-free. It serves as a safer alternative to toxic cleaners, bleaches, and solvents for various applications.
The liquid is non-toxic, non-abrasive, and non-corrosive, making it suitable for a wide range of surfaces. It can be diluted with water for effective cleaning of tough messes, providing a low-odor solution for degreasing machinery, tools, and workshop areas.
Product Details
| Brand | Simple Green |
|---|---|
| Compatible Refills | simple_green_pro_hd_heavy_duty_cleaner |
| Included Components | 2710200613005 |
| Item Form | Liquid |
| Item Volume | 1 gallons |
| Item Weight | 3.5 kg |
| Manufacturer | Simple Green |
Additional Product Information
| Material Feature | Biodegradable |
|---|---|
| Material Features | Biodegradable |
| Free From | Phosphate Free |
| Model Number | SMP13005CT |
| Size | 128 Fl Oz (Pack of 1) |
| Special Features | Concentrated, Low Odor, Non Abrasive |
Pros
- Biodegradable and phosphate-free
- Non-toxic, non-abrasive, non-corrosive
- Concentrated formula
- Low odor
Cons
- Requires dilution, which adds a step to the cleaning process.
A great choice for industrial settings or users seeking a safer, environmentally friendly degreaser. Always use protective eyewear when splashing is possible.
8. Berryman 0996-ARM B-9 Chem Dip Parts Cleaner with Basket and Armlock, 3/4-Gallon Pail

Best for: Immersion cleaning with basket.
This 3/4-gallon pail contains a fast-acting immersion cleaner effective on gum, varnish, sludge, and hard carbon. It is safe for use on plastic, rubber, and most painted components, making it versatile for various parts.
The included basket and armlock facilitate easy handling of parts during the cleaning process. This VOC-compliant cleaner is compatible with most metals and alloys, removing tough residues without heat or agitation, simplifying the maintenance of metal components.
Product Details
| Brand | Berryman |
|---|---|
| Capacity | 3 quarts |
| Color | Black |
| Container Type | Pail |
| Handle Material | Metal,Plastic,Rubber |
| Included Components | 3/4-Gallon Pail |
| Dimensions | 6.75"L x 6.75"W x 7.75"H |
Additional Product Information
| Item Weight | 6 pounds |
|---|---|
| Manufacturer | Berryman Products |
| Part Number | 0996-Arm |
| Manufacturer Warranty Description | Not applicable. |
| Material | Metal |
| Model Number | 0996-ARM |
| Additional Information | Important information Safety Information WARNING: Eye and skin irritant. Keep out of the reach of children. |
Pros
- Fast-acting immersion cleaner
- Includes basket and armlock
- Safe for plastics, rubber, and painted surfaces
- VOC compliant in all 50 states
Cons
- Capacity is 3 quarts, which may be small for cleaning very large or numerous parts simultaneously.
Ideal for mechanics and hobbyists needing a convenient immersion cleaner for smaller components. Ensure parts fit within the 3/4-gallon pail for effective submersion.
9. Zep Dyna 143 Parts Washer Solvent – 5 Gallon (1 Bucket) 36635 – Designed for use in Part Washes

Best for: Recycled solvent for parts washers.
Zep Dyna 143 is a 5-gallon parts washer solvent featuring highly-refined, odorless solvents that quickly dissolve grease and oil. Its low evaporation rate and higher flash point (143°F) reduce flammability hazards in shop areas.
Designed for use in Zep parts washers, this recycled liquid continuously recycles, minimizing evaporative loss and employee exposure. It effectively flushes away grease and dirt and can be used with a brush or as a dip, making it suitable for all metal surfaces.
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
- Higher flash point (143°F)
- Recycled material feature
Cons
- Designed for use in specific Zep parts washer systems, limiting broader compatibility.
Best for users with Zep parts washer systems seeking an efficient, low-odor solvent. Ensure your parts washer is compatible with this specific formulation.
10. R19835 PARTS WASHER SOLVENT 5 GAL/PAIL

