Mcs / Extension Housing Allison AT540 / Mt640 Series (oem# 6778050)

Extension Housing Seal for Allison AT540 / MT640 Series Transmissions

This extension housing seal (MCS) is a direct-fit replacement for Allison AT540 and MT640 series automatic transmissions. Manufactured by Precision International to OEM specifications, it matches OEM part number 6778050 for a precise fit and dependable sealing performance. Keep your transmission free of leaks with this quality replacement seal.

Key Features

• Direct replacement for OEM part number 6778050
• Manufactured by Precision International to strict quality standards
• Prevents fluid leaks at the extension housing for long-lasting performance
• Durable construction designed for Allison AT540 / MT640 series applications
• Precision-fit seal ensures a secure, reliable installation

Compatibility

This extension housing seal is compatible with Allison AT540 and MT640 series transmissions. It is a direct-fit replacement for OEM part number 6778050 and fits various vehicle applications using these transmissions. Please verify your transmission model and OEM part number before ordering.

Why Choose This Part?

Precision International is a trusted name in transmission components, and this seal delivers OEM-quality fit and function at a competitive price. If you are servicing an Allison AT540 or MT640 series transmission, this seal is an excellent choice for restoring leak-free operation. Order now and get your transmission back on the road with confidence.