LIQUI MOLY · New
LIQUI MOLY 20L Marine Fully Synthetic Gear Oil (GL4/GL5) SAE 75W90
MPN 20491 · Store SKU lqm20491
Supplier stock checked 11/7/2026, 6:00:02 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
Fully synthetic high-performance gear oil with extreme performance reserves. Provides accurate transmission function in extreme operating conditions and when exposed to large temperature fluctuations. Meets or exceeds the requirements and specifications of major transmission manufacturers. For marine transmissions where a lubricant according to API GL4/GL5 is required. Also suitable for drive wheels of different categories and reverse gears. Exceeds the highest test requirements of well-known transmission manufacturers. Marine Fully Synthetic Gear Oil GL4/GL5 SAE 75W-90
Manufacturer fitment & guides
Check 20491 against the manufacturer’s application information below.
Part-specific notes
- Ground shipping only.
- California Proposition 65: Y