SIERRA
18-3549 Thermostat - 120

Model # 10531911 | Manuf. # 18-3549

In Stock: Available for immediate shipment.

We Won't Be Beat—Low Price Guarantee

West Marine will gladly match most U.S. based competitor's price on identical, in-stock items within 30 days of purchase.
Learn More

$21.99

Quantity

+ Add to Cart

Add to My List

Earn up to 4% back on this purchase! Learn More

Description

Specs

The West Advisor

Reviews

18 3549 Thermostat 120

Replaces: Mercury Marine 14586

18 3549 Thermostat 120

Product Specs

The West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Products related to 18 3549 Thermostat 120

Molded Cooling System Hose Mercruiser

Sierra Molded Cooling System Hose Mercruiser . For: Thermostat Cover to Port Manifold For: 4.3L, 5.0L, & 5.7L Replaces: 32-16021-1

$21.99

Molded Cooling System Hose Mercruiser

Sierra Molded Cooling System Hose Mercruiser . For: Water Distribution Block to End Cap For: 2.5L & 3.0L Replaces: 32-96879

$26.99

Yamaha Impellers

Sierra Yamaha Impellers Impeller, 18 3069 . Impellers are the heart of the water pump within a cooling system in an I/O or O/B application. They pump fresh water, via lake, river, etc., circulate it through the engine and then expel it back into the body of water. These impellers are made of...

$26.99

Water Circulating Pumps

Sierra Water Circulating Pumps Pump, 18 3583, Volvo 3853850, 835390 6, 856364 5, Crusader 142520, Mercruiser 17437, 60658, 850399 1, Omc 980477, 985429, Pleasurecraft Ra057018 . Water Pumps The water pump is the heart of your inboard or I/O cooling system. Pumps are matched to the GM, Ford or...

$97.99

Water Kit Pump Without Housing

Sierra Water Kit Pump Without Housing . Replacement for Yamaha Outboard cooling system #692-W0078-00-00, 692-W0078-01-00 The kit comes without a housing

$37.99

Thermostat Kit 142

Sierra Thermostat Kit 142 . For: Ford 302/351 CID Engines For: CH190/220-305cu.in., CH270-350cu.in., CH350-454cu.in 142 Includes thermostat 18-3551 & 18-0875 Gasket

$21.99

Molded Water Hose Mercruiser

Sierra Molded Water Hose Mercruiser . For: Thermostat Cover to Exhaust Elbow For: 5.0L & 5.7L Replaces: 32-73796

$26.99

Engine Cooling Impeller Johnson/Evinrude (OMC)

Sierra Engine Cooling Impeller Johnson/evinrude (omc) . Replaces 396809

$21.99

V Belt Mercruiser

Sierra V Belt Mercruiser Belt, 41" . V-Belts for Mercruiser Cooling Systems High strength synthetic cords resist shockload failure Compression part is a special rubber compound that assures smooth and even transfer of load forces to the cords Rubber edges maintain smooth, positive, no-slip...

$19.99

Thermostat Merc SS Housing Kit

Sierra Thermostat Merc Ss Housing Kit . Sierra warrants its Thermostat Housing Kits and other engine parts to be free of defects in workmanship and materials for the life of the vessel on which they were originally installed.

$239.99

Salt Away Salt Removing Treatment

Salt Away Removing Treatment . Extremely effective at flushing salt out of the cooling systems of outboards, inboards, I/Os and personal watercraft. A special salt-removal concentrate prevents salt build up inside the engine before overheating can begin, and provides long-lasting corrosion...

$47.99

Oil Change H.D. 24 Volt

Reverso Oil Change H.d. 24 Volt . Fast lube oil change system 700 Series with gear pump. Features: For larger and commercial applications Reversible flow (drains and fills engine) Self-priming Simplifies oil changes Reduces chances of oil spills Central service point for multiple equipment...

$1249.00

Help us improve westmarine.com by providing feedback on this page [->]

Find A Store Near You

SIERRA18-3549 Thermostat - 120

We Won't Be Beat—Low Price Guarantee

18 3549 Thermostat 120

18 3549 Thermostat 120

Product Specs

The West Advisor

SIERRA
18-3549 Thermostat - 120