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Sierra International Upper Unit Gear Set 1.98-1 Ratio 18-2205

Sierra International Upper Unit Gear Set 1.98-1 Ratio 18-2205

Sierra International Upper Unit Gear Set 1.98-1 Ratio 18-2205. 98:1 ratio. Designed for use with Mercruiser 120/140 (s/n 2791957 & Up) and Alpha Gen II (s/n 0K999999 & Below) drive units. The set includes one drive gear and one driven gear per package.... ... more

Sierra International Upper Unit Gear Set 1.98-1 Ratio 18-2205

Sierra International Upper Unit Gear Set 1.98-1 Ratio 18-2205. 98:1 ratio. Designed for use with Mercruiser 120/140 (s/n 2791957 & Up) and Alpha Gen II (s/n 0K999999 & Below) drive units. The set includes one drive gear and one driven gear per package....

Optics Planet

$791.70

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Sierra International 18-2204 Upper Unit Gear Set 18-2204

Sierra International 18-2204 Upper Unit Gear Set 18-2204

Sierra International 18-2204 Upper Unit Gear Set 18-2204. Features a ratio of 1.5:1. It is interchangeable with GLM 11210 and Mercruiser Stern Drive 43-18410A2 43-18411A2 43-59832A2 and 43-59832A4. Each Sierra product meets or exceeds the original... ... more

Sierra International 18-2204 Upper Unit Gear Set 18-2204

Sierra International 18-2204 Upper Unit Gear Set 18-2204. Features a ratio of 1.5:1. It is interchangeable with GLM 11210 and Mercruiser Stern Drive 43-18410A2 43-18411A2 43-59832A2 and 43-59832A4. Each Sierra product meets or exceeds the original...

Optics Planet

$791.70

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Best Seller
Sierra International Complete Upper Unit Assembly For 1.65-1 & 1.62-1 Ratios 18-2451

Sierra International Complete Upper Unit Assembly For 1.65-1 & 1.62-1 Ratios 18-2451

Sierra International Complete Upper Unit Assembly For 1.65-1 & 1.62-1 Ratios 18-2451. Designed to fit ratios 1.65:1 and 1.62:1. It is interchangeable with GLM 19200 and Mercruiser Stern Drive 1547-3917A16 1547-3917A30 1547-3917A38 1547-3917A4... ... more

Sierra International Complete Upper Unit Assembly For 1.65-1 & 1.62-1 Ratios 18-2451

Sierra International Complete Upper Unit Assembly For 1.65-1 & 1.62-1 Ratios 18-2451. Designed to fit ratios 1.65:1 and 1.62:1. It is interchangeable with GLM 19200 and Mercruiser Stern Drive 1547-3917A16 1547-3917A30 1547-3917A38 1547-3917A4...

Optics Planet

$2,683.03

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Sierra International 18-6352K Upper Unit Gear Repair Kit 18-6352K

Sierra International 18-6352K Upper Unit Gear Repair Kit 18-6352K

Sierra International 18-6352K Upper Unit Gear Repair Kit 18-6352K. Each Sierra product meets or exceeds the original equipment part it replaces. For: Gen II applications s/n range up to 0K999999 only. Features of Sierra International Upper Unit Gear... ... more

Sierra International 18-6352K Upper Unit Gear Repair Kit 18-6352K

Sierra International 18-6352K Upper Unit Gear Repair Kit 18-6352K. Each Sierra product meets or exceeds the original equipment part it replaces. For: Gen II applications s/n range up to 0K999999 only. Features of Sierra International Upper Unit Gear...

Optics Planet

$652.87

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Sierra International Upper Unit Gear Repair Kit 1.84-1 & 1.81-1 Ratio 18-2365

Sierra International Upper Unit Gear Repair Kit 1.84-1 & 1.81-1 Ratio 18-2365

Sierra International Upper Unit Gear Repair Kit 1.84-1 & 1.81-1 Ratio 18-2365. It features 1.84:1 and 1.81:1 ratios. The kit contains: (1) Sierra 18-2283 Shim Set (1) Sierra 18-2292 Shim Set (1) Sierra 18-2293 Shim Set (1) Sierra 18-1161 Tapered Roller... ... more

Sierra International Upper Unit Gear Repair Kit 1.84-1 & 1.81-1 Ratio 18-2365

Sierra International Upper Unit Gear Repair Kit 1.84-1 & 1.81-1 Ratio 18-2365. It features 1.84:1 and 1.81:1 ratios. The kit contains: (1) Sierra 18-2283 Shim Set (1) Sierra 18-2292 Shim Set (1) Sierra 18-2293 Shim Set (1) Sierra 18-1161 Tapered Roller...

