Sea Water Pump Pulley (8M0158970)

Sea Water Pump Pulley – Reliable Drive for Marine Cooling Systems

The Sea Water Pump Pulley is a crucial component in your marine engine’s cooling system, designed to drive the seawater pump by transferring rotational power from the engine via a belt. This pulley ensures that the seawater pump operates smoothly and consistently, circulating raw water through the engine to prevent overheating and maintain optimal operating temperature.

Crafted from durable, marine-grade materials such as anodized aluminum, stainless steel, or cast iron, the seawater pump pulley is engineered to withstand high-speed rotation, harsh saltwater environments, and continuous exposure to heat and vibration. It features a precision-machined design for proper alignment and belt grip, reducing the risk of slippage and premature wear.

The Sea Water Pump Pulley is commonly used on inboard and sterndrive engines from top brands like MerCruiser, Volvo Penta, Cummins, and Yanmar. It is available in various diameters and configurations (single-groove, double-groove, serpentine) depending on your engine model and belt setup.

Key functions and benefits:

• Transfers engine power to drive the seawater pump

• Maintains efficient cooling water flow

• Helps prevent engine overheating

• Built for long-lasting marine performance

Routine inspection of the pulley is recommended, especially during impeller or belt replacement. Look for signs of corrosion, warping, or grooving, as a damaged pulley can compromise belt alignment and reduce pump efficiency. Replacing a worn or damaged Sea Water Pump Pulley is essential to avoid cooling system failure and costly engine repairs.

Whether you’re upgrading or maintaining your cooling system, trust a high-quality, OEM-compatible pulley to deliver dependable performance and peace of mind on the water.

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