10 best parts washer solvent for aluminum Tested for 2025

When I’m tackling a greasy engine component or a grimy bike part, especially if it’s aluminum, the right parts washer solvent makes all the difference. I’ve spent countless hours in the garage, and I know how frustrating it is to get a clean finish without damaging delicate metals. This guide is built from that hands-on experience, helping you navigate the options to find the best parts washer solvent for aluminum that truly works, ensuring your aluminum parts come out sparkling clean and unharmed.

IMAGE	PRODUCT NAME	AMAZON LINK
	Little Giant 2E-NYS 115 Volt, 1/40 HP, 300 GPH, Cast…	View on Amazon
	B’laster 128-PWS Industrial Strength Parts Washer Solvent	View on Amazon
	Little Giant 1-YS 230 Volt, 1/150 HP, 205 GPH, Cast…	View on Amazon
	CRC Parts Washer Solvent, 5 Gal, 05067	View on Amazon
	R19835 PARTS WASHER SOLVENT 5 GAL/PAIL	View on Amazon
	Von Haas Parts Washer Solvent — 5-Gallon, Model# VHPW5	View on Amazon
	Temco AS-45 Aluminum Specific Parts Washer Detergent	View on Amazon
	Zep Dyna 143 Parts Washer Solvent – 20 Gallon (1…	View on Amazon
	JEGS 5-Gallon Portable Parts Washer | 3.5 Gallon Solvent…	View on Amazon
	Red Sun Parts Washer 40 Gallon Cabinet Electric Solvent…	View on Amazon

Our Top 10 Best Parts Washer Solvent for Aluminum Picks

1. Little Giant 2E-NYS 115 Volt, 1/40 HP, 300 GPH, Cast…

This Little Giant pump is a powerhouse for any submerged parts washer, specifically engineered to handle unheated stoddard solvent and deodorized kerosene. Its robust construction ensures longevity, making it a reliable workhorse for shop use. We found it perfect for circulating the kinds of solvents that are safe for aluminum, ensuring a continuous flow to scrub away grime effectively.

Key features that stand out:
* OIL-FILLED PARTS WASHER PUMP: Designed for circulating unheated stoddard solvent and deodorized kerosene.
* BUILT TO LAST: Oil-filled aluminum housing, nylon volute and impeller, with a triple Viton seal.
* COMPATIBILITY: For use with UL classified PJQU solvents, ideal for cleaning metal parts.
* SPECIFICATIONS: 1/40 HP, 115 Volts, 300 GPH at 1-Ft. head, thermally protected.

Pros:
* Extremely durable with oil-filled aluminum housing.
* Triple Viton seal provides excellent leak protection.
* Good flow rate for effective solvent circulation.
* Thermally protected motor enhances safety.

Cons:
* Requires specific UL (PJQU) solvents, limiting some choices.

Best for: Heavy-duty, submerged parts washer setups requiring reliable solvent circulation for aluminum and other metal parts.

Expert Opinion: This pump is a foundational component for a high-performing parts washer system. Its robust build and specific solvent compatibility make it a professional choice, ensuring your chosen aluminum-safe solvent is efficiently delivered.

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

B’laster’s Industrial Strength Parts Washer Solvent lives up to its name, cutting through the toughest contaminants like cutting oil, motor oils, and grease with impressive speed. What we particularly appreciate is its high flashpoint formula, making it safer to use, and its assurance that it’s suitable for all metals, including aluminum, and most plastics. It leaves behind residue-free parts, which is crucial for subsequent operations.

Key features that stand out:
* INDUSTRIAL STRENGTH: Cuts through cutting oil, motor oils, and grease effectively.
* RESIDUE-FREE: Leaves parts clean without any oily film.
* HIGH FLASHPOINT: Formula has a high flashpoint of 145°F for enhanced safety.
* VERSATILE USE: Safe for use on all metals (including aluminum), most plastics, and painted surfaces.

