Coolant Pump Gasket SIERRA 18-0891-9

Compatible Engines

The SIERRA 18-0891-9 coolant pump housing gasket is a critical component ensuring the integrity of the cooling system. This part is specifically designed for MERCRUISER, OMC, and VOLVO PENTA engines in V-6 and V-8 configurations (displacements 305, 350, and 377 CID). Due to manufacturing variations, compatibility should always be verified using the catalog number 18-0891-9 or the original OE number. If you have any doubts, please contact our support team.

Installation and Maintenance

Proper installation of the gasket is crucial for pump longevity. Before installing, thoroughly clean mating surfaces from deposits. Avoid using excessive sealant, which can block coolant lines. Tighten bolts to the manufacturer's recommended torque to prevent housing cracks.

• Original SIERRA Quality – guarantees durability and corrosion resistance.
• Effective Sealing – prevents leaks and engine overheating.
• Easy Installation – precise dimensional fit for the pump housing.
• System Protection – extends the life of the pump and seals.