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Mercruiser Upper Unit Gears

      • Sierra 18-2259 Upper Gear Kit Replaces 43-803101T1
        List Price: $828.11
        Starting At: $579.67

        Sierra 18-2259 Mercruiser 1.98:1 Upper Gear Kit Sierra high-quality engine parts are designed to meet OEM specifications. For 4 Cylinder Engines (120/140) with a 1.98:1 Gear Ratio. Drive Gear: 20 teeth Driven Gear: 24 teeth Gear Kit...

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      • Sierra 18-2204 Gear Set Replaces 43-75325A3
        List Price: $456.94
        Starting At: $319.86

        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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      • Sierra 18-2257 Upper Gear Kit
        List Price: $624.63
        Starting At: $437.24

        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 18-2358 Upper Unit Gear Repair Kit
        List Price: $700.19
        Starting At: $490.13

        Sierra 18-2358 Mercruiser 1.5:1 Upper Unit Gear Repair Kit Sierra Upper Unit Gear Repair Kit for Mercruiser Gen II applications s/n range up to 0K999999 only. Ratios: 1.50:1 (1.47:1) Teeth: 20-22 Interchangeable...

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      • Sierra 18-2363 Upper Unit Gear Repair Kit Replaces 43-803118T1
        List Price: $604.47
        Starting At: $423.13

        Sierra 18-2363 Mercruiser 1.98:1 Upper Unit Gear Repair Kit Sierra Upper Unit Gear Repair Kit is for use on Mercruiser Gen II applications s/n range up to 0K999999 only. Ratios: 1.98:1 (1.94:1/2.40:1) Teeth: 20-24 Interchangeable...

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      • Sierra 18-6353 Upper Gear Kit
        List Price: $381.82
        Starting At: $267.27

        Sierra 18-6353 Upper Gear Kit Sierra replacement upper gear kit for Mercruiser Vazer, and Alpha I Gen II 1998 & Up (s/n 0L00040 & up) Interchangeable with: GLM 11238 Mercruiser Stern Drive 43-853643A2 Application: Mercruiser...

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