Best for: Citrus-fortified industrial degreaser.
This 5-gallon pail of Zep Professional Parts Washer Solvent with Citrus is formulated to effectively remove tough buildup, oil, and grease from metal surfaces. The citrus fortification enhances cleaning power and adds a pleasant fragrance.
Designed for industrial and commercial applications, this concentrated liquid is ready for use in solvent-based parts washer systems or can be applied by spraying, wiping, or dipping. It ensures optimal machinery performance by handling demanding cleaning tasks without leaving a strong solvent smell.
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
- Citrus fortification for enhanced cleaning
- Pleasant fragrance
- Effective soil removal
- Industrial-grade degreaser
Cons
- Item volume is 5 gallons, which may be excessive for small-scale or infrequent use.
Suitable for industrial and commercial settings needing powerful degreasing with a fresh scent. Consider smaller quantities if your cleaning needs are limited.
What Buyers Often Overlook
Choose capacity and application format before the formula
Capacity and application format should match how often you clean and how your washer operates. The 5-gallon B’laster, Oil Eater, and Zep options suit larger parts-washer systems or regular shop use, while the 1-gallon B’laster, Oil Eater, and Simple Green products provide smaller working volumes. CRC’s 18-ounce spray is better suited to targeted cleaning rather than filling a tank.
Berryman’s 3/4-gallon pail includes a basket and armlock, making it the most purpose-built option here for immersion cleaning without heat or agitation. Zep Dyna 143 is designed for specified Zep parts washers and can be used with a brush or as a dip.
Zep’s R19835 is ready for solvent-based systems and supports spraying, wiping, or dipping. These formats are not interchangeable by default, so confirm the washer or cleaning method before filling a system.
The Key Product Trade-Off
Balance material compatibility, residue, odor, and solvent behavior
Material compatibility and finish requirements are the main trade-offs between these formulas. B’laster 128-PWS states that it is safe for all metals, most plastics, and painted surfaces, while Berryman lists plastic, rubber, most painted components, metals, and alloys. B’laster also emphasizes residue-free cleaning, as does CRC.
Water-based alternatives bring different attributes: Oil Eater Parts Washer Fluid is pH neutral, low odor, nonabrasive, streak free, and intended for microbial smart washers and most parts-washer systems. Simple Green products are concentrated, biodegradable, and described as noncorrosive or low odor, while Oil Eater Original is noncorrosive and biodegradable but requires dilution and surface spot testing.
For solvent systems, Zep Dyna 143 highlights a 143-degree F flash point and low evaporation, and B’laster lists 145 degrees F. Use ventilation, protective eyewear, and gloves as directed, especially when splashing or spray-back is possible.
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 B’laster 5-PWS or Zep Dyna 143 when you need a 5-gallon solvent for a larger or filtered parts-washer setup and value high-flashpoint or low-evaporation characteristics. Pick B’laster 128-PWS for a 1-gallon residue-free solvent rated for metals, most plastics, and painted surfaces. Use Oil Eater Parts Washer Fluid for a pH-neutral, low-odor, nonabrasive fluid compatible with microbial smart washers and most systems.
Choose Simple Green Pro HD or Industrial Cleaner for concentrated, biodegradable water-based cleaning. Berryman fits immersion cleaning of carbon, varnish, sludge, oil, and grease.
CRC suits targeted spray cleaning, while Zep R19835 is made for cold solvent tanks and multiple application methods.
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 safest type of parts cleaner solvent?
Water-based cleaners are generally safer due to their pH-neutral formulations and lack of harsh fumes, making them suitable for various applications. High flashpoint solvents also offer increased safety by reducing flammability risks. Always check product labels for specific safety precautions and material compatibility.
Can parts cleaner solvents be used on plastics and painted surfaces?
Some parts cleaner solvents are formulated to be safe for use on metals, most plastics, and painted surfaces without leaving residue. It’s crucial to verify the product’s compatibility with specific materials before application to avoid damage. Always test on an inconspicuous area first.
How do I properly dispose of used parts cleaner solvent?
Proper disposal of used parts cleaner solvent is essential for environmental protection. Many used solvents are considered hazardous waste and require collection by a licensed disposal service. Never pour used solvents down drains or into the environment.
Check local regulations for specific disposal guidelines.
What is the difference between a solvent-based and water-based cleaner?
Solvent-based cleaners use chemical solvents to dissolve grease and grime, often offering powerful cleaning action but potentially with stronger fumes. Water-based cleaners utilize water as a base, often incorporating detergents or microbes, and are typically less volatile and more environmentally friendly.
Are there parts cleaner solvents that don't leave a residue?
Yes, several parts cleaner solvents are specifically designed to evaporate completely without leaving any residue. This is particularly important for applications where a clean surface is critical, such as before painting or assembly. Look for ‘no residue’ claims on product labels.
Final Words
Selecting the right parts cleaner solvent depends on your specific cleaning needs and the materials you’re working with. For general-purpose cleaning with safety in mind, water-based options are excellent. If dealing with heavy grease and grime on durable materials, a strong solvent may be more effective.
Always prioritize safety and material compatibility.