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Best Seller
Sierra International Premier Pro 3in Speedometer Kit - 80 Mph Pitot Type Black 62723P

Sierra International Premier Pro 3in Speedometer Kit - 80 Mph Pitot Type Black 62723P

Sierra International Premier Pro 3in Speedometer Kit - 80 Mph Pitot Type Black 62723P. Black dial white gradations/numerals (metrics in blue) and a white pointer staff. Features a scratch resistant curved glass lenses with black near-flush bezels.... ... more

Sierra International Premier Pro 3in Speedometer Kit - 80 Mph Pitot Type Black 62723P

Sierra International Premier Pro 3in Speedometer Kit - 80 Mph Pitot Type Black 62723P. Black dial white gradations/numerals (metrics in blue) and a white pointer staff. Features a scratch resistant curved glass lenses with black near-flush bezels....

Optics Planet

$174.99

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Sierra International High Amp 120A Alternator For Yanmar 2Gm/3Hm/4Jm Series 18-6971

Sierra International High Amp 120A Alternator For Yanmar 2Gm/3Hm/4Jm Series 18-6971

Sierra International High Amp 120A Alternator For Yanmar 2Gm/3Hm/4Jm Series 18-6971. The alternator features a 120A rating. Designed for diesel applications. Each Sierra product meets or exceeds the original equipment part it replaces. Features of... ... more

Sierra International High Amp 120A Alternator For Yanmar 2Gm/3Hm/4Jm Series 18-6971

Sierra International High Amp 120A Alternator For Yanmar 2Gm/3Hm/4Jm Series 18-6971. The alternator features a 120A rating. Designed for diesel applications. Each Sierra product meets or exceeds the original equipment part it replaces. Features of...

Optics Planet

$241.52

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Best Seller
Sierra International 18-4637 Piston Kit 18-4637

Sierra International 18-4637 Piston Kit 18-4637

Sierra International 18-4637 Piston Kit 18-4637. It is interchangeable with Mercury Marine 783-9613A2 and 783-9613T2. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International Piston Kit Designed for... ... more

Sierra International 18-4637 Piston Kit 18-4637

Sierra International 18-4637 Piston Kit 18-4637. It is interchangeable with Mercury Marine 783-9613A2 and 783-9613T2. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International Piston Kit Designed for...

Optics Planet

$264.29

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Sierra International Complete Gearcase Seal Kit 18-8357

Sierra International Complete Gearcase Seal Kit 18-8357

Sierra International Complete Gearcase Seal Kit 18-8357. Designed to be interchangeable with the following: Mallory 9-77900 Volvo Penta 875741 876266. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra... ... more

Sierra International Complete Gearcase Seal Kit 18-8357

Sierra International Complete Gearcase Seal Kit 18-8357. Designed to be interchangeable with the following: Mallory 9-77900 Volvo Penta 875741 876266. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra...

Optics Planet

$307.94

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Sierra International Lower Shift Cable Kit Glm 21440 18-2600

Sierra International Lower Shift Cable Kit Glm 21440 18-2600

Sierra International Lower Shift Cable Kit Glm 21440 18-2600. Designed to be interchangeable with the following: GLM 21440. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International 182600 Lower... ... more

Sierra International Lower Shift Cable Kit Glm 21440 18-2600

Sierra International Lower Shift Cable Kit Glm 21440 18-2600. Designed to be interchangeable with the following: GLM 21440. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International 182600 Lower...

Optics Planet

$201.50

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Sierra International Overhaul Kit 18-2591

Sierra International Overhaul Kit 18-2591

Sierra International Overhaul Kit 18-2591. The kit includes: gaskets seals sealing rings bronze plates and steel plates. Built with quality materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra... ... more

Sierra International Overhaul Kit 18-2591

Sierra International Overhaul Kit 18-2591. The kit includes: gaskets seals sealing rings bronze plates and steel plates. Built with quality materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra...

Optics Planet

$444.41

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Sierra International Piston Kit Chrysler 700 834800A4 18-4632

Sierra International Piston Kit Chrysler 700 834800A4 18-4632

Sierra International Piston Kit Chrysler 700 834800A4 18-4632. Each Sierra product meets or exceeds the original equipment part it replaces. Features bore size and style of 3.375 / Standard. Features of Sierra International 184632 Piston Kit Chrysler... ... more

Sierra International Piston Kit Chrysler 700 834800A4 18-4632

Sierra International Piston Kit Chrysler 700 834800A4 18-4632. Each Sierra product meets or exceeds the original equipment part it replaces. Features bore size and style of 3.375 / Standard. Features of Sierra International 184632 Piston Kit Chrysler...

