Mercruiser Upper Unit Gears

      • Sierra 18-2201 Gear Set Replaces 43-18411A2
        List Price: $601.49
        Starting At: $303.53

        Sierra 18-2201 Mercruiser 1.5:1 Upper Unit Gear Set Sierra replacement engine parts are designed to meet OEM specifications. 18-2201 Upper Unit Gear Set is for most V8 Drives and Gen II (S/N K999999 & Below). Drive Gear: 22 Teeth Driven Gear: 20...

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      • Sierra 18-2205 Gear Set Replaces 43-55778A3
        List Price: $397.99
        Starting At: $276.45

        Sierra 18-2205 Mercruiser 1.98:1 Upper Unit Gear Set For 1.98:1 Ratio Drives. Drive Gear = 20 teeth; Driven Gear = 24 teeth. For 120/140 (S/N 2791957 & UP) and Gen II (S/N K999999 & Below) Interchangeable with: GLM 11240 Mercruiser...

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      • Sierra 18-2259 Upper Gear Kit Replaces 43-803101T1
        List Price: $827.99
        Starting At: $418.13

        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 18-2256 Upper Gear Kit Replaces 43-803116T1
        List Price: $698.99
        Starting At: $434.45

        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 Upper Gear Kit
        List Price: $870.99
        Starting At: $439.80

        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: $1,057.99
        Starting At: $533.99

        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 18-6350 Upper Gear Kit
        List Price: $708.99
        Starting At: $410.95

        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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      • Sierra 18-6351 Upper Gear Kit
        List Price: $701.99
        Starting At: $416.45

        Mercruiser 1.47:1 Ratio Upper Gear Kit For Generation II (1998 & Up) 1.47:1 Ratio (20-22 Teeth) Used with 18-2416 Complete Upper Gear Case Replaces: Mercury 43-853641A 2 GLM 11214

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      • Sierra 18-6352 Upper Gear Kit
        List Price: $701.99
        Starting At: $416.45

        Gen II & Vazer (1.94:1 & 2.40:1 Ratios) Upper Gear Set For Alpha Gen II and Vazer 1.94:1 and 2.40:1 Ratios (20 - 24 Teeth) Used with 18-2411 Drive Shaft Housing Assembly and 18-2419 Complete Upper Gear Case Replaces: Mercury 43-853642A 2 GLM 11244

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      • Sierra 18-6352K Upper Unit Gear Repair Kit
        List Price: $808.99
        Starting At: $484.95

        Gen II Upper Unit Gear Repair Kit For Gen II (1998 & Up) (s/n 0L 100040 & Up) 1.94:1 and 2.40:1 Ratio Replaces: Mercury 43-803106T 1 GLM 11247

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      • Sierra 18-6353 Upper Gear Kit
        List Price: $663.99
        Starting At: $335.12

        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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