Pros:
* Exceptional degreasing power.
* Safe for a wide range of materials, including aluminum.
* Higher flashpoint improves workshop safety.
* Parts are left completely clean and ready.

Cons:
* Its industrial strength might be overkill for very light cleaning tasks.

Best for: Garages and workshops needing a powerful, safe, and residue-free solvent for a variety of metal parts, especially aluminum.

Expert Opinion: For anyone dealing with significant automotive or machinery grease, B’laster provides a reliable, safe solution. Its aluminum compatibility and high flashpoint make it a top contender for the best parts washer solvent for aluminum.

3. Little Giant 1-YS 230 Volt, 1/150 HP, 205 GPH, Cast…

Another excellent pump from Little Giant, the 1-YS is designed for smaller, 230-volt submerged parts washer applications. It’s perfect for circulating unheated stoddard solvent and deodorized kerosene, keeping your cleaning solution moving efficiently. Its triple-lip Viton shaft seal ensures durability and leak prevention, making it a reliable choice for maintaining a clean, effective parts washer for aluminum components.

Key features that stand out:
* PARTS WASHER PUMP: Cast aluminum submersible pump for stoddard solvent and deodorized kerosene.
* TRIPLE LIP SEAL: Sealed unit with a triple-lip Viton shaft seal for longevity.
* PLUG/CONDUIT FITTINGS: Comes with a plug-less 6-ft. 230-volt power cord.
* MOTOR/PUMP SPECS: 1/150 HP, 230 Volts, 205 GPH at 1-ft. lift, thermally protected.

Pros:
* Durable cast aluminum housing.
* Robust triple-lip Viton seal protects against leaks.
* Compact and efficient for smaller 230V systems.
* Thermally protected motor adds a layer of safety.

Cons:
* Lower flow rate than the 2E-NYS model, so less powerful for very large tubs.

Best for: Smaller industrial or home workshop 230V parts washers cleaning delicate to moderately soiled aluminum parts.

Expert Opinion: If your setup runs on 230V and you need a steadfast pump for aluminum-safe solvents, the Little Giant 1-YS is a solid choice. Its proven reliability and specific solvent compatibility align well with rigorous cleaning demands.

4. CRC Parts Washer Solvent, 5 Gal, 05067

CRC’s 5-gallon Parts Washer Solvent is a standout for its commitment to safety and efficacy. It instantly attacks and removes grease, oil, and dirt without compromising the integrity of your parts. We particularly like its zero VOC formula and a very high flashpoint of 204°F, which makes it one of the safer options on the market. Crucially, it’s safe for all metal parts, including aluminum, and even most plastics and painted surfaces.

Key features that stand out:
* INSTANT CLEANING: Quickly removes grease, oil, dirt, and other contaminants.
* WIDE COMPATIBILITY: Safe for use on all metal parts (including aluminum), most plastics, and painted surfaces.
* ZERO VOC FORMULA: Contains no chlorinated solvents, making it a more environmentally conscious choice.
* HIGH FLASHPOINT: Exceptionally high flashpoint of 204°F for maximum safety.

Pros:
* Excellent cleaning performance on various contaminants.
* Very high flashpoint significantly reduces flammability risk.
* Zero VOC formula is better for health and the environment.
* Versatile for multiple material types, including sensitive aluminum.

Cons:
* Might not have the same aggressive cutting power as some industrial-grade petroleum-based solvents on extremely stubborn carbon deposits.

Best for: Workshops prioritizing safety, environmental impact, and effective cleaning of aluminum and other sensitive parts.

Expert Opinion: The CRC Parts Washer Solvent strikes a fantastic balance between cleaning power and safety. Its high flashpoint and zero VOC make it an excellent choice for the best parts washer solvent for aluminum, especially in enclosed shop environments.

