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Mercruiser Forward & Reverse Gears

8571
guidebook

Parts Selection Guide

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Prop Selection Guide

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      • Sierra 18-3751 Spanner Nut Replaces 8M2011027
        List Price: $23.49
        Starting At: $16.49

        Sierra 18-3751 Spanner Nut for Mercury & Mercruiser Engines For IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One, Gen II, Vazer, TRS, Bravo I & IX Interchangeable with: GLM 21120 Mallory 9-72155 Mercruiser Stern...

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      • Sierra 18-2202 Sliding Clutch
        List Price: $237.75
        Starting At: $166.43

        Sierra 18-2202 Sliding Clutch Sierra replacement sliding clutch for Mercruiser Stern Drive and Mercury Marine engines. Fits 888 s/n 3784375 & up Fits #1 Units s/n 3469428 & up Interchangeable...

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      • Sierra 18-2200 Gear Set
        List Price: $748.54
        Starting At: $523.98

        Sierra 18-2200 Gear Set Sierra replacement lower unit gear set for Mercruiser. For 888 s/n 3106717 & up For #1 units s/n 3469428 & up except MR/Alpha unit (which have no pre-load pin top drive shaft) Interchangeable...

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      • Sierra 18-2368 Lower Gearcase Seal
        List Price: $777.49
        Starting At: $691.99

        Sierra 18-2368 Lower Gearcase Seal Sierra replacement lower gearcase seal for Mercruiser Alpha/Gen II 1996-97 Interchangeable with: Mercruiser Stern Drive 43-803071T1 Application: Mercruiser Stern Drive Alpha One Gen II 1996-1997 s/n...

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      • Sierra 18-2369 Lower Gearcase Seal
        List Price: $751.99
        Starting At: $669.49

        Sierra 18-2369 Lower Gearcase Seal Sierra replacement lower gearcase seal for Mercruiser Alpha/Gen II 1991-95. Interchangeable with: GLM 25135 Mercruiser Stern Drive 43-803069T1 Application: Mercruiser Stern Drive Alpha One Gen...

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      • Sierra 18-2405 Gear Repair Kit Replaces 43-803091T1
        List Price: $941.18
        Starting At: $658.83

        Sierra 18-2405 Mercruiser Gear Repair Kit for MR and Alpha 1 Drives Sierra high-quality engine parts are designed to meet OEM specifications.  Kit Includes: (1) 18-1117 Pinion Bearing (1) 18-1143 Tapered Roller Bearing (1) 18-1155 Ball...

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      • Sierra 18-2407 Gear Set
        List Price: $721.49
        Starting At: $504.99

        Sierra 18-2407 Gear Set for Mercruiser MR/Alpha/Gen 2 Lower Gear Housings Sierra replacement gear set for MR/Alpha One/Gen II engines. Set Contains: (1) 18-1117 Pinion Bearing (1) 18-1143 Tapered Roller Bearing (1) 18-1155 Ball Bearing (1)...

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