Superior Valve Body Kit For GM 4L30E Transmissions 1990-2005

Superior Transmission Parts Valve Body Kit for GM 4L30E automatic transmissions, model years 1990-2005.

Manufacturer Part Number: K4L30E

This Superior shift correction package is designed for regular and heavy-duty 4L30E transmission applications. It supports valve body hydraulic service and helps address common operating concerns associated with the 4L30E, including:

• Bell-housing gasket blowout

• Case leakage at the servo core

• Weak or inconsistent shifts

• Torque-converter lock-up chatter

• Lubrication-related wear concerns

• Conditions that may contribute to premature clutch and band failure

The kit is intended for use during qualified transmission repair, rebuild, or valve body service. Confirm the transmission model and application before purchase, as fitment can vary by vehicle configuration. Use the OE-specified ATF during service; Lubegard ATF Protectant is a useful addition to a complete transmission fluid maintenance routine.

Includes: Superior Transmission Parts K4L30E Valve Body Kit only. Contents are limited to the components supplied by the manufacturer.