Sherwood Major Repair Kit R991 Yamaha 4.3 5.0 5.7 18656 OEM IMPELLER SEAL CAM

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  • Regular price $119.99


This is the Major Kit to service your Sherwood / Yamaha Raw Water Sea Pump model.  The Sherwood part is R991 and the Yamaha part is 10100000

This is the complete major kit excluding the shaft.  We sell the kit without the camshaft and if you need a shaft shoot me a message.

All critical parts are OEM Sherwood parts including Impeller, Mechanical Seal,  and camshaft.

This Kit Includes the following parts:

  • 1 Camshaft, crush washer and cam screw
  • 3 small external retaining rings
  • 3 Stainless lock washers
  • 3 Stainless hex bolts
  • 1 OEM Graphite bushing (These do not wear as fast as the bronze bushings)
  • 1 Packet of Impeller Lube
  • 1 Dual contact bearing
  • 1 Impeller Key
  • 1 Impeller 9959   OEM SHERWOOD
  • 1 Internal retaining ring
  • 1 OEM Mechanical Sel SHERWOOD