Castrol 151D0D AP Gear Lubricant SAE 85W-140 GL-5 Gear Oil 1 Quart

Castrol AP (All-Purpose) Gear Lubricant SAE 85W-140 is a high-performance, extreme pressure multigrade gear oil designed for demanding applications in differentials, transaxles, and final drives. This premium lubricant exceeds API GL-5 specifications and meets SAE J2360 (formerly MIL-PRF-2105E) and API MT-1 requirements, providing exceptional protection for passenger cars and light truck rear wheel drive and four-wheel drive axles.

Key Features:

• Superior thermal durability that extends component life and reduces critical wear
• Extreme pressure formulation protects gears under heavy loads and high-stress conditions
• Multigrade viscosity (85W-140) balances low and high temperature performance
• Maintains sufficient oil film to prevent metal-to-metal contact between moving parts
• Advanced additive system resists oxidation and deposit buildup, even under extreme loads
• Optimized formulation reduces rust and friction for smoother operation

This 1-quart bottle is ideal for service fills in gearboxes, differentials, and other applications requiring API Service GL-5, SAE 85W-140 gear lubricant. Castrol's proven formulation ensures reliable protection for both conventional and hypoid gear systems.