Mercury Cylinder Head Complete Assembly 8M0188302

Mercury Cylinder Head Complete Assembly 8M0188302 is a genuine Mercury OEM replacement cylinder head designed for select Mercury and MerCruiser V8 marine engines. This complete assembly is engineered to restore proper engine performance and reliability while maintaining the factory fit and specifications required for compatible applications.

Compatible with the following:

• Mercury and MerCruiser 5.7L V8 engines using Gen+ cylinder heads
• Mercury and MerCruiser 6.2L V8 engines using Gen+ cylinder heads
• Select 350 Alpha Quicksilver crate engines
• Select 357 Horizon MIE Plus Series engines
• Select 357 Alpha and 383 MPI Plus Series engines

Features:

• Complete cylinder head assembly
• Cast iron construction
• Hardened valve seats
• Stainless steel valves
• Cobalt-chromium alloy treated valve seats for enhanced durability
• Screw-in rocker studs
• Designed for engines with 8-bolt intake manifolds

Manufactured to Mercury Marine OEM specifications, this cylinder head assembly is designed to provide the durability, fit, and performance expected from a genuine replacement component. It includes the cylinder head assembly with installed components, while required gaskets and additional mounting hardware may vary by application.

Supersedes/Replaces: Mercury part number 8M0115137.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.