St Module / Gm Th200-4r / 325-4l 81+

Steel Module for GM TH200-4R & 325-4L Automatic Transmissions 1981+

Restore proper shift performance in your GM automatic transmission with this premium steel module from Allomatic. Engineered as a direct-fit replacement for the TH200-4R and 325-4L units used in Chevrolet and GM vehicles from 1981 onward, this module delivers reliable hydraulic control for everyday driving. Whether you are servicing a daily driver or completing a rebuild, this component offers the quality and fitment you expect.

Key Features

• Precision-manufactured steel construction for durability and consistent performance
• Direct replacement for GM TH200-4R and 325-4L automatic transmissions
• Engineered by Allomatic, a trusted name in transmission components
• Helps restore correct shift timing and hydraulic pressure control
• Ideal for transmission rebuilds, repairs, and routine maintenance

Compatibility

This steel module is compatible with Chevrolet and Chevrolet/GM vehicles equipped with the TH200-4R or 325-4L automatic transmission from 1981 and later. Please verify your transmission model and year before ordering to ensure proper fitment.

Why Choose This Part?

When your transmission needs dependable hydraulic control, this Allomatic steel module provides a quality solution without the guesswork. It is built to meet or exceed original specifications, making it a smart choice for professional technicians and DIY rebuilders alike. Order now and get your GM transmission shifting smoothly again.