Fr Module Allison 640/650 / Mt643 Series 72-up (raybestos)

Friction Module for Allison 640/650 & MT643 Series Automatic Transmissions (1972+)

Restore reliable shifting and extend the life of your Allison automatic transmission with this premium friction module from ATK. Engineered as a direct replacement for worn or burned clutch plates, this module delivers consistent engagement and smooth power transfer under demanding loads. Manufactured by ATK and featuring Raybestos friction materials, it is a trusted choice for rebuilders and fleet maintenance professionals.

Key Features

• Manufactured by ATK with Raybestos friction technology for dependable performance
• Direct-fit replacement for Allison 640, 650, and MT643 series automatic transmissions
• Engineered to handle heavy-duty torque loads and high-temperature operation
• Precision-cut friction plates promote smooth, consistent clutch engagement
• Ideal for transmission rebuilds, overhauls, and preventive maintenance

Compatibility

This friction module is compatible with Allison 640, 650, and MT643 series automatic transmissions from 1972 and up. It is designed to work with various vehicle brands that use these Allison transmissions, including Chevrolet, GMC, Ford, and Dodge medium-duty trucks, buses, and motorhomes. Always verify your transmission model and year before ordering.

Why Choose This Part?

When you need a friction module that stands up to heavy-duty use, ATK delivers quality you can rely on. This module combines Raybestos friction materials with ATK's manufacturing standards for a part that performs like OEM and lasts. Don't let worn friction plates compromise your transmission—order today and get your Allison back on the road with confidence.