Description
Upgrade your Tohatsu outboard engine service with the 3C8‑04018‑0 Pump Cover Gasket, an essential OEM part crafted for a secure, leak-free carburettor fuel pump assembly. This high-quality gasket forms a tight seal in the pump cover, eliminating the risk of fuel leakage and maintaining precise diaphragm pressure—crucial for reliable engine performance.
At Central Outboards Services, we recommend this gasket for Tohatsu and Nissan 9.9 HP through 50 HP two-stroke carbureted models. It suits engines such as M9.9, M15, M18, M40 and M50 series when equipped with SI type fuel pumps. Always verify compatibility using your engine’s serial and model numbers for best results
Key Features & Benefits
OEM-quality fit and finish: Manufactured in Japan by Tohatsu/Nissan, this gasket matches original factory specifications .
Durable material: Resists fuel degradation and repeated heat cycles for long-lasting performance.
Easy to install: Drops into the pump cover quickly during routine maintenance or full rebuilds.
Prevents leaks & engine issues: Maintains diaphragm integrity and steady fuel pressure for consistent running.
Compatibility & Applications
Fits a wide range of Tohatsu carbureted outboards including:
9.9HP (M9.9C/D2, NS9.9D2)
15HP (M15C/D2, NS15C/D2)
18HP (M18D/E2, NS18D/E2)
40/50HP (M40D/D2, NS40D/D2, M50D/D2, NS50D/D2)
Make sure to confirm fitment before ordering
Why Central Outboards Services Recommends It
At Central Outboards Services, we trust only genuine parts like the 3C8‑04018‑0 Pump Cover Gasket for our engine rebuilds and carburettor servicing. We’ve seen firsthand that using OEM components reduces repeat callouts and fuel system failures. This part ensures your engine runs cleanly, efficiently, and without interruption.