Mercruiser Forward & Reverse Gears

Sierra 18-2354 Carrier Seal for Mercury, MerCruiser Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable With: GLM 12341 Mallory 9-72642 MerCruiser Stern...

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Mercury - Mercruiser 8M0214948 Carrier Assy Genuine OEM Mercury/Mercruiser replacement engine part. Supersedes: 807929A-1 Special Order  

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Mercury 8M0173229 Automatic Transmission Fluid Engineered for harsh marine environments. Specifically formulated and recommended for use in Mercury Outboards, MerCruiser Inboards, and Tow Sport transmissions requiring DexronIII fluid. Meets...

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Mercury 8M0173230 Automatic Transmission Fluid - 1 Gal Engineered for harsh marine environments. Specifically formulated and recommended for use in Mercury Outboards, MerCruiser Inboards, and Tow Sport transmissions requiring DexronIII fluid...

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Gear Repair Kit - Special Order est. 10 Days

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Sierra 18-2357 Cross Pin for Mercury and Mercruiser Sierra replacement cross pin for Mercury Outboards and Mercruiser Stern Drives. Fits: I, MC-I, R, MR, Alpha One, Alpha One Gen II and Vazer Interchangeable...

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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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Mercruiser 43-828073A-1 Reverse Gear Kit Genuine OEM Mercury-Mercruiser part. Fits: Alpha I Gen II 21 Teeth Application: Alpha One (Gen II) 1998 & Up - s/n 0L100040 & up Alpha One (Gen II) 1996-1997 - s/n 0F680000 thru...

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Mercruiser 43-878087A-2 Forward Gear Set Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (except 2.00 & 2.40 ratio) (s/n 0F680000 and above) 13‑21 Teeth  Standard Rotation (RH) Special Order Item.

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Mercruiser 43-96084A-7 Forward Gear Set Genuine OEM Mercruiser part. Application: R/MR/Alpha One (Sterndrive) 1983-1990 (s/n 6225577 thru 0F386995) R/MR/Alpha One (Transom Assembly) 1983-1990 (s/n 6216687 thru 0F386995) Special Order Item.

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Mercury - Mercruiser 1623-8951A37 Gc Alpha -Basic Genuine OEM Mercury-Mercruiser part. Special Order Item

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Mercury - Mercruiser 43-84810T Reverse Gear

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Mercury - Mercruiser 43-878087A-4 Gear Set-21T Genuine OEM Mercury-Mercruiser part. Special Order Item.

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Mercury - Mercruiser 53-27290 Retain Ring

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Mercury - Mercruiser 818763A10 Carrier Assy-Brg Genuine OEM Mercury-Mercruiser part. Special Order Item

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Mercury-Mercruiser 32520 Drive Shaft/Bell Housing Reverse Hook For drive shaft housing & bell housing assembly groups on Mercruiser stern drive engines. Fits: Mercruiser 120/140 (1967-1969 2062141 Thru 2791956) Mercruiser 160 (1967-1969 2065190...

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Sierra Clutch Cross Pin Spring Special Order est. 10 Days For use on Mercury/Mariner Outboard Engines 70, 75, 80, 90, (serial # A996142 & later), 100, 115, 125, 4 cyl. (serial # B209468 & later), Mercruiser - MR/Alpha  I/O, 1MC-1/R/MR/Alpha...

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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 18-2405 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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