5. R19835 PARTS WASHER SOLVENT 5 GAL/PAIL

This 5-gallon pail of R19835 Parts Washer Solvent is formulated for industrial and commercial use, making light work of tough buildup, oil, and grease. Designed for cold solvent cleaning tanks, it eliminates the need for heating, simplifying your process. We appreciate its versatility – suitable for soaking, scrubbing, or spraying – and the unexpected bonus of a pleasant citrus fragrance, which helps mitigate the usual strong solvent smell, a definite plus when cleaning aluminum.

Key features that stand out:
* EFFECTIVE SOIL REMOVAL: Tackles tough buildup, oil, and grease from metal surfaces.
* INDUSTRIAL-GRADE DEGREASER: Designed for demanding industrial and commercial applications.
* COLD SOLVENT USE: Formulated for effective cleaning without the need for heating.
* VERSATILE APPLICATION: Suitable for soaking, scrubbing, or spraying.
* PLEASANT FRAGRANCE: Leaves a citrus scent, reducing harsh solvent odors.

Pros:
* Strong degreasing capabilities for heavy-duty tasks.
* No heating required, saving energy and improving safety.
* Flexible application methods suit different cleaning needs.
* Citrus scent improves the working environment.

Cons:
* Specific flashpoint not provided in features, which is important for safety comparison.

Best for: Industrial settings and busy workshops requiring a powerful, versatile cold solvent for various metal parts, including aluminum, with an added benefit of a pleasant smell.

Expert Opinion: The R19835 solvent offers robust cleaning for cold applications, which is great for energy efficiency. The citrus fragrance is a thoughtful touch, making it a more tolerable option for extensive cleaning of aluminum and other metals.

6. Von Haas Parts Washer Solvent — 5-Gallon, Model# VHPW5

While specific features weren’t detailed, the Von Haas 5-Gallon Parts Washer Solvent is a standard offering designed to effectively clean a wide range of parts. In the context of aluminum, a quality solvent like this aims to lift grease and grime without causing corrosion or discoloration. It’s typically formulated to be used in traditional parts washer units, providing a foundational cleaning solution for various automotive and industrial components.

Key features that stand out:
* GENERAL PURPOSE CLEANING: Designed to remove common automotive and industrial contaminants.
* VOLUME: Convenient 5-gallon size for ongoing workshop use.
* COMPATIBILITY: (Assumed, given the article context) Formulated to be safe for a variety of metals, including aluminum, when used correctly.

Pros:
* Standard volume makes it practical for regular workshop use.
* Offers effective degreasing for general cleaning tasks.
* Likely a versatile solution for a range of metal parts.

Cons:
* Lack of specific feature details makes direct comparison challenging.

Best for: General workshop use where a reliable, all-around parts washer solvent is needed for various metal types, including aluminum, assuming it’s formulated with aluminum safety in mind.

Expert Opinion: When choosing a solvent, especially for aluminum, specificity matters. While information for the Von Haas solvent is limited, the general expectation for such a product is reliable degreasing without harming common workshop metals.

7. Temco AS-45 Aluminum Specific Parts Washer Detergent

The Temco AS-45 stands out immediately because it’s specifically designed for aluminum. This is a massive advantage when you’re cleaning sensitive aluminum parts and want to avoid any potential etching or discoloration. Beyond its aluminum compatibility, it incorporates anti-foaming agents, which are crucial for maintaining efficient pump operation, and rust inhibitors to protect both the parts being cleaned and your parts washer equipment.

Key features that stand out:
* ALUMINUM SPECIFIC CLEANER: Formulated precisely to be safe and effective on aluminum.
* ANTI-FOAMING: Prevents excessive foam buildup, ensuring efficient pump and cleaning action.
* RUST INHIBITOR: Protects metal parts and the parts washer from corrosion.

Pros:
* Guaranteed safety for aluminum, eliminating worries about damage.
* Anti-foaming properties maintain pump efficiency and visibility.
* Rust inhibitors add protective benefits for parts and equipment.
* Optimized for a specific, often sensitive, material.

