10 Best Cleaning Solvent for Parts Washer Reviewed 2025

After countless hours spent tinkering in the garage, I’ve learned that getting your hands on the best cleaning solvent for parts washer isn’t just about sparkling clean components; it’s about efficiency, safety, and extending the life of your equipment. A reliable parts washer fluid can cut through years of grease and grime, making frustrating degreasing jobs a breeze. This guide will walk you through some top contenders, plus essential tools that optimize your cleaning experience, helping you choose the perfect solution for your needs.

IMAGE	PRODUCT NAME	AMAZON LINK
	CRC Parts Washer Solvent, 5 Gal, 05067	View on Amazon
	R19835 PARTS WASHER SOLVENT 5 GAL/PAIL	View on Amazon
	Oil Eater Parts Washer Fluid, Water-Based Heavy Duty pH…	View on Amazon
	B’laster 128-PWS Industrial Strength Parts Washer Solvent	View on Amazon
	Wesquer Parts Cleaning Brush Home and Auto Use Parts…	View on Amazon
	DECOHS Parts Washer Brush with 31 Inch Hose- Wear…	View on Amazon
	Lisle 14000 Parts Cleaning Brush	View on Amazon
	Parts Brush™ Oriflo with Hose (#OR101H) – Flow-Thru Parts…	View on Amazon
	JEGS 5-Gallon Portable Parts Washer | 3.5 Gallon Solvent…	View on Amazon
	Red Sun Parts Washer 20 Gallon Cabinet Electric Solvent…	View on Amazon

1. CRC Parts Washer Solvent, 5 Gal, 05067

This CRC Parts Washer Solvent has been a staple in my workshop for its sheer power. It effortlessly strips away tough grease, oil, and accumulated dirt, leaving parts remarkably clean. I appreciate that it’s a Zero VOC formula, making it a more environmentally conscious choice without sacrificing cleaning performance, and its high flashpoint adds a layer of safety.
Key features that stand out (Bold):
– Instantly removes grease, oil, dirt, and other contaminants.
– High flashpoint of 204 °F for enhanced safety.
– Zero VOC formula with no chlorinated solvents.
– Versatile use on most metals, plastics, and painted surfaces.
Pros:
– Extremely effective on tough deposits.
– Safe for a wide range of materials.
– High flashpoint offers peace of mind.
– Environmentally friendlier with zero VOCs.
Cons:
– The strong smell can linger if not used in a well-ventilated area.
Best for: Heavy-duty industrial and automotive parts cleaning where safety and performance are paramount.
Expert Opinion: This is a go-to for professionals who need uncompromising cleaning power and appreciate a safer, non-chlorinated solvent with a high flashpoint.

2. R19835 PARTS WASHER SOLVENT 5 GAL/PAIL

When dealing with truly stubborn industrial grime, the R19835 is a formidable choice. Its industrial-grade formula makes quick work of thick buildup, oil, and grease on metal surfaces. Designed for cold solvent cleaning tanks, it’s straightforward to use without the need for heating, and surprisingly, it leaves a pleasant citrus scent, which is a welcome change from typical strong solvent odors.
Key features that stand out (Bold):
– Effective Soil Removal for tough buildup, oil, and grease.
– Industrial-Grade Degreaser for demanding applications.
– Cold Solvent Use, no heating required for effectiveness.
– Versatile Application for soaking, scrubbing, or spraying.
– Pleasant Citrus Fragrance that reduces harsh solvent smells.
Pros:
– Exceptional cleaning power for industrial use.
– No need for heating, saving energy and simplifying use.
– Pleasant scent improves the working environment.
– Highly versatile in cleaning methods.
Cons:
– May not be suitable for all plastics or painted surfaces, requiring careful testing.
Best for: Industrial and commercial settings needing a powerful, cold-application degreaser with an improved scent.
Expert Opinion: This solvent stands out for its cold-use effectiveness and the thoughtful addition of a citrus fragrance, making heavy-duty cleaning more tolerable.

