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Impeller, 18-3062 from SIERRA
Impeller, 18-3062 from SIERRA
Recommended replacement schedule is every 3 years for fresh water and every year for salt water Click to view a Sierra Impeller Application Chart (PDF) For further assistance, have your year & model information handy and call our Product Advisors at 1-800-BOATING.
CARB GASKET KIT from SIERRA
CARB GASKET KIT from SIERRA
Sierra carb kits and gaskets for engine tune ups.
Yamaha Carb Kit from SIERRA
Yamaha Carb Kit from SIERRA
Sierra carb kits and gaskets for engine tune ups.
Replaces OMC P/N 378444 from SIERRA
Replaces OMC P/N 378444 from SIERRA
Many of Sierra's solenoids are manufactured by our Independence, KS plant. We produce both starter solenoids and continuous duty solenoids for trim and tilt pumps. Our features add up to solenoids which offer maximum magnetic plunger pull, reduced voltage drop and maximum corrosion protection.
For Chrysler/Force, 89-817109A2 from SIERRA
For Chrysler/Force, 89-817109A2 from SIERRA
Many of Sierra's solenoids are manufactured by our Independence, KS plant. We produce both starter solenoids and continuous duty solenoids for trim and tilt pumps. Our features add up to solenoids which offer maximum magnetic plunger pull, reduced voltage drop and maximum corrosion protection.
Water Circulating Pump - #18-3581 - Chrysler Inbd # 3004886, 3619542, 3619859, 3745985 from SIERRA
Water Circulating Pump - #18-3581 - Chrysler Inbd # 3004886, 3619542, 3619859, 3745985 from SIERRA
Water Pumps The water pump is the heart of your inboard or I/O cooling system. All Sierra pumps are bidirectional and can be installed on reverse rotation engines. The pumps are also powder coated for additional protection. Includes mounting gasket. Pumps include brass bi-directional impellers, brass plugs and fittings, carbon resin seal, all mounting gaskets, stainless steel seal cup and spring, stainless steel back plate (where required), and powder coating for maximum corrosion protection.
30GPH Cartridge, Replaces Racor S3240 from SIERRA
30GPH Cartridge, Replaces Racor S3240 from SIERRA
High-performance fuel injected engines require ultimate fuel filtration, separation of water from the fuel supply and maximum fuel flow. Sierra’s filter elements deliver all three of these critical performance factors. 7900-Series 10 micron filters eliminate harmful contaminants at over 90% efficiency, while removing over 98. They’re engineered for today’s sterndrives and inboards, along with 2-cycle and 4-cycle outboards. That is why a high efficiency water separating filter is so important.
60GPH Cartridge, Replaces Racor S3227 from SIERRA
60GPH Cartridge, Replaces Racor S3227 from SIERRA
High-performance fuel injected engines require ultimate fuel filtration, separation of water from the fuel supply and maximum fuel flow. Sierra’s filter elements deliver all three of these critical performance factors. 7900-Series 10 micron filters eliminate harmful contaminants at over 90% efficiency, while removing over 98. They’re engineered for today’s sterndrives and inboards, along with 2-cycle and 4-cycle outboards. That is why a high efficiency water separating filter is so important.
10 Micron Replacement Filter Element for OMC 502905 from SIERRA
10 Micron Replacement Filter Element for OMC 502905 from SIERRA
High-performance fuel injected engines require ultimate fuel filtration, separation of water from the fuel supply and maximum fuel flow. Sierra’s new filter elements deliver all three of these critical performance factors. 7900-Series 10 micron filters eliminate harmful contaminants at over 90% efficiency, while removing over 99% of emulsified water. Today’s ethanol-blended fuels increase the chances of water in fuel tanks, resulting in premature wear, poor performance and component damage.
