ACDelco 87828919 GM Genuine Parts Transfer Case Oil Pump

The ACDelco 87828919 GM Genuine Parts Transfer Case Oil Pump is a genuine OEM gerotor-style pump designed for GM four-wheel drive transfer cases. This essential component maintains proper lubrication throughout the transfer case by circulating fluid under pressure to critical components including front bearings, planetary gears, and drive sprocket sleeves.

Key Features:

• Genuine GM OEM part designed and tested to rigorous factory standards
• Gerotor-style pump mechanism driven directly by the transfer case mainshaft
• Provides continuous forced lubrication during transfer case operation
• Critical for preventing fluid starvation in front bearings and clutch packs
• Essential component for proper transfer case function and longevity

This pump operates whenever the transfer case drive chain is in motion, ensuring constant fluid circulation to areas that require forced lubrication beyond splash lubrication alone. Proper pump function is critical for transfer case durability and preventing premature bearing failure due to insufficient lubrication.