Mercruiser Upper Unit Gears

Sierra 18-2204 Mercruiser 1.84:1 Upper Unit Gear Set For 1.84:1 Ratio Drives. Drive Gear = 17 teeth; Driven Gear = 19 teeth. For V6 and 470/485 (4 cyl. etc.) and Gen II (S/N K999999 & Below) Interchangeable with: GLM 11230 Mercruiser...

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Mercruiser 1.5:1 Upper Gear Kit by Sierra For Most V8 Drives with a 1.5:1 Ratio. Kit Includes: 18-2201 - Upper Unit Gear Set 18-2648 - Seal Kit 18-2619-1 - Outdrive Gasket Set 18-2820 - Drive Shaft Housing to Bell Housing Gasket (27-64818) 18-2743 -...

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Sierra 18-2257 Mercruiser 1.65:1 Upper Gear Kit Sierra replacement Upper Gear Kit for Mercruiser Inline 6 Cylinder Engines with a 1.65:1 Gear Ratio. Ratio: 1.65:1 Driver Gear: 24 teeth Driven Gear: 24 teeth For: 6 cyl. inline engines Kit...

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Sierra 18-2364 Mercruiser Upper Unit Gear Repair Kit Sierra replacement upper unit gear repair kit for Mercruiser Gen II applications s/n range up to 0K999999 only. Ratio: 1.65:1 & 1.62:1 Teeth: 24-24 Interchangeable...

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Mercruiser Generation II (1998 & Up) Serial Number OL100040 & Up) Gen II 1.62:/2.00:1 Ratio (24-24 teeth) Can be used 18-2417 Complete Upper Gear Case Replaces: Mercury 43-853640A 2 GLM 11222

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Mercruiser Generation II (1998 & Up) Serial Number OL100040 & Up) Upper Unit Gear Kit by Sierra Includes gears, gaskets orings, and seals. For 1:65:1 & 1.62:1 gear ratio. Replaces 43-803104T1.

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1.47:1 Ratio Upper Unit Gear Repair Kit For Gen II (1998 & Up) (s/n 0L100040 & Up) Replaces: Mercury 43-803103T 1 GLM 11217

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