Johnson/Evinrude Outboard Starter, 120 to 140hp V4 (1985-99), 10 tooth drive gear from SIERRA
Johnson/Evinrude Outboard Starter, 120 to 140hp V4 (1985-99), 10 tooth drive gear from SIERRA
Sierra's new and remanufactured starters are the only marine starters that meet Marine UL standards. Sierra's remanufactured starters all have new solenoids, drives, bushings, brushes and springs. The bodies are powder coated for greater corrosion resistance. Sierra has entered an agreement with United Technologies to market their complete line of outboard starters and components. All are 100% load tested . Our remanufactured starters are covered by Sierra's customer satisfaction warranty .
Gasket (2) from SIERRA
Gasket (2) from SIERRA
Package of 2.
Johnson/Evinrude, motor only, for 2-wire systems, 90–225hp (1991–1999) from SIERRA
Sierra-Tube-Exhaust from SIERRA
Sierra-Tube-Exhaust from SIERRA
Some larger V-8 engines that create a large amount of back pressure use exhaust tubes rather than bellows. This helps to relieve the excessive pressure and eliminate problems with premature bellows failure. In the past, the exhaust bellows would blow up like a balloon and cause the drive shaft bellows to rub against the yoke and U-joints causing holes in the bellows.
Prop Nut Kit, Yamaha V4/V6 from SIERRA
Prop Nut Kit, Yamaha V4/V6 from SIERRA
An excellent emergency item to carry in your toolbox, for those occasions when the prop nut is misplaced or lost.
Exhaust Flapper Valve - 4" from SIERRA
Exhaust Flapper Valve - 4" from SIERRA
Heavy duty rubber flapper valve keeps following seas from entering exhaust outlet when moving slowly or stopping.

from SIERRA, 2" from SIERRA, E from SIERRA, Impeller from SIERRA

18-5428 Sierra Rotor Assembly from SIERRA Home -> Engine Systems -> Engine Parts->Rotor Assemblies
Choose the Sierra number from the Rotor Assembly Selection Chart.
Part No: 18-5428
P-Line 18-7223 Carb Kit from SIERRA Home -> Engine Systems -> Engine Parts->Sierra-Carburetor Kits
Sierra carb kits and gaskets for engine tune ups.
Part No: 18-7223
18-5395 Sierra Distributor Cap from SIERRA Home -> Engine Systems -> Engine Parts->Distributor Caps
No tune-up is complete without a quality distributor cap. Many sizes available! Sierra caps are injection molded glass filled polyester with a high luster finish. Material retains high dielectric strength under elevated temperatures. Our caps are molded so perfect, roundness and fit are assured.
Part No: 18-5395
Complete Kit, #1 Units-forward installation until 1982 from SIERRA Home -> Engine Systems -> Propellers & Drive Trains->Lower Shift Cable Kits
Worn shift cables can cause shifting difficulties. The result can be damage to your gears. If your boat is hard to shift try our new Extreme Shift Cables for the best in effortless shifting. Kit parts with an E suffix use Extreme Shift Cables or are components of Extreme Shift Cable kits. Shift cable kits include all gaskets, bellows, and ends required for installation. Caution: some older models may have been retrofitted to accept aft installation cables.
Part No: 18-2600
18-2142 from SIERRA Home -> Engine Systems -> Engine Parts->Trim Cylinders
Sierra Power Trim Cylinders feature a high-gloss finish, excellent corrosion resistance and a marine-grade stainless-steel shaft. Tested for safety and durability. Click to view Trim Cylinder Application Chart (PDF).
Part No: 18-2142
18-1950-1 Manifold, MerCruiser 77234A2 from SIERRA Home -> Engine Systems -> Engine Parts->Exhaust Manifolds, Elbows, Risers
Sierra exhaust manifolds, risers and elbows are 100% painted where the competition sends theirs out in primer alone. When the technician buys a manifold from us, time spent watching paint dry is saved for other profit generating work. Manifolds, risers and elbows are individually packaged in Instapack, an expanding packaging foam that keeps the part from chipping and breaking during transportation Water left in manifolds over the winter months can freeze and crack requiring replacement.
Part No: 18-1950-1
Impeller Repair Kit - from SIERRA Home -> Engine Systems -> Engine Parts->Impeller Repair Kits
Includes impeller, rubber seal(s), impeller plate, impeller gasket(s), and O-rings.