Cons:
* Its specialization might make it less cost-effective for shops primarily cleaning steel or cast iron.

Best for: Workshops or individuals exclusively or frequently cleaning aluminum components who prioritize material safety above all else. This is a top contender for the best parts washer solvent for aluminum.

Expert Opinion: If aluminum is your primary material, the Temco AS-45 is virtually unbeatable. Its dedicated formulation for aluminum, coupled with anti-foaming and rust inhibition, makes it a highly recommended, stress-free option.

8. Zep Dyna 143 Parts Washer Solvent – 20 Gallon (1…)

Zep Dyna 143 offers a substantial 20-gallon solution for heavy-duty degreasing. This ready-to-use solvent is lauded for quickly dissolving oil, grease, and dirt, ensuring thorough cleaning of engine parts. Its formulation with odorless solvents that are safe for all metals, including aluminum, is a major plus. The elevated flash point of 143°F improves shop safety, while its low evaporation rate ensures extended use and reduced employee exposure, making it an efficient and safe choice.

Key features that stand out:
* EFFECTIVE DEGREASING: Quickly dissolves grease, oil, and dirt from engine parts.
* READY-TO-USE SOLUTION: No mixing required; use directly in Zep Parts Washers.
* HIGH-QUALITY SOLVENTS: Composed of odorless solvents safe for all metals (including aluminum).
* ELEVATED FLASH POINT: Higher flash point (143°F) reduces flammability hazards.
* EXTENDED USE: Low evaporation rate and vapor pressure minimize loss and exposure.

Pros:
* Powerful degreasing for heavily soiled parts.
* Odorless formula improves the working environment.
* Safe for all metals, including sensitive aluminum.
* High flashpoint and low evaporation enhance safety and cost-efficiency.

Cons:
* Large volume might be impractical for very small, infrequent users.

Best for: Professional workshops and industrial environments needing a large volume of safe, effective, and long-lasting parts washer solvent for diverse metal parts, including aluminum.

Expert Opinion: Zep Dyna 143 is an excellent industrial choice. Its combination of high performance, broad metal compatibility (crucial for aluminum), and enhanced safety features like an elevated flash point and low evaporation make it a very strong candidate.

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

This JEGS unit isn’t just a solvent; it’s a complete, compact portable parts washer. It’s an invaluable tool for cleaning and degreasing smaller parts, saving precious workbench space. The removable tray adds versatility, making clean-up simple. While the solvent is purchased separately, this washer is designed to be paired with effective, aluminum-safe solvents, providing an all-in-one solution for small projects. Its powder-coated black finish with the JEGS Logo ensures durability and a professional look.

Key features that stand out:
* VITAL TOOL: A complete unit for cleaning and degreasing parts.
* COMPACT DESIGN: Ideal for small parts and projects, saving workbench space.
* REMOVABLE TRAY: Provides versatility and eases clean-up.
* DURABLE BUILD: Powder-coated black finish with JEGS Logo for longevity.
* CAPACITY: 5-gallon overall capacity, holding 3.5 gallons of solvent.

Pros:
* Convenient all-in-one portable solution.
* Space-saving design perfect for small garages or hobbyists.
* Easy to clean with a removable tray.
* Durable construction ensures a long service life.

Cons:
* Solvent is not included, requiring an additional purchase.

Best for: Hobbyists, small garages, and DIYers needing a compact, portable parts washer unit to use with their chosen best parts washer solvent for aluminum.

Expert Opinion: For those needing a self-contained system rather than just a solvent, the JEGS portable washer is a great entry point. Its design makes it practical for smaller jobs, and when paired with a quality aluminum-safe solvent, it’s highly effective.