Optics Planet

$919.63

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Sierra International Upper Unit Gear Repair Kit 1.98-1 1.91-1 & 2.40-1 Ratio 18-2363

Sierra International Upper Unit Gear Repair Kit 1.98-1 1.91-1 & 2.40-1 Ratio 18-2363

Sierra International Upper Unit Gear Repair Kit 1.98-1 1.91-1 & 2.40-1 Ratio 18-2363. It features 1.98:1 1.94:1 and 2.40:1 ratios. The kit contains: (1) Sierra 18-2820 Outdrive Gasket (1) Sierra 18-2840 Bell Housing Gasket (1) Sierra 18-2743 Outdrive... ... more

Sierra International Upper Unit Gear Repair Kit 1.98-1 1.91-1 & 2.40-1 Ratio 18-2363

Sierra International Upper Unit Gear Repair Kit 1.98-1 1.91-1 & 2.40-1 Ratio 18-2363. It features 1.98:1 1.94:1 and 2.40:1 ratios. The kit contains: (1) Sierra 18-2820 Outdrive Gasket (1) Sierra 18-2840 Bell Housing Gasket (1) Sierra 18-2743 Outdrive...

Optics Planet

$664.73

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Sierra International Upper Drive Shaft Assembly 18-2326

Sierra International Upper Drive Shaft Assembly 18-2326

Sierra International Upper Drive Shaft Assembly 18-2326. Includes one upper drive shaft assembly per package. It is interchangeable with GLM 22433 and Johnson/Evinrude Outboard 436232. Each Sierra product meets or exceeds the original equipment part it... ... more

Sierra International Upper Drive Shaft Assembly 18-2326

Sierra International Upper Drive Shaft Assembly 18-2326. Includes one upper drive shaft assembly per package. It is interchangeable with GLM 22433 and Johnson/Evinrude Outboard 436232. Each Sierra product meets or exceeds the original equipment part it...

Optics Planet

$364.90

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Sierra International Upper Drive Shaft Gear Repair Kit 18-2256

Sierra International Upper Drive Shaft Gear Repair Kit 18-2256

Sierra International Upper Drive Shaft Gear Repair Kit 18-2256. Features a ratio of 1.5:1. The kit contains: (1) Sierra 18-1142 Upper Pinion Bearing (1) Sierra 18-1160 Drive Bearing Kit (1) Sierra 18-1165 Tapered Roller Bearing (1) Sierra 18-2201 Upper... ... more

Sierra International Upper Drive Shaft Gear Repair Kit 18-2256

Sierra International Upper Drive Shaft Gear Repair Kit 18-2256. Features a ratio of 1.5:1. The kit contains: (1) Sierra 18-1142 Upper Pinion Bearing (1) Sierra 18-1160 Drive Bearing Kit (1) Sierra 18-1165 Tapered Roller Bearing (1) Sierra 18-2201 Upper...

Optics Planet

$783.45

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Sierra International Upper Swivel Gimbal Ring Shaft For MerCruiser Alpha/Gen Ii/Bravo I/Ii/III & Vazer 18-73131

Sierra International Upper Swivel Gimbal Ring Shaft For MerCruiser Alpha/Gen Ii/Bravo I/Ii/III & Vazer 18-73131

Sierra International Upper Swivel Gimbal Ring Shaft For MerCruiser Alpha/Gen Ii/Bravo I/Ii/III & Vazer 18-73131. It is interchangeable with Mallory 9-73131 and Mercruiser Stern Drive 98230A1. Check manufacturer recommendations to ensure a proper fit... ... more

Sierra International Upper Swivel Gimbal Ring Shaft For MerCruiser Alpha/Gen Ii/Bravo I/Ii/III & Vazer 18-73131

Sierra International Upper Swivel Gimbal Ring Shaft For MerCruiser Alpha/Gen Ii/Bravo I/Ii/III & Vazer 18-73131. It is interchangeable with Mallory 9-73131 and Mercruiser Stern Drive 98230A1. Check manufacturer recommendations to ensure a proper fit...