3. Oil Eater Parts Washer Fluid, Water-Based Heavy Duty pH…

Oil Eater’s Parts Washer Fluid truly impresses with its pro strength cleaning capabilities while being remarkably water-based, biodegradable, and pH-neutral. It’s ideal for those seeking a powerful yet eco-conscious solution, especially compatible with smart washers and microbe-based systems. The 5-gallon pail offers great value, and its heat-tolerant formula means it performs well in heated systems too.
Key features that stand out (Bold):
– Pro strength, heavy-duty formula destroys grease and grime.
– Water-based, biodegradable, and pH-neutral.
– Safe for smart washers and microbe-based systems (contains nutrient package for microbes).
– Exceptional value in a 5-gallon pail.
– Heat-tolerant formula works well in heated systems.
Pros:
– Environmentally friendly and safe for drains.
– Non-corrosive and safe on industrial equipment.
– Versatile for both cold and heated applications.
– Cost-effective for regular use.
Cons:
– May require longer soak times for extremely baked-on grease compared to solvent-based options.
Best for: Eco-conscious users, smart washer owners, and those needing a powerful, versatile water-based solution safe for sensitive equipment.
Expert Opinion: For anyone looking for a powerful yet environmentally responsible parts washer fluid, Oil Eater delivers excellent results, especially with its compatibility with bio-remediation systems.

4. B’laster 128-PWS Industrial Strength Parts Washer Solvent

B’laster is a name synonymous with tough cleaning, and their Industrial Strength Parts Washer Solvent lives up to the reputation. This formula quickly cuts through cutting oil, motor oils, and grease, leaving parts residue-free. Its high flashpoint of 145-Degrees F offers a good balance of safety and effectiveness, making it a reliable choice for various applications. It’s also safe for use on all metals, most plastics, and painted surfaces.
Key features that stand out (Bold):
– Cuts through cutting oil, motor oils, and grease effectively.
– Leaves parts residue-free for a clean finish.
– High flashpoint formula 145-Degrees F for safety.
– Safe for use on all metals, most plastics, and painted surfaces.
Pros:
– Excellent degreasing capabilities.
– Dries quickly and leaves no residue.
– Broad compatibility with various materials.
– Reputable brand known for quality.
Cons:
– The smell is characteristic of petroleum-based solvents and can be strong.
Best for: General automotive and industrial maintenance where a residue-free finish and broad material compatibility are important.
Expert Opinion: B’laster provides a solid, reliable parts washer solvent that gets the job done without fuss, especially appreciated for its residue-free drying.

5. Wesquer Parts Cleaning Brush Home and Auto Use Parts…

While not a solvent, this Wesquer Parts Cleaning Brush is an indispensable companion to any parts washer setup. Its stiff polypropylene bristles are perfect for scrubbing away dirt and grime loosened by your solvent, especially in tight corners. The comfortable PVC handle and durable stainless steel ferrule ensure it withstands heavy-duty use, making it great for automotive components and small engines.
Key features that stand out (Bold):
– Efficient Cleaning for mechanical parts and tight spaces.
– Durable Construction with PVC handle and stainless steel ferrule.
– Versatile Usage as a lug nut brush or general solvent brush.
– Stiff Polypropylene Bristles for heavy-duty scrubbing power.
– Precision Cleaning for detailed and hard-to-reach areas.
Pros:
– Effectively tackles stubborn dirt when used with solvent.
– Built to last through rigorous cleaning tasks.
– Comfortable grip reduces hand fatigue.
– Excellent for precision cleaning.
Cons:
– Bristles might be too stiff for very delicate surfaces without careful application.
Best for: Anyone using a parts washer who needs to physically scrub away loosened grime from automotive or small engine parts.
Expert Opinion: A good solvent needs a good scrub brush. This Wesquer brush excels at getting into crevices and dislodging stubborn gunk, greatly enhancing your parts cleaning solvent‘s effectiveness.