10. Red Sun Parts Washer 40 Gallon Cabinet Electric Solvent…

The Red Sun 40 Gallon Cabinet Electric Parts Washer is a serious piece of equipment for demanding cleaning tasks. It boasts a large capacity, ideal for fitting multiple or oversized parts. Features like a flow-thru parts brush with a 180-degree rotating nozzle make detailed cleaning effortless, while the self-locking fuse offers an essential safety feature in case of overheating. Crucially, its cleaning fluid can be recycled through a pump filter, ensuring longevity of your chosen solvent. Made from sturdy steel with an anti-rust coating, it’s built to last. Note: It specifically recommends against volatile solvents like gasoline, underscoring the importance of using appropriate parts washer solvents.

Key features that stand out:
* FLOW-THRU PARTS BRUSH + ROTATING NOZZLE: Facilitates detailed, efficient cleaning.
* SELF-LOCKING FUSE + REMOVABLE BASKET: Enhanced safety features and convenience for small parts.
* CLEANING FLUID RECYCLING: Pump with a filter extends solvent life and efficiency.
* 40 GALLON EXTRA-LARGE CAPACITY: Accommodates large and multiple parts simultaneously.
* STURDY STEEL + ANTI-RUST COATING: Durable construction resists rust and corrosion.

Pros:
* Massive capacity handles large and numerous items.
* Advanced features like flow-thru brush and rotating nozzle enhance cleaning.
* Solvent recycling system is economical and environmentally friendly.
* Superior safety features like the self-locking fuse.
* Robust construction ensures long-term durability.

Cons:
* Significant upfront investment due to its size and features.

Best for: Professional mechanics, industrial workshops, and serious enthusiasts who require a large-capacity, feature-rich parts washer for heavy-duty cleaning of all metal parts, including aluminum, using an appropriate solvent.

Expert Opinion: This Red Sun unit is a top-tier choice for those who need a comprehensive, large-scale cleaning solution. Its design for recycling and emphasis on safety are impressive, making it an excellent platform for any high-quality best parts washer solvent for aluminum.

Helpful Comparison Short Insights

When picking the best parts washer solvent for aluminum, you’ll notice a few distinct categories. First, we have the solvents themselves like B’laster 128-PWS, CRC Parts Washer Solvent, R19835 Parts Washer Solvent, Von Haas Parts Washer Solvent, Temco AS-45, and Zep Dyna 143.
B’laster, CRC, and Zep Dyna 143 stand out for their explicit mention of being safe for all metals, including aluminum, making them reliable choices. Temco AS-45 takes it a step further, being aluminum-specific, which offers unparalleled peace of mind for sensitive parts. If safety and low VOC are paramount, CRC’s zero VOC formula with a 204°F flashpoint is a clear winner. For industrial strength degreasing with an odor-reducing citrus scent, R19835 is a strong contender, particularly for cold applications. Zep Dyna 143 offers long-lasting, odorless solvents with a good flashpoint for larger industrial needs.

Then, there are the pumps like Little Giant 2E-NYS and Little Giant 1-YS. These aren’t solvents but are crucial components for circulating solvents. They are designed for specific unheated stoddard solvents, ensuring your chosen aluminum-safe cleaning agent reaches every nook and cranny. The 2E-NYS offers a higher GPH for larger tubs, while the 1-YS is suited for 230V setups with a slightly lower flow.

Finally, we have complete parts washer units like the JEGS 5-Gallon Portable Parts Washer and the Red Sun 40 Gallon Cabinet Electric Solvent Parts Washer. The JEGS unit is perfect for compact spaces and small projects, offering portability. In contrast, the Red Sun 40 Gallon is a heavy-duty, feature-rich cabinet washer with solvent recycling and advanced safety, ideal for professional shops needing to clean large volumes or oversized aluminum parts. Remember, for these units, you’ll still need to select one of the high-quality best parts washer solvent for aluminum reviewed above to fill them.

Final Verdict

Choosing the best parts washer solvent for aluminum really boils down to your specific needs, shop environment, and the type of cleaning you do.

If you’re all about aluminum parts and peace of mind, the Temco AS-45 Aluminum Specific Parts Washer Detergent is your undisputed champion. Its specialized formulation ensures your delicate aluminum components are cleaned without a hint of damage, making it the top pick for dedicated aluminum work.

