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Mercruiser V8-4.3L, 5.0L, 5.7L & 6.2L "Dry Joint" Spacers

All models: Carbureted, MPI, inboard, Alpha & Bravo sterndrives

Mercruiser V8-4.3L, 5.0L, 5.7L & 6.2L "Dry Joint" Spacers
Part Number Description
MC-20-864908A1 Direct replacement 6" spacer kit. Replaces MerCruiser part number 864908A1. Kit includes a pair of spacers, mounting hardware and gaskets for raw water cooled applications. Need to purchase additional block off gaskets for closed cooled applications. Sold as shown.
MC-20-864929A3 Direct replacement 3" spacer kit. Replaces MerCruiser part number 864929A 3. Kit includes a pair of spacers, mounting hardware and gaskets for raw water cooled applications. Need to purchase additional block off gaskets for closed cooled applications. Sold as shown.
MC-20-864908A1P 6" spacer mounting package. Includes all items less the spacers and brackets. Not shown separate.
MC-20-864908A1P 3" spacer mounting package. Includes all items less the spacers and brackets. Not shown separate.
MC-47-27-864850 Direct replacement restrictor gasket. Replaces MerCruiser part number 864850A02. Please refer to supplied directions or OEM information for proper installation procedures.
MC47-27-864547 Direct replacement full flow gasket. Replaces MerCruiser part number 864547A02. Please refer to supplied directions or OEM information for proper installation procedures.
MC-47-27-864549 Direct replacement block off gasket. Replaces MerCruiser part number 864549A02. Please refer to supplied directions or OEM information for proper installation procedures.
50-170-210 Replacement spacer mounting bolts. Replaces MerCrusier part number 865982005 (to be used with 3/8" lockwasher). Dimensions of bolt is 3/8"-16 x 1.00".
50-170-275 Replacement riser mounting and 6" spacer block mounting bolt. Replaces MerCruiser part number 865982057 (to be used with 3/8" lockwasher). Dimensions of bolt is 3/8"-16 x 7.50".
50-170-295 Replacement riser mounting and spacer block mounting bolt. Replaces MerCruiser part number 865982077 (to be used with 3/8" lockwasher). Dimensions of bolt is 3/8"-16 x 10.50".
Note
  • Always use the correct riser gasket for your application. Please refer to the correct guide for proper installation.
  • Improperly installed gaskets, leaks or damage caused by improperly installed products are not covered by your Barr Marine warranty.
  • Gaskets are not subject to exchange or refund under any circumstances.