6. DECOHS Parts Washer Brush with 31 Inch Hose- Wear…

The DECOHS Parts Washer Brush elevates the cleaning experience with its integrated 31-inch hose, which is a game-changer for directing solvent precisely where you need it. Crafted from quality materials like a rubber hose and PP bristles, it’s designed for durability and effective cleaning of deep crevices. The ergonomic handle ensures a firm, comfortable grip, preventing strain during prolonged use.
Key features that stand out (Bold):
– Quality Material with rubber hose, plastic handle, and PP bristles.
– Comfortable Ergonomic Handle with threaded design for firm grip.
– Long 31 Inch Rubber Hose for direct solvent delivery.
– Wear, corrosion, and oil resistance in the hose.
– Widely Used for most parts washers, on-engine cleaning, and fluid evacuation.
Pros:
– Direct solvent delivery increases cleaning efficiency.
– Long hose provides excellent reach and flexibility.
– Comfortable handle for extended use.
– Durable construction stands up to chemicals and use.
Cons:
– Managing the long hose can be a minor inconvenience in very confined spaces.
Best for: Mechanics and DIY enthusiasts seeking precision solvent application and efficient scrubbing in a parts washer or for on-engine cleaning.
Expert Opinion: This brush is a must-have accessory for maximizing the penetration and effectiveness of your cleaning solvent for parts washer, especially for intricate components.

7. Lisle 14000 Parts Cleaning Brush

The Lisle 14000 Parts Cleaning Brush is a straightforward, no-nonsense tool designed for general parts cleaning. While the details provided are minimal, Lisle is a respected brand in automotive tools, suggesting a focus on utility and durability. This brush is a basic, universal fit, likely meant to be a reliable workhorse for scrubbing away debris alongside your parts washer fluid.
Key features that stand out (Bold):
– Universal fit for various cleaning tasks.
– Compact and lightweight for easy handling.
– Basic, reliable design for general scrubbing.
Pros:
– Affordable and readily available.
– A dependable option for basic cleaning needs.
– Lightweight and easy to maneuver.
Cons:
– Lacks specialized features like a flow-through hose or specific bristle types for unique tasks.
Best for: Budget-conscious users or those needing a simple, effective brush for general scrubbing tasks in their parts washer.
Expert Opinion: Sometimes, simple is best. This Lisle brush serves as a reliable, fundamental tool to aid your parts washer solvent in breaking down stubborn dirt, without any frills.

8. Parts Brush™ Oriflo with Hose (#OR101H) – Flow-Thru Parts…

This Parts Brush™ Oriflo isn’t just any brush; it’s a professional tool from the company that essentially invented the modern flow-thru parts cleaning brush. Assembled in the USA, its bullet-shaped tip of stiff Trialoy polyester filament resists mushrooming, making it highly durable and effective. It’s designed to work seamlessly with both petroleum- and water-based cleaning solutions, a testament to its versatility and quality.
Key features that stand out (Bold):
– Professional-grade tool from the originator of flow-thru brushes.
– Assembled in the USA (filament imported).
– Bullet-shaped tip of stiff Trialoy polyester filament resists mushrooming.
– Good for both petroleum- or water-based cleaning solutions.
– Ships as original equipment with many parts washers globally.
Pros:
– Exceptional durability and longevity.
– Highly effective at scrubbing and maintaining shape.
– Versatile with different types of solvents.
– Industry standard for quality.
Cons:
– Premium price point compared to generic brushes.
Best for: Professionals and serious DIYers who demand the highest quality and performance from their cleaning tools, compatible with any parts washer solvent.
Expert Opinion: When precision and longevity matter in your scrubbing tools, this Parts Brush™ Oriflo is an investment that truly enhances the effectiveness of any best cleaning solvent for parts washer.

