Mercruiser Upper Unit Gears

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 18-6353 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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Mercruiser 43-883479A-2 Upper Unit Gear Set - (30/23) Genuine OEM Mercury-Mercruiser part. Replacement upper unit gear set for Mercruiser sterndrives. Fits: Bravo I & Perf. (1.65), II (2.20) & III (2.20 & 2.43) - s/n 0M100001 -...

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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 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 18-2358 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 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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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 18-2258 Mercruiser 1.84:1 Upper Unit Gear Set Sierra replacement upper unit gear set with Mercruiser Stern Drives. For 6 Cylinder Engines (470/485) with a 1.84:1 Gear Ratio. Ratio: 1.84:1 Drive Gear: 17 teeth Driven Gear: 19 teeth For: V-6...

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Upper unit gear repair kit for Mercruiser. Replaces part number 43-803120T1. For 17-19 teeth, 1.84:1 ratio. Gen II applications up to 0K999999

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Gen II 1.81:1 Gear Ratio Upper Unit Gear Repair Kit Includes gears, gaskets, seals and orings. For Gen II 1998 & Up (S/N OL100040 & Up) 1.81:1 Gear Ratio Replaces: Mercury 43-803105T 1 GLM 11237

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Mercruiser 43-18411A-2 Upper Gear Set - 1.50:1 Genuine OEM Mercury-Mercruiser part. Fits: MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1971‑1997) 22-20 Teeth 1.50/1.47 Ratio Special Order Item.

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Mercruiser 43-18411A-4 Upper Gear Set Genuine OEM Mercury-Mercruiser part. For use w/ heavy duty 1.50 gears only. The HD 1.50 drive gear has a stepped bearing surface requiring the use of a special bearing kit having 2 different I.D...

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Mercruiser 43-45814A-5 Upper Gear Set - 1.65:1 Genuine OEM Mercury-Mercruiser part. Fits: MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1970‑1997) 24-24 Teeth 1.65/1.62 Ratio Special Order Item.

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Mercruiser 43-55778A-3 Upper Gear Set - 1.98:1 Genuine OEM Mercury-Mercruiser part. Fits: MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1970‑1997) 20-24 Teeth 1.98/1.94 & 2.40 Ratio Special Order Item.

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Mercruiser 43-853640A-2 Upper Gear Set - 1.62/2.0 Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) 24-24 Teeth 1.62 & 2.00 Ratio Special Order Item.

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Mercruiser 43-853641A-2 Upper Gear Set - 1.47 Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) 22-20 Teeth 1.47 Ratio Special Order Item.

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Mercruiser 43-853642A-2 Upper Gear Set - 1.94/2.4 Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) and Vazer drive 20-24 Teeth 1.94 & 2.40 Ratio Alpha One Gen II 2.77 Ratio...

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Mercruiser 43-853643A-2 Upper Gear Set - 1.81 Genuine OEM Mercury-Mercruiser part. Fits:  Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) & Vazer drive 17-19 Teeth 1.81 Ratio Alpha One Gen II 2.58 Ratio Vazer Special...

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Mercruiser 43-887906A-1 Bravo Upper Gear Set Genuine OEM Mercury-Mercruiser part. Fits: Bravo I X & XZ (1.36), II X (1.50 & 1.81) & III X (1.36 & 1.81) (2000 & newer) 27/29 Teeth Special Order Item.

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