Purpose and Specifications

LIQUI MOLY Hypoid Gear Oil (GL5) SAE 80W is a premium mineral-based transmission oil built for high-load hypoid gears in axles and manual transmissions. It delivers top-notch pressure protection to cut wear by up to 50% under extreme stress, quiets noisy gears, and keeps a strong lubricating film from -30°C cold starts to 150°C high-heat towing. Approved for API GL5, MIL-L 2105 D, MAN 342 Typ M1, Volvo 97314, and ZF TE-ML 17B standards, this 1-liter carton ensures smooth shifts and long drivetrain life in trucks, older cars, and heavy-duty vehicles.

When to Use / Replace?

Use this oil in hypoid differentials and manual gearboxes calling for GL5 80W specs, especially under heavy loads like off-road or hauling. Replace every 60,000 km or 3 years in normal driving, or 30,000 km/18 months for severe conditions like towing or dusty roads. Its excellent aging resistance gives a 5-year shelf life unopened. Safe with seals, mixable but best unmixed for peak performance.

• Key Benefits: Lowers gear noise, boosts cold-weather flow, handles hot temps without thinning.
• 1L Size: Perfect for most axle fills.
• Pro Tip: Drain fully before refill to maximize protection.

FAQ

Q: Is LIQUI MOLY 80W safe for my classic truck's rear diff?
A: Yes, if it specs GL5 and hypoid gears – matches MAN, Volvo, ZF approvals for reliable protection.

Q: How often should I change this gear oil?
A: Every 60,000 km or 3 years normally; sooner at 30,000 km for towing or heavy use to prevent wear.

Q: Can I mix it with other gear oils?
A: It's mixable, but use pure for best results – full extreme-pressure additives work optimally unmixed.