WD-40 Specialist Degreaser Industrial-Strength 15 OZ 6-Pack

In this review of the WD-40 Specialist Degreaser, the bottom line is straightforward: this industrial-strength, solvent-based degreaser is for technicians, mechanics, maintenance crews and anyone who needs a fast, no-residue clean on metal equipment and power tools. The single biggest reason to buy is its proprietary PowerSolve Technology that dissolves heavy grease and oil quickly while remaining safe on most surfaces, so dirty engines, gears and rims come clean without soaking the part in low-flashpoint solvent. It reads like a professional cleaner meant for repeat workshop use rather than a light household spray.

Key Features

• PowerSolve Technology: A proprietary solvent that breaks down grease and oil rapidly so parts and machinery are ready for service sooner.
• No residue: Leaves cleaned surfaces free of tacky film, helping moving parts like chains and bearings run smoothly after wiping.
• Multi-surface safe: Formulated to work on metals, plastics, rubber, glass and aluminum so it is versatile across automotive and industrial jobs.
• Low fumes, high flashpoint: Designed with a higher flashpoint and lower vapor profile for safer use in workshops compared with many aggressive solvents.
• Smart Straw nozzle: Attached two-way straw that sprays or streams for targeted application without losing the straw during jobs.
• Industrial use cases: Effective on engines, tire rims, tractors, forklifts, gears, chains and other heavy greasy soils encountered in professional settings.

Who It's For

This degreaser is best for professional mechanics, fleet maintenance teams and serious DIYers who work on automotive or agricultural equipment and need a product that removes stubborn grease without leaving a residue. The 6-pack format suits shops that consume degreaser regularly or projects that require multiple cans on hand.

Consumers looking for a gentle household cleaner or a scented, low-solvent product for frequent indoor use may want a milder water-based option; always test on plastic or painted surfaces if unsure. Those who require food-safe or explicitly certified non-caustic cleaners should choose a product with those specific certifications.

Pros & Cons

Pros

• Powerful, fast-acting solvent removes old bearing grease and heavy oil effectively.
• Smart Straw two-way nozzle allows controlled spraying or a focused stream for precise cleaning.
• Safe on a wide range of materials when used as directed, reducing risk to parts during cleaning.
• High flashpoint and low fumes make it more workshop-friendly than many harsh solvents.

Cons

• Customer feedback is mixed on residue for some plastic parts, so patch testing is advised before broad use.
• As a solvent-based product, it is stronger than household cleaners and should be handled with proper ventilation and gloves.

Specifications

Product	WD-40 Specialist Degreaser
Format	Aerosol can with attached Smart Straw nozzle
Pack size	6-pack of 15 OZ cans
Technology	PowerSolve proprietary solvent
Surfaces	Metals, plastics, rubber, glass, aluminum and more (test first)
Performance notes	No residue, low fumes, high flashpoint, low run-off

Our Verdict

The WD-40 Specialist Degreaser is a strong choice for professionals and serious hobbyists who need an industrial-strength solvent that cleans quickly and leaves little residue on most surfaces. The Smart Straw and a higher flashpoint add safety and convenience, making the 6-pack good value for workshops that use degreaser regularly; just test delicate plastics and use proper ventilation and PPE.

Frequently Asked Questions

Is it safe on plastics and rubber?
It is formulated to be safe on many plastics and rubber, but the review recommends testing on a small hidden area first to confirm compatibility.

Does it leave a greasy film?
Most users report no residue, though a few customers noted a film on certain parts, so wipe and inspect after use.

What is the nozzle like?
Each can has an attached Smart Straw that sprays two ways for either a wide spray or a focused stream to control application and reduce waste.