Part No: 18-3076
Coil-Ignition J/E from SIERRA Home -> Engine Systems -> Engine Parts -> Tune Up Parts->Ignition Tune-Up Kits
Complete kits include cap and rotor, contacts and condenser if required. Tune-up kits have everything that the complete kits have, except for the cap.
Part No: 18-5194
Solenoid 18-5808 from SIERRA Home -> Engine Systems -> Engine Parts->Sierra Solenoids
Many of Sierra's solenoids are manufactured by our Independence, KS plant. We produce both starter solenoids and continuous duty solenoids for trim and tilt pumps. Our features add up to solenoids which offer maximum magnetic plunger pull, reduced voltage drop and maximum corrosion protection.
Part No: 18-5808D
OMC Exhaust Connector - 3 1/2" from SIERRA Home -> Engine Systems -> Engine Parts->Water Shutters
Exhaust Systems Water Shutters.
Part No: 18-2781
Pump from SIERRA Home -> Engine Systems -> Engine Parts->Impeller Repair Kits for Outboards
WATER PUMP KIT.
Part No: 18-3570
GASKET, EXHAUST ELBOW from SIERRA Home -> Engine Systems -> Engine Parts->Sierra Gaskets
Sierra gaskets for a variety of purposes Choose by Sierra part numbers.
Part No: 18-4431-9
HEI coil for EST ignition and high-performance applications. Replaces Mercury 817378, OMC 3854002, Volvo 3854002-7. from SIERRA Home -> Engine Systems -> Engine Parts -> Electrical Eng Parts->I/O & Inboard Ignition Coils
I/O & Inboard Ignition Coils.
Part No: 18-5443
Belt 18-15103 from SIERRA Sierra's leadership in the marine industry continues with the addition of 20 new belts and 8 new hoses for late model stem drive and inboard application. An industry first, Sierra is excited to announce its new line-up of Serpentine belts. 14 Serpentine belts for late model coverage on Mercruiser V6 and V8 big/small block applications. Belts are polyester corded for long-life and durability. Hoses are molded for exact fit and precise installation.
Part No: 18-15103
Impeller from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems->Sierra Impellers
Recommended replacement schedule is every 3 years for fresh water and every year for salt water Click to view a Sierra Impeller Application Chart (PDF) For further assistance, have your year & model information handy and call our Product Advisors at 1-800-BOATING.
Part No: 18-3037
Thermostat & Gasket for 18-3677 from SIERRA Home -> Engine Systems -> Engine Parts->Thermostat Kits
Thermostats made from corrosion-resistant stainless steel and brass. Kits include gasket(s) necessary for installation.
Part No: 18-3677D
Cotter Pins from SIERRA Home -> Engine Systems -> Engine Parts
ackage of 10 cotter pins.
Part No: 18-3735-9
Block Cover Gasket from SIERRA Home -> Engine Systems -> Engine Parts
Block cover gasket, package of 2.
Part No: 18-2807-9
Oil Seal from SIERRA Oil seal.
Part No: 18-0267
Oil Seal from SIERRA Oil seal replaces OEM #18-0570 for Yamaha engine.
Part No: 18-0570
Ignition Switch J/E W/Key from SIERRA Home -> Engine Systems -> Engine Parts -> Electrical Eng Parts
Johnson/Evinrude No. s 386545, 386496, 379047 and 378238. Stainless steel and Delrin construction. 5 terminals with special waterproofing seal and drain holes. Brass chrome plated face nut, back-up nut and washer. Silvered contacts, stainless steel terminals and springs, brass screws. Mounting bushing 1-1/2" long.
Part No: 18-1801
18-1928 Elbow, Crusader 4" from SIERRA Home -> Engine Systems -> Engine Parts->Exhaust Manifolds, Elbows, Risers
Sierra exhaust manifolds, risers and elbows are 100% painted where the competition sends theirs out in primer alone. When the technician buys a manifold from us, time spent watching paint dry is saved for other profit generating work. Manifolds, risers and elbows are individually packaged in Instapack, an expanding packaging foam that keeps the part from chipping and breaking during transportation Water left in manifolds over the winter months can freeze and crack requiring replacement.
