Cooling

Sealing rings are designed to withstand pressure and fit into a groove. The sealing ring, often composed of elastomer and positioned between two parts, is compressed to form a tight seal. They are utilized to fill a joint between two items and block the...

The Mercury. THERMOSTAT KIT 140 DEGREE (118-3650) from SeaStar Solutions is reliable, durable, and high-quality. This boat product does not harm the boat engine but only assists in the smooth and safe operations of the boat. This Thermostat Kit from...

Volvo Penta Exploded view / schematic Heat Exchanger and Thermostat with Installation Components.

Sierra 18-0955 Johnson/Evinrude Outboard Motor Exhaust Cover Gasket, Pack Sierra Marine offers high-quality gaskets for engine repairs. Sierra gaskets are precision cut to match the head and block surfaces perfectly, ensuring that the job is done right...

This product replaces:47-02373

This product replaces:840080402482

This product replaces:840080405278

The Thermostat Kit 160 Degree fits OMC pre-Cobra 90, 120, 140, 225, and 250 marine stern drive engines from 1970 to 1985. It is design to resist the huge variations of coolant pressures that occur at high RPMs, where fluctuations in temperature and...

The SERPENTINE BELT 13/16" X 88" (18-15112) is a high-quality marine engine accessory for MerCruiser sterndrives. It is important for the operation of your engine's cooling system. The alternator, power steering pump, air conditioning compressor, and, in...

An impeller on a boat circulates untreated water into a marine engine's cooling system from the outside (source). For sterndrives and outboards, the impeller is in the bottom unit; for inboards, it is on the engine. If the fins of a boat impeller are...

Our Illinois plant assembles Sierra-grade impeller kits. Sierra impeller compounds are developed based on size and application. All additional kit components are constructed to meet or exceed the manufacturer's specifications to ensure the best...

If the engine is not used for several months, the impeller blades will rust and may become stuck or fall off when the machine begins. Due to the environment, the impeller ages more quickly in saltwater. The IMPELLER EMP 47-01877 robust rubber structure...