Purpose and Specifications

ORLEN HIPOL 15F 85W90 5L is a premium transmission oil designed for rear axles and differential gears in cars and trucks. This API GL-5 rated oil provides extreme pressure protection, keeping gears smooth under heavy loads and high speeds.

Key practical benefits:

• Flows easily down to -25°C for reliable cold starts in winter.
• Stays thick and protective up to 150°C during intense towing or hauling.
• 5-liter canister covers most rear axle fills, reducing refill hassle.
• Long shelf life of 5 years when stored cool and dry.

When to Use / Replace?

Use this oil in vehicles with manual transmissions, differentials, and axles facing tough conditions like highway driving, off-road, or heavy loads. Replace every 40,000-60,000 km or 24-36 months, or sooner if you notice gear grinding, leaks, or dark fluid during checks.

Pro tip: Ideal for older trucks and cars without modern synthetic requirements.

FAQ

Is ORLEN HIPOL 15F safe for my limited-slip differential?
Yes, its GL-5 formula protects standard and limited-slip diffs without extra additives.

Can I mix it with other gear oils?
Best to fully drain old oil first for peak performance, but it's compatible with most mineral GL-5 oils.

What if I live in extreme climates?
Perfect for -25°C winters to 150°C summers, trusted by mechanics for reliable year-round gear protection.