Exhaust manifold and exhaust plate diaphragm 144791 is a critical seal for high-performance Mercury and Mariner 2.5L 2-stroke outboards. This diaphragm ensures the integrity of the exhaust system, helping to maintain proper engine performance and backpressure. Produced to Mercury Marine original equipment manufacturer specifications for a precision fit.
- Fits select Mercury/Mariner 105-225hp 2-stroke outboards (2.5L)
- Compatible with EFI, DFI, Laser, Jet, and Pro XS models
- Ensures proper exhaust system sealing and performance
- Made from high-quality materials for durability in extreme heat
- Easy to install with common shop tools