Sonnax 33886-02 Oversized Pressure Regulator Valve for GM Transmissions - 4T40-E 4T45-E

The Sonnax 33886-02 is an oversized pressure regulator valve designed for GM 4T40-E and 4T45-E automatic transmissions. This valve allows technicians to refurbish worn valve body bores and restore proper hydraulic integrity to the transmission's pressure regulation system.

Key Features:

• Hard-coat anodized finish reduces wear and extends service life
• Additional spool with flats at the decrease circuit provides enhanced valve stability
• Prevents line pressure leakage for consistent hydraulic performance
• Works in both early and late OE applications (2000-earlier and 2000-later valve bodies)
• Oversized design allows refurbishment of worn valve body bores

The Sonnax valve mimics the design of the 2000-later OE valve, eliminating the internal cross drill found in earlier pressure regulator valves while maintaining compatibility with older valve bodies. This universal design simplifies inventory management and ensures proper fitment across model years.