The Gasket (78690002) creates a reliable seal between compatible engine components, helping prevent fluid leaks and maintain proper operating pressure. This genuine Mercury gasket supports efficient engine performance while protecting internal parts from contamination and unnecessary wear.
If your existing gasket becomes worn, damaged, or brittle, replacing it with a genuine Mercury part helps restore the original seal and keep your engine operating reliably.
Designed for a Precise Fit
Mercury manufactures the Gasket (78690002) to original factory specifications, ensuring an accurate fit for compatible applications. It installs easily and forms a dependable seal without requiring modifications.
Using the correct gasket also helps maintain engine efficiency, reduce the risk of leaks, and protect surrounding components from fluid loss and contamination.
Genuine OEM Quality
Choose genuine Mercury parts for trusted quality and long-lasting reliability. Mercury builds the Gasket (78690002) from durable materials that withstand heat, pressure, and harsh marine environments.
Whether you’re performing scheduled maintenance or completing an engine repair, this genuine gasket delivers the fit, durability, and performance your Mercury engine requires.
Why Choose the Gasket (78690002)?
- Genuine OEM Mercury replacement part
- Creates a secure, leak-free seal
- Helps prevent fluid leaks and contamination
- Supports efficient engine performance
- Manufactured to original factory specifications
- Durable construction for marine environments
- Ideal for servicing, repairs, and routine maintenance
Before ordering, please check your engine model and serial number to confirm compatibility.
FILTER-OIL (877761Q01) - Mercury
FILTER-OIL (883702Q) - Mercury 




