Westway Oils DW-40 Penetrating Oil & Water Displacer Multi-Purpose Lubricant
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Westway Oils DW-40 Penetrating Oil & Water Displacer Multi-Purpose Lubricant
Westway Oils DW-40 Penetrating Oil
Premium Water Displacer & Moisture Barrier
Westway Oils DW-40 is a high-grade, multi-functional penetrating fluid specifically formulated to search into the tightest crevices to free rusted and seized metal parts. Beyond its incredible "creeping" ability, it acts as a superior water displacer, forming a non-conductive moisture barrier that is ideal for electrical systems and long-term storage of machinery.
RELIABILITY: Engineered to meet the demanding needs of the automotive and industrial sectors, providing a professional-grade alternative to standard retail lubricants.
Key Features
✔ Rapidly frees seized nuts, bolts, and valves
✔ Displaces moisture from spark plugs and ignitions
✔ Leaves a fine, anti-corrosive protective film
✔ Cleans grease, grime, and adhesive residue
Technical Specs
Appearance:
Light Amber / Clear
Odor:
Characteristic Petroleum
Flash Point:
~59°C (138°F)
Specific Gravity:
0.81 @ 25°C
Kinematic Viscosity:
2.8 cSt @ 38°C
Boiling Point:
183°C (360°F) Initial
Compatibility / Fitment Guide
Application Area
Typical Usage
Notes
Automotive
Chassis bolts, spark plugs, door hinges
Safe on metal and most rubbers
Marine
Outboard motors, winches, control cables
Resists salt spray corrosion
Industrial
Conveyor chains, rollers, heavy machinery
High penetration for deep rust
Domestic
Garden tools, padlocks, sliding tracks
Clear, non-staining finish
OEM Cross Reference
WD-40
Multi-Use Product / Specialist Penetrant
GT85
Maintenance Spray with PTFE Alternative
PlusGas
Dismantling Lubricant
Wurth
Rost-Off / HHS Lubricant
IMPA Code
450702 / 450720 Equivalent
Questions & Answers
Is this a genuine original part?
This is a premium quality multi-purpose oil manufactured by Westway Lubricants to meet the highest industrial performance standards, serving as a high-performance equivalent to major brands.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If you currently use WD-40, GT85, or similar water displacers, this is a guaranteed replacement.
Can this be uséd on electrical components?
Yes, DW-40 is non-conductive and specifically designed to displace moisture from electrical ignitions, distributors, and spark plugs to prevent short circuits.
Note: Solarika is a distributor of high-quality Westway Lubricants. Please verify your application requirements against the technical specs provided above before purchasing.