The Sherwood 23977 Major Repair Kit is a comprehensive service kit designed to completely rebuild Sherwood raw water engine cooling pumps used on marine inboard engines. This complete overhaul kit contains all the essential internal components needed to restore your pump to optimal performance.
Kit Includes:
- Impeller (10615K)
- Mechanical seal assembly (12859)
- O-ring (12231)
- End cover gasket (12855)
- Two bearings (high-quality NTN or PEER)
- Wear plate
- Cam with mounting hardware
- Five snap rings
- Key and washer
Compatible Sherwood Pump Models: G3, G4, G5, G5-1, G7, G7B, G8, G26, G45-1, G45-2, G46, G50, G55-2, G56, G85, H-85, K90, L10, L10B, L80, L90, M71, M71-01, and G1009 series pumps.
This major repair kit is commonly used on marine engines from Chrysler Marine, OMC, Chris Craft, Cummins, Isuzu, Volvo Penta, Pleasurecraft Marine, and other manufacturers. Replaces Sherwood part numbers 12794, 12946, 13368, and 15852.
Important Note: When servicing M70, M71, or M71-01 model pumps, Sherwood part number 10514 lip seal should also be replaced (sold separately, not included in this kit).