Optics Planet

$196.97

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Sierra International 18 3606 Thermostat Kit 18-3606D

Sierra International 18 3606 Thermostat Kit 18-3606D

Sierra International 18 3606 Thermostat Kit 18-3606D. The kit contains two 18-3535 Thermostats and two 18-3675 Thermostat Cover Gaskets. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International... ... more

Sierra International 18 3606 Thermostat Kit 18-3606D

Sierra International 18 3606 Thermostat Kit 18-3606D. The kit contains two 18-3535 Thermostats and two 18-3675 Thermostat Cover Gaskets. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International...

Optics Planet

$283.27

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Sierra International 18-3606 Thermostat Kit 18-3606

Sierra International 18-3606 Thermostat Kit 18-3606

Sierra International 18-3606 Thermostat Kit 18-3606. The kit contains (2) 18-3535 Thermostats and (2) 18-3675 Thermostat Cover Gaskets. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International... ... more

Sierra International 18-3606 Thermostat Kit 18-3606

Sierra International 18-3606 Thermostat Kit 18-3606. The kit contains (2) 18-3535 Thermostats and (2) 18-3675 Thermostat Cover Gaskets. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International...

Optics Planet

$283.27

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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 Stator And Kit 18-5873

Sierra International Stator And Kit 18-5873

Sierra International Stator And Kit 18-5873. Each Sierra product meets or exceeds the original equipment part it replaces. For: Mercury 100 115 125 HP. Use with 18-5870 rotor. Features of Sierra International 185873 Stator And Kit Sierra Stator and Kit... ... more

Sierra International Stator And Kit 18-5873

Sierra International Stator And Kit 18-5873. Each Sierra product meets or exceeds the original equipment part it replaces. For: Mercury 100 115 125 HP. Use with 18-5870 rotor. Features of Sierra International 185873 Stator And Kit Sierra Stator and Kit...

Optics Planet

$534.50

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Sierra International 18-4109 Piston Kit 18-4109

Sierra International 18-4109 Piston Kit 18-4109

Sierra International 18-4109 Piston Kit 18-4109. It is interchangeable with Mercury Marine 783-9613A2 and 783-9613T2. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International Piston Kit Designed for... ... more

Sierra International 18-4109 Piston Kit 18-4109

Sierra International 18-4109 Piston Kit 18-4109. It is interchangeable with Mercury Marine 783-9613A2 and 783-9613T2. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International Piston Kit Designed for...

Optics Planet

$254.81

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Sierra International 18-2604 Lower Shift Cable Kit 18-2604

Sierra International 18-2604 Lower Shift Cable Kit 18-2604

Sierra International 18-2604 Lower Shift Cable Kit 18-2604. Each Sierra product meets or exceeds the original equipment part it replaces. Contains shift cable (18-2145) shift cable guide (18-2149) outdrive gasket (18-2615) and shift cable bellows... ... more

Sierra International 18-2604 Lower Shift Cable Kit 18-2604

Sierra International 18-2604 Lower Shift Cable Kit 18-2604. Each Sierra product meets or exceeds the original equipment part it replaces. Contains shift cable (18-2145) shift cable guide (18-2149) outdrive gasket (18-2615) and shift cable bellows...

Optics Planet

$218.33

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Sierra International Tournament Drive Bracket Kit And Adjustable Tiebar Twin Engine/Single Cylinder HA5521

Sierra International Tournament Drive Bracket Kit And Adjustable Tiebar Twin Engine/Single Cylinder HA5521

Sierra International Tournament Drive Bracket Kit And Adjustable Tiebar Twin Engine/Single Cylinder HA5521. This new series of hardware kits will allow the consumer to take full advantage of all the features and benefits of our heavy-duty adjustable... ... more

Sierra International Tournament Drive Bracket Kit And Adjustable Tiebar Twin Engine/Single Cylinder HA5521

Sierra International Tournament Drive Bracket Kit And Adjustable Tiebar Twin Engine/Single Cylinder HA5521. This new series of hardware kits will allow the consumer to take full advantage of all the features and benefits of our heavy-duty adjustable...

Optics Planet

$217.08

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Sierra International Lido Pro Outboard Instrument Set 4 Gauge 67669P

Sierra International Lido Pro Outboard Instrument Set 4 Gauge 67669P

Sierra International Lido Pro Outboard Instrument Set 4 Gauge 67669P. Red through-dial and white perimeter lighting provide a great night readability. Contains four gauges: Fuel gauge 65 MPH Speedometer Tachometer and 12-Volt Volt Meter. Fog resistant... ... more

Sierra International Lido Pro Outboard Instrument Set 4 Gauge 67669P

Sierra International Lido Pro Outboard Instrument Set 4 Gauge 67669P. Red through-dial and white perimeter lighting provide a great night readability. Contains four gauges: Fuel gauge 65 MPH Speedometer Tachometer and 12-Volt Volt Meter. Fog resistant...

