Sonnax manual valve 28999-04 is a direct OE replacement for damaged or missing valves in GM Powerglides.
Learn More About Zip Valve™ Drop-In Repairs
- Wide-spool design is suitable for replacing both narrow and wide OE valves
- Hardened for improved wear resistance
- Precision-ground diameters for proper clearance
- Drop-in Zip Valve™ installs quickly and easily