Keeping an engine running cool isn’t just about performance—it’s about survival on the water. The Mercury Impeller Driveshaft Kit (8M0140001) plays a critical role in keeping your MerCruiser seawater pump in peak condition, ensuring a steady flow of cooling water through the system. Over time, wear and tear can take its toll, and a failing impeller or driveshaft can lead to overheating, costly repairs, or worse—being stranded when you least expect it. That’s where this OEM replacement kit comes in.

Built with durability in mind, this kit includes everything needed for a reliable refresh of your seawater pump’s impeller driveshaft assembly. Whether you're doing routine maintenance or addressing a performance issue, this set is designed to get the job done with minimal hassle.

Why It’s Worth Your Attention:

• Complete Package – Comes with essential components, including the tolerance ring, seal lip, snap ring, and spacer, eliminating guesswork.
• Precision Fit – Engineered for MerCruiser seawater pumps, ensuring seamless integration and optimal water flow.
• Built for Harsh Conditions – Manufactured by Mercury Marine using high-quality materials that stand up to salt, heat, and high RPMs.
• Prevents Overheating – Keeps your engine running at the right temperature, reducing long-term wear and maximizing efficiency.
• Straightforward Installation – Designed for a smooth swap-out, making it easier to maintain peak cooling performance without unnecessary downtime.

Perfect for DIYers and marine technicians alike, the Mercury Impeller Driveshaft Kit 8M0140001 is a smart investment in your engine’s longevity. If smooth sailing is the goal, keeping the cooling system in top shape is non-negotiable.