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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.
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.
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.
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.
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 .
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.
20 Amp Pushbutton Thermal Circuit Breaker from SIERRA
20 Amp Pushbutton Thermal Circuit Breaker from SIERRA
Very common pushbutton breakers for DC loads. Uses two-blade terminals. Mounts in 3/8" hole. Can be used with a waterproof boot over the button. Buttons are white. Switch Type: Pushbutton . Voltage Compatibility: DC . Safety Features: Waterproof boots available . Housing Material: Plastic . Housing Dimensions: 1. 75" x 1.
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.
Johnson/Evinrude, motor only, for 2-wire systems, 90–225hp (1991–1999) from SIERRA

Thermostat from SIERRA, Housing from SIERRA, Cup from SIERRA

Pump Kit from SIERRA Home -> Engine Systems -> Engine Parts
**RepairKit-WaterPump|**RepairKit-WaterPump.
Part No: 18-3453
Pump Kit from SIERRA Home -> Engine Systems -> Engine Parts
**RepairKit-WaterPump|**RepairKit-WaterPump.
Part No: 18-3454
Insert from SIERRA Home -> Engine Systems -> Engine Parts
**Insert Cup|**Insert Cup.
Part No: 18-3455
Cup from SIERRA Home -> Engine Systems -> Engine Parts
**Cup|**Cup.
Part No: 18-3456
Pump Kit from SIERRA Home -> Engine Systems -> Engine Parts
**RepairKit-WaterPump|**RepairKit-WaterPump.
Part No: 18-3460
Pump Kit from SIERRA Home -> Engine Systems -> Engine Parts
**RepairKit-WaterPump|**RepairKit-WaterPump.
Part No: 18-3462
Pump Kit from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems
**RepairKit-WaterPump|**RepairKit-WaterPump.
Part No: 18-3463
Pump Kit from SIERRA Home -> Engine Systems -> Engine Parts
**RepairKit-WaterPump|**RepairKit-WaterPump.
Part No: 18-3465
140 DEGREE THERMOSTAT from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems->Thermostat Gaskets, Kits, Hoses
Please choose your part using Sierra's part number.
Part No: 18-3500
Diaphragm and Cup Assembly from SIERRA Home -> Engine Systems -> Engine Parts
Replaces: 435957 For: 2 cyl 2 thermostat.
Part No: 18-3501
Hose from SIERRA Home -> Engine Systems -> Engine Parts
**Vent Hose- Water Pump|**Vent Hose- Water Pump.
Part No: 18-3502
Upper Pump Housing Unit w/o Base-Merc/Mar from SIERRA Home -> Engine Systems -> Engine Parts
Replacement for Mercury/Mariner Outboard #46-60366A1.
Part No: 18-3507
Pump Kit from SIERRA Home -> Engine Systems -> Engine Parts
**RepairKit-WaterPump|**RepairKit-WaterPump.
Part No: 18-3510
Water Pump Repair Kit - Mercury from SIERRA Home -> Engine Systems -> Engine Parts->Impeller Repair Kits for Outboards
.
Part No: 18-3517
Thermostat Housing from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems->Thermostat Housing
Choose your model following Sierra's part numbers.
Part No: 18-3530
Housing from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems
**Housing-Thermostat|**Housing-Thermostat.
Part No: 18-3530-1
Housing from SIERRA Home -> Engine Systems -> Engine Parts
**Housing-Thermostat|**Housing-Thermostat.
Part No: 18-3531
Thermostat Housing and Cover - Mercruiser from SIERRA Home -> Engine Systems -> Engine Parts
Replaces: 55131A5 Fits: MCM/MIE GM V-6 & V-8 305,350,454 & 502cid, engines with closed cooling.
Part No: 18-3532
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts
**Thermostat|**Thermostat.
Part No: 18-3534
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems
**Thermostat|**Thermostat.
Part No: 18-3535
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts
**Thermostat|**Thermostat.
Part No: 18-3536
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems
**Thermostat|**Thermostat.
Part No: 18-3537
Thermokit from SIERRA Home -> Engine Systems -> Engine Parts
**Thermostat Kit|**Thermostat Kit.
Part No: 18-3538
Thermokit from SIERRA Home -> Engine Systems -> Engine Parts
**Thermostat Kit|**Thermostat Kit.
Part No: 18-3539
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems
**Thermostat|**Thermostat.
Part No: 18-3540
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts -> Cooling Systems
**Thermostat|**Thermostat.
Part No: 18-3541
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts
**Thermostat|**Thermostat.
Part No: 18-3543
Thermostat - Johnson/Evinrude from SIERRA Home -> Engine Systems -> Engine Parts
Replaces: 435491 Fits: E100 (2004-06), E115 (2002-06), E75 (2002-03), E90 (2002-03), E150 (1993-94), E175 (1993-94), J105 (2003), J115 (2002-06), J150 (1993-94, 2002-06), J175 (1994, 2002-06), J90 (2004-06).
Part No: 18-3544
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts
**Thermostat|**Thermostat.
Part No: 18-3545
Thermostat from SIERRA Home -> Engine Systems -> Engine Parts
**Thermostat|**Thermostat.
Part No: 18-3546
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Product offering and prices listed on this website (www.westmarine.com) are limited to Internet and phone orders (1-800-BOATING). Prices on periodic web-only specials apply only to Internet orders. Product offering and/or prices may vary at West Marine retail stores. ©2009 West Marine | All Rights Reservedpics11