Optics Planet

$470.69

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Sierra International Gimble House Rebuild Kit 18-8313

Sierra International Gimble House Rebuild Kit 18-8313

Sierra International Gimble House Rebuild Kit 18-8313. The kit includes (1) 18-2756 U-Joint Bellows and (1) 18-1710 Flange Ring Bellow. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International... ... more

Sierra International Gimble House Rebuild Kit 18-8313

Sierra International Gimble House Rebuild Kit 18-8313. The kit includes (1) 18-2756 U-Joint Bellows and (1) 18-1710 Flange Ring Bellow. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International...

Optics Planet

$619.67

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Sierra International 18-5297 Electronic Conversion Kit 18-5297

Sierra International 18-5297 Electronic Conversion Kit 18-5297

Sierra International 18-5297 Electronic Conversion Kit 18-5297. Each Sierra product meets or exceeds the original equipment part it replaces. Replaces points & condensers for true solid state ignition. Uses standard coil cap & rotor. Features of Sierra... ... more

Sierra International 18-5297 Electronic Conversion Kit 18-5297

Sierra International 18-5297 Electronic Conversion Kit 18-5297. Each Sierra product meets or exceeds the original equipment part it replaces. Replaces points & condensers for true solid state ignition. Uses standard coil cap & rotor. Features of Sierra...

Optics Planet

$225.98

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Sierra International Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5239

Sierra International Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5239

Sierra International Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5239. Built with marine grade materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International 185239... ... more

Sierra International Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5239

Sierra International Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5239. Built with marine grade materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International 185239...

Optics Planet

$215.07

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Sierra International Hi Performance Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5240

Sierra International Hi Performance Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5240

Sierra International Hi Performance Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5240. Built with marine grade materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra... ... more

Sierra International Hi Performance Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5240

Sierra International Hi Performance Electronic Conversion Kit For Prestolite Idu 7801 Distributors 18-5240. Built with marine grade materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra...

Optics Planet

$244.84

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Sierra International Electronic Conversion Kit For Mallory Yl & Yd 8 Cylinder Distributors 18-5296-2

Sierra International Electronic Conversion Kit For Mallory Yl & Yd 8 Cylinder Distributors 18-5296-2

Sierra International Electronic Conversion Kit For Mallory Yl & Yd 8 Cylinder Distributors 18-5296-2. Replaces points and condensers for true solid state ignition. Uses standard coil cap and rotor. Accurate to within 1/4 degree timing accuracy 0 to... ... more

Sierra International Electronic Conversion Kit For Mallory Yl & Yd 8 Cylinder Distributors 18-5296-2

Sierra International Electronic Conversion Kit For Mallory Yl & Yd 8 Cylinder Distributors 18-5296-2. Replaces points and condensers for true solid state ignition. Uses standard coil cap and rotor. Accurate to within 1/4 degree timing accuracy 0 to...

Optics Planet

$245.62

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Sierra International Electronic Conversion Kit For Volvo 4 Cylinder Aq Models w/ Bosch Ignition 18-5292

Sierra International Electronic Conversion Kit For Volvo 4 Cylinder Aq Models w/ Bosch Ignition 18-5292

Sierra International Electronic Conversion Kit For Volvo 4 Cylinder Aq Models w/ Bosch Ignition 18-5292. Built with marine grade materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International... ... more

Sierra International Electronic Conversion Kit For Volvo 4 Cylinder Aq Models w/ Bosch Ignition 18-5292

Sierra International Electronic Conversion Kit For Volvo 4 Cylinder Aq Models w/ Bosch Ignition 18-5292. Built with marine grade materials. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra International...

Optics Planet

$271.42

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Sierra International 1-8-1-955-1- Manifold 18-1955-1

Sierra International 1-8-1-955-1- Manifold 18-1955-1

Sierra International 1-8-1-955-1- Manifold 18-1955-1. Each Sierra product meets or exceeds the original equipment part it replaces. Fits MCM 140 (1982 and older). For use with 18-4009 manifold end plate 18-8549 hardware kit manifold bolts 18-1971 elbow... ... more

Sierra International 1-8-1-955-1- Manifold 18-1955-1

Sierra International 1-8-1-955-1- Manifold 18-1955-1. Each Sierra product meets or exceeds the original equipment part it replaces. Fits MCM 140 (1982 and older). For use with 18-4009 manifold end plate 18-8549 hardware kit manifold bolts 18-1971 elbow...

Optics Planet

$772.37

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Sierra International 18-5294 Electronic Conversion Kit 18-5294

Sierra International 18-5294 Electronic Conversion Kit 18-5294

Sierra International 18-5294 Electronic Conversion Kit 18-5294. Replaces points and condensers for true solid state ignition. Uses standard coil cap and rotor. Easy to install one-piece 2 wire hookup. Designed to be interchangeable with the following:... ... more

Sierra International 18-5294 Electronic Conversion Kit 18-5294

Sierra International 18-5294 Electronic Conversion Kit 18-5294. Replaces points and condensers for true solid state ignition. Uses standard coil cap and rotor. Easy to install one-piece 2 wire hookup. Designed to be interchangeable with the following:...

Optics Planet

$281.05

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