Part No: 18-1928
18-1996 Manifold from SIERRA Home -> Engine Systems -> Engine Parts->Exhaust Manifolds, Elbows, Risers
Sierra exhaust manifolds, risers and elbows are 100% painted where the competition sends theirs out in primer alone. When the technician buys a manifold from us, time spent watching paint dry is saved for other profit generating work. Manifolds, risers and elbows are individually packaged in Instapack, an expanding packaging foam that keeps the part from chipping and breaking during transportation Water left in manifolds over the winter months can freeze and crack requiring replacement.
Part No: 18-1996
Exhaust Elbow Mounting Kit from SIERRA Exhaust Elbow Mounting Kit OMC/Volvo GM Small Block V8 305-350cu. in.
Part No: 18-8507
Exhaust Manifold Mounting Kit - Volvo/Penta from SIERRA Home -> Engine Systems -> Engine Parts
Volvo 4 Cylinder B20 2. 3 and 2. 5L (Models: AQ 120, 125, 131, 140, 145, and 151. BB140, 145, 230, and 250) Volvo 4 Cylinder B20 2. 3 and 2. 5L (Models: AQ 120, 125, 131, 140, 145, and 151.
Part No: 18-8539
Oil Filter Cartridge, Volvo Diesel from SIERRA Home -> Engine Systems -> Engine Parts->Sierra Oil Filters
Sierra high-efficiency oil filters meet or exceed OEM specifications for marine use, unlike conventional auto oil filters. Available for gasoline inboard and 4-stroke outboard applications. High pleat count more pleats means more capacity and greater efficiency. Epoxy coated inside for corrosion resistance. Shrink-wrapped for rust protection. Some models utilize anti-drainback valves, where applicable. Meet or exceed OEM specifications for marine use.
Part No: 18-7926
Complete Kit, Alpha 1, Gen 2 from SIERRA Home -> Engine Systems -> Propellers & Drive Trains->Lower Shift Cable Kits
Worn shift cables can cause shifting difficulties. The result can be damage to your gears. If your boat is hard to shift try our new Extreme Shift Cables for the best in effortless shifting. Kit parts with an E suffix use Extreme Shift Cables or are components of Extreme Shift Cable kits. Shift cable kits include all gaskets, bellows, and ends required for installation. Caution: some older models may have been retrofitted to accept aft installation cables.
Part No: 18-2603E
Wiring Plug Set / MCM 4.3L MPI from SIERRA Home -> Engine Systems -> Engine Parts->MagForce™ Premium Marine Spark Plug Wire Leads
Manufactured for your specific application, MagForce™ wire leads include a kevlar magnetic suppression core, with superior RFI elimination to protect the most sensitive modern electronics from stray noise and static. Durable stainless steel wound conductors create the hottest spark for maximum horsepower and engine performance. Spark plug and distributor terminals are also stainless steel for corrosion resistance and maximum conductivity.
Part No: 18-8829-1
Wire Set Merc 8CYL with Delco HEI Ignition from SIERRA Home -> Engine Systems -> Engine Parts->MagForce™ Premium Marine Spark Plug Wire Leads
Manufactured for your specific application, MagForce™ wire leads include a kevlar magnetic suppression core, with superior RFI elimination to protect the most sensitive modern electronics from stray noise and static. Durable stainless steel wound conductors create the hottest spark for maximum horsepower and engine performance. Spark plug and distributor terminals are also stainless steel for corrosion resistance and maximum conductivity.
Part No: 18-8828-1
Tune-UP Kit, Mallory 8 from SIERRA Home -> Engine Systems -> Engine Parts -> Tune Up Parts->Ignition Tune-Up Kits
Complete kits include cap and rotor, contacts and condenser if required. Tune-up kits have everything that the complete kits have, except for the cap.
Part No: 18-5251D
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