Stellar Automotive Group Driven Sprocket Bearing for GM TH125/C 4T40E 1980-Up

Upgrade the reliability and smooth operation of your GM vehicle's transmission with this driven sprocket bearing distributed by Stellar Automotive Group.

Designed as a direct replacement for OEM part #8631190, it fits TH125/C (3T40) and 4T40E transmissions from 1980 onward, addressing common issues like unusual noises, vibrations, or erratic shifting caused by worn bearings in high-mileage automatics. This precision-engineered bearing supports the driven sprocket, ensuring proper alignment and efficient power transfer while reducing friction and preventing premature wear on surrounding components.

Compatible with a broad range of front-wheel-drive GM models including Chevrolet Cavalier, Beretta, Corsica, Malibu; Pontiac Sunbird, Grand Am, Sunfire; Buick Skylark, Century; Oldsmobile Achieva, Cutlass Ciera, Alero; and Saturn models with 4-cylinder or V6 engines.

Ideal for routine rebuilds or repairs, this bearing helps maintain optimal transmission performance under daily driving or demanding conditions, extending the life of your TH125/C or 4T40E unit and avoiding costly breakdowns.

• High-Quality Driven Sprocket Bearing compatible with GM TH125/C (3T40) and 4T40E transmissions for vehicles 1980 and up
• Direct replacement for OEM #8631190, resolving issues like transmission noise, vibration, or shifting problems from bearing wear
• Fits Chevrolet, Pontiac, Buick, Oldsmobile, and Saturn models such as Cavalier, Grand Am, Skylark, Alero, and Malibu with inline-4 or V6 engines
• Ensures smooth sprocket operation and power transfer, reducing friction and extending transmission durability in FWD automatics
• Precision construction for reliable fit and function, suitable for rebuilds or maintenance on aging GM transmissions
• Distributed by Stellar Automotive Group for assured quality and straightforward installation during service