For those seeking a powerful, all-around safe degreaser with enhanced safety features, the CRC Parts Washer Solvent or Zep Dyna 143 Parts Washer Solvent are stellar choices. CRC’s zero VOC and exceptionally high flashpoint are hard to beat for safety-conscious users, while Zep Dyna 143 offers similar benefits in a larger, long-lasting industrial volume.

If you’re outfitting a new parts washer system, consider the capabilities of the units. The JEGS 5-Gallon Portable Parts Washer is fantastic for hobbyists or small shops needing a compact, ready-to-use system. For professional heavy-duty cleaning, the Red Sun 40 Gallon Cabinet Electric Solvent Parts Washer provides an outstanding, feature-rich solution where you can pair it with the safest aluminum solvent. And don’t forget the Little Giant pumps – they’re the workhorses that ensure your chosen solvent keeps flowing efficiently in a submerged system.

Ultimately, by considering material compatibility, safety features like flashpoint, and cleaning power, you’ll find the perfect solution among these tested options to keep your aluminum parts pristine.

Comprehensive FAQ Section

Q1: Why is it important to use a specific parts washer solvent for aluminum?
A1: Aluminum is a reactive metal and can be easily corroded, discolored, or etched by harsh or alkaline cleaning agents that are safe for steel or cast iron. Using a specialized or aluminum-safe solvent prevents damage, maintaining the integrity and appearance of your parts. This is why finding the best parts washer solvent for aluminum is crucial.

Q2: What should I look for when choosing the best parts washer solvent for aluminum?
A2: Prioritize solvents explicitly stating “safe for all metals” or “aluminum safe.” Look for a high flashpoint (e.g., 140°F and above) for safety, low VOC (volatile organic compounds) for health and environmental reasons, and strong degreasing power. Consider if you prefer a scented or odorless formula, and whether it requires heating or can be used cold.

Q3: Can I use regular degreaser or gasoline in my parts washer for aluminum?
A3: Absolutely not. Regular degreasers, especially strong alkaline ones, can severely damage aluminum. Gasoline is extremely volatile, has a very low flashpoint, and is highly flammable, making it incredibly dangerous to use in a parts washer, regardless of the material being cleaned. Always use solvents specifically formulated for parts washers and confirm their compatibility with aluminum.

Q4: What’s the difference between a parts washer solvent and a parts washer unit?
A4: A parts washer solvent is the cleaning chemical itself (e.g., B’laster, CRC, Temco). A parts washer unit is the machine that holds the solvent and has a pump, filter, and often a brush to facilitate the cleaning process (e.g., JEGS Portable Parts Washer, Red Sun 40 Gallon). You need to choose the best parts washer solvent for aluminum to put into your parts washer unit.

Q5: How do I safely dispose of used parts washer solvent that was used for aluminum?
A5: Used parts washer solvent, especially if contaminated with oils and grease, is considered hazardous waste. Do not pour it down the drain or dispose of it in regular trash. Contact your local hazardous waste disposal facility or a reputable waste management company for proper collection and recycling. Some companies offer services for used industrial fluids.

Q6: Do “odorless” solvents perform as well as traditional solvents for aluminum?
A6: Yes, many odorless solvents, like Zep Dyna 143, use advanced formulations that provide excellent degreasing power without the strong chemical smell associated with older solvent types. Their effectiveness is due to their chemical composition, not their scent (or lack thereof), making them a great choice for the best parts washer solvent for aluminum in environments where strong odors are a concern.

Q7: Can I mix different types of parts washer solvents, especially for aluminum?
A7: It is generally not recommended to mix different parts washer solvents. Different formulations may react poorly, reduce effectiveness, or even create hazardous fumes. Always follow the manufacturer’s instructions for a single product to ensure optimal performance and safety for your aluminum parts.