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Powerglide

Manual Valve
Part No. 28999-04

Sonnax manual valve 28999-04 is a direct OE replacement for damaged or missing valves in GM Powerglides.

  • Wide-spool design is suitable for replacing both narrow and wide OE valves
  • Heat-treated for improved wear resistance
  • Precision-ground diameters for proper clearance
  • 28999 04