WS325776
Rear crankshaft seal measuring 4.331 × 5.130 × 0.394" / 110.00 × 130.30 × 10.00 mm for selected GM 7.4 / 454 L19 and L29 engines.
WJB WS325776 is a one-piece rear crankshaft seal for selected Chevrolet and GMC 7.4 / 454 engines. Its dimensions correspond to the National/Timken 325776 seal family.
Application / fitment
The product is cataloged for selected 1991-2001 Chevrolet C/K 2500 and 3500, Suburban, Express, GMC Sierra/Savana, and Workhorse chassis with 7.4 / 454 L19 and L29 engines. It is the rear crankshaft seal used in applicable one-piece-seal designs.
- position: rear crankshaft
- shaft diameter: 4.331" / 110.00 mm
- outside diameter: 5.130" / 130.30 mm
- housing bore: 5.118" / 130.00 mm
- width: 0.394" / 10.00 mm
Inspect the crankshaft sealing surface, housing alignment, and bore cleanliness before installation. Drive the seal squarely with the correct tool without striking or rolling the working lip.
Technical information
- part type: rear crankshaft seal
- engines: GM 7.4 / 454 L19 and L29
- interchanges: National 325776, Timken 325776, and GM 10101164
- quantity required per engine: 1
- sale unit: 1 piece