Frst Module / 4l40e / 5L40E / 5l50e 1999-on (w/36 Ext Teeth On 2nd Coast)

Friction and Steel Module for 5L40E, 5L50E Transmissions | Various Brands | 1999+

Restore shift quality and extend transmission life with this premium Friction and Steel Module, engineered specifically for 5L40E, 5L50E, and 4L40E units from 1999 and up. Manufactured by Alto Products, a trusted name in transmission components, this module features 36 external teeth on the 2nd coast clutch for precise engagement and durability. Whether you're rebuilding a worn unit or upgrading for heavy-duty use, this module delivers reliable performance you can count on.

Key Features

• Direct-fit replacement for 5L40E, 5L50E, and 4L40E transmissions (1999-on)
• Includes 36 external teeth on the 2nd coast clutch for exact OE-style operation
• Manufactured by Alto Products to strict quality control standards
• High-quality friction and steel construction for consistent shifting and long service life
• Ideal for transmission rebuilds, repairs, and performance upgrades

Compatibility

This Friction and Steel Module is compatible with 5L40E, 5L50E, and 4L40E transmissions from Various vehicle brands, model years 1999 and newer. It is designed as a direct replacement for the original module, ensuring a seamless fit and reliable function. Please verify your transmission code and 2nd coast clutch tooth count before ordering.

Why Choose This Part?

When you need a dependable solution for your transmission rebuild, this Alto Products module offers the quality and precision that professionals trust. Its exact tooth count and durable construction help eliminate slippage and restore smooth shifting. Don't settle for less—order now and get your vehicle back on the road with confidence.