Mercury-Mercruiser 46-8M0139994 Sea Water Pump Kit

Maintain optimal engine temperature and avoid costly overheating issues with the Mercury-Mercruiser 46-8M0139994 Sea Water Pump Kit—a complete, genuine OEM solution for replacing or servicing your engine’s raw water pump system.

This kit is designed to deliver efficient cooling performance in MerCruiser sterndrive and inboard engines, drawing seawater through the system to regulate engine temperature. The 8M0139994 kit includes a fully assembled sea water pump with impeller, wear plate, gaskets, seals, and housing—everything you need for a direct-fit replacement with OEM-level quality and reliability.

Built with marine-grade materials, this pump is resistant to corrosion, wear, and saltwater damage. Its durable impeller and stainless-steel wear plate ensure long service life and smooth operation under harsh marine conditions. The pre-assembled design simplifies installation, reducing downtime and ensuring accurate component alignment right out of the box.

Whether you’re performing routine maintenance or replacing a worn-out pump, the 46-8M0139994 Sea Water Pump Kit offers unmatched dependability and performance—exactly what you expect from Mercury Marine parts.

Features:

• Mercury OEM Part #46-8M0139994

• Complete pre-assembled pump with housing, impeller, seals, and wear plate

• Compatible with select MerCruiser inboard and sterndrive engines

• High-flow design helps maintain consistent engine cooling

• Marine-grade materials for corrosion and wear resistance

• Easy installation with OEM fit and finish

Protect your engine and stay on the water longer—choose the Mercury-Mercruiser 46-8M0139994 Sea Water Pump Kit for performance you can count on.