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Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1

  • Part #: GLM25110


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Lower Unit Seal And Bearing Kit For Mercruiser R Drive
1974 to 1982 with Preload Pin on the Vertical Drive Shaft. The Preload pin is a small 1/4 inch diameter by about 5/8 high pin that sticks out of the lower unit drive shaft. This model outdrive is called the R and #1. NOT ALPHA 1. In addition to the preload pin the #1 and R drives will NOT have a retaining nut under the water pump housing. Includes Bearings Gaskets Shims and Seals for the lower unit.
OEM: 31-803068T1

Kits Contain:
11190 11-35921 Pinion Nut
11380 14-79447 Keyed Washer
11410 31-30956T Roller Bearing
21570 31-53079A1 T. Roller Bearing
21590 31-35928T1 T. Roller Bearing
21600 31-92366A1 Bearing
21620 30-88957T Bearing
23220 15-47397A1 Shim
23300 15-57007A1 Shim
87510 26-33144A2 Gearcase Seal Kit


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