9. JEGS 5-Gallon Portable Parts Washer | 3.5 Gallon Solvent…

The JEGS 5-Gallon Portable Parts Washer is a fantastic compact solution for cleaning small parts and projects. While not a solvent itself, it’s the ideal companion for your chosen parts washer fluid. Its compact design saves workbench space, and the removable tray provides versatility and easy cleanup. The powder-coated black finish with the JEGS logo ensures long life and a great look in any shop.
Key features that stand out (Bold):
– Vital tool for cleaning and degreasing parts.
– Compact design ideal for small parts and projects.
– Removable tray for versatility and ease of cleanup.
– Powder-coated black finish for durability and aesthetics.
– 5-gallon capacity (3.5-gallon solvent capacity) suitable for most small parts.
Pros:
– Space-saving and portable.
– Easy to maintain and clean.
– Durable construction from a trusted brand.
– Perfect for occasional use or smaller operations.
Cons:
– Limited capacity may not be suitable for larger components.
Best for: Home mechanics, hobbyists, or small workshops needing a compact and portable solution to contain and facilitate their parts washer fluid use.
Expert Opinion: This JEGS parts washer offers a dedicated, safe environment for your best cleaning solvent for parts washer to do its job, especially valuable for smaller projects and space-conscious users.

10. Red Sun Parts Washer 20 Gallon Cabinet Electric Solvent…

The Red Sun 20 Gallon Cabinet Parts Washer is a robust, full-featured unit designed for serious cleaning tasks. It’s a complete system that optimizes the use of your cleaning solvent for parts washer. Key features include a flow-thru parts brush with a 28-inch tube and a 180-degree rotating nozzle for precise cleaning. The unit boasts a self-locking fuse for safety, a removable basket for small parts, and a high-flow pump that recycles the cleaning fluid through a filter, ensuring longevity and efficiency of your chosen solvent.
Key features that stand out (Bold):
– Flow-thru parts brush with 28-inch tube and 180-degree rotating nozzle.
– Self-locking fuse for enhanced safety in case of overheating.
– Removable basket for convenient small parts storage and cleaning.
– Cleaning fluid can be recycled through a filtered high-flow pump.
– Sturdy steel construction with anti-rust coating.
– High flow pump (5-1/4 GPM) for efficient and quick cleaning.
Pros:
– Comprehensive cleaning system with integrated brush and pump.
– Excellent safety features (self-locking fuse).
– Recycling pump extends solvent life and filters impurities.
– Durable construction for heavy-duty use.
– Ideal for both small and medium-sized parts.
Cons:
– Not recommended for volatile solvents like gasoline, limiting some applications.
Best for: Professional auto repair shops, industrial settings, or serious DIYers who need a high-capacity, feature-rich parts washer for regular, intensive cleaning.
Expert Opinion: This Red Sun unit represents a significant upgrade for anyone serious about parts cleaning, providing an optimal environment for your best cleaning solvent for parts washer to perform at its peak, with integrated safety and efficiency features.

Helpful Comparison Short Insights

When choosing the best cleaning solvent for parts washer, it’s clear there isn’t a one-size-fits-all solution. For heavy-duty degreasing on a variety of materials, the CRC Parts Washer Solvent and B’laster Industrial Strength Solvent are top contenders, both offering high flashpoints and effective grime removal. If environmental concerns are a priority, Oil Eater’s water-based, biodegradable, and pH-neutral formula is a fantastic, microbe-friendly alternative. The R19835 stands out for its industrial-grade cold cleaning power and a unique citrus scent that makes prolonged work more pleasant.

Beyond the solvents themselves, the right tools make a huge difference. For precision scrubbing and getting into tight spaces, the DECOHS Parts Washer Brush with its long flow-thru hose is invaluable, while the Wesquer Parts Cleaning Brush offers robust stiff bristles for general heavy scrubbing. For professional-grade durability and effectiveness with both water and petroleum-based solvents, the Parts Brush™ Oriflo is an industry standard.

Finally, the parts washer unit itself dictates your cleaning efficiency. The JEGS 5-Gallon Portable Parts Washer is an excellent compact solution for small jobs and space-constrained areas, providing a dedicated space for your solvent. For larger volumes and integrated features, the Red Sun 20 Gallon Cabinet Electric Solvent Parts Washer is a comprehensive system with fluid recycling, safety mechanisms, and a high-flow pump, optimizing the performance and longevity of your chosen parts washer fluid.