Optics Planet

$456.10

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Sierra International Complete Upper Gear Housing w/ 21-16 Ratio For OMC 5.7L/5.8L 18-4804

Sierra International Complete Upper Gear Housing w/ 21-16 Ratio For OMC 5.7L/5.8L 18-4804

Sierra International Complete Upper Gear Housing w/ 21-16 Ratio For OMC 5.7L/5.8L 18-4804. 7L (1986-1993) and 5.8L (1986-1989 1991-1993) I/O engines. The gear housing features a 21:16 ratio. It is interchangeable with OMC Stern Drive 983888 984770... ... more

Sierra International Complete Upper Gear Housing w/ 21-16 Ratio For OMC 5.7L/5.8L 18-4804

Sierra International Complete Upper Gear Housing w/ 21-16 Ratio For OMC 5.7L/5.8L 18-4804. 7L (1986-1993) and 5.8L (1986-1989 1991-1993) I/O engines. The gear housing features a 21:16 ratio. It is interchangeable with OMC Stern Drive 983888 984770...

Optics Planet

$4,305.78

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Sierra International Complete Lower Unit Assembly 18-2443

Sierra International Complete Lower Unit Assembly 18-2443

Sierra International Complete Lower Unit Assembly 18-2443. Includes one lower unit assembly per package. It is interchangeable with GLM 18100 and Mercruiser Stern Drive 1623-4110A13 1623-4110A4 1623-4110A6 1623-5356A18 1623-5356A19 1623-5356A20... ... more

Sierra International Complete Lower Unit Assembly 18-2443

Sierra International Complete Lower Unit Assembly 18-2443. Includes one lower unit assembly per package. It is interchangeable with GLM 18100 and Mercruiser Stern Drive 1623-4110A13 1623-4110A4 1623-4110A6 1623-5356A18 1623-5356A19 1623-5356A20...

Optics Planet

$2,625.75

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Sierra International Complete Upper Gear Housing w/ 21-18 Ratio For OMC 2.5L/3.0L/5.0L 18-4805

Sierra International Complete Upper Gear Housing w/ 21-18 Ratio For OMC 2.5L/3.0L/5.0L 18-4805

Sierra International Complete Upper Gear Housing w/ 21-18 Ratio For OMC 2.5L/3.0L/5.0L 18-4805. 5L (1986-1989) 3.0L (1986-1993) and 5.0L (1989-1993) I/O engines. The gear housing features a 21:18 ratio. It is interchangeable with OMC Stern Drive 983885... ... more

Sierra International Complete Upper Gear Housing w/ 21-18 Ratio For OMC 2.5L/3.0L/5.0L 18-4805

Sierra International Complete Upper Gear Housing w/ 21-18 Ratio For OMC 2.5L/3.0L/5.0L 18-4805. 5L (1986-1989) 3.0L (1986-1993) and 5.0L (1989-1993) I/O engines. The gear housing features a 21:18 ratio. It is interchangeable with OMC Stern Drive 983885...

Optics Planet

$4,412.63

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Sierra International 18-9856 Drive Gear Shimming Tool 18-9856

Sierra International 18-9856 Drive Gear Shimming Tool 18-9856

Sierra International 18-9856 Drive Gear Shimming Tool 18-9856. Designed for use with Mercruiser MC-I R-MR Alpha I and Alpha I/Gen II drive units. Includes one drive gear shimming tool per package. It is interchangeable with GLM 90180 and Mercury Marine... ... more

Sierra International 18-9856 Drive Gear Shimming Tool 18-9856

Sierra International 18-9856 Drive Gear Shimming Tool 18-9856. Designed for use with Mercruiser MC-I R-MR Alpha I and Alpha I/Gen II drive units. Includes one drive gear shimming tool per package. It is interchangeable with GLM 90180 and Mercury Marine...

Optics Planet

$421.25

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