Final Verdict

Choosing the best cleaning solvent for parts washer ultimately depends on your specific needs, budget, and priorities.

• For maximum cleaning power and safety (high flashpoint): The CRC Parts Washer Solvent is a fantastic all-rounder for serious grime.
• For eco-conscious cleaning without sacrificing strength: Oil Eater Parts Washer Fluid is your go-to, especially if you’re using bio-remediation systems.
• For industrial-grade power with a pleasant twist: The R19835 PARTS WASHER SOLVENT provides cold-application effectiveness with a citrus scent.
• For reliable, residue-free degreasing across materials: B’laster Industrial Strength Parts Washer Solvent is a solid, trustworthy choice.

Remember, a great solvent often works even better with the right tools. The DECOHS Parts Washer Brush for precise application and the Red Sun Parts Washer for a complete, efficient cleaning station are excellent investments to truly elevate your parts cleaning game. Combining a top-tier cleaning solvent for parts washer with a well-suited machine and brush will ensure your parts are sparkling clean and ready for their next adventure.

Comprehensive FAQ Section

Q1: What is the best cleaning solvent for parts washer for automotive use?
A1: For general automotive use, solvents like CRC Parts Washer Solvent or B’laster Industrial Strength Parts Washer Solvent are excellent choices. They effectively cut through motor oils, grease, and grime, and are safe for most metal parts, plastics, and painted surfaces commonly found in automotive components.

Q2: Are water-based parts washer fluids as effective as petroleum-based ones?
A2: Modern water-based fluids, like Oil Eater Parts Washer Fluid, are very effective, especially for light to medium grease and carbon deposits. While some extremely stubborn, baked-on petroleum-based grime might still be best tackled by traditional solvent-based products, water-based solutions offer significant benefits in terms of biodegradability, safety, and non-flammability.

Q3: How often should I change my parts washer fluid?
A3: The frequency depends on how heavily you use your parts washer and the type of contaminants. As a general rule, change your parts washer fluid when it becomes visibly dark, cloudy, or when its cleaning effectiveness significantly decreases. Parts washers with filtration systems, like the Red Sun 20 Gallon unit, can extend the life of your solvent by continuously removing impurities.

Q4: Can I use household degreasers in my parts washer?
A4: It’s generally not recommended to use standard household degreasers. Parts washer solvents are specifically formulated for industrial use, often with different chemical compositions, flashpoints, and material compatibility. Using an inappropriate cleaner could damage your parts washer, lead to poor cleaning results, or create safety hazards. Always use a product labeled for parts washer use.

Q5: What are VOCs in parts washer solvent, and why should I care?
A5: VOCs (Volatile Organic Compounds) are chemicals that can evaporate into the air and contribute to air pollution and health issues. Choosing a Zero VOC parts washer solvent, such as the CRC Parts Washer Solvent, is beneficial for both environmental protection and reducing your exposure to potentially harmful fumes, making your workspace healthier.

Q6: What safety precautions should I take when using parts washer solvent?
A6: Always work in a well-ventilated area, wear appropriate personal protective equipment (PPE) like chemical-resistant gloves and safety glasses, and avoid skin contact or inhaling fumes. Be aware of the solvent’s flashpoint and never use a solvent with a low flashpoint in a heated washer unless explicitly stated as safe by the manufacturer. Store the best cleaning solvent for parts washer in a cool, dry place away from ignition sources.

Q7: Can I use brushes and parts washers with any cleaning solvent for parts washer?
A7: Most brushes, especially those with polypropylene bristles like the Wesquer or DECOHS, are designed to be compatible with a wide range of parts washer solvents, including both petroleum and water-based types. Parts washer machines, like the JEGS and Red Sun units, are also designed for general parts washing fluids. However, always double-check the manufacturer’s recommendations for compatibility, especially if you’re using highly aggressive or specialized solvents.