Sierra Head Gasket Set - SIE-18-1254

Sierra 18-1254 Mercruiser Head Gasket Set

Sierra 18-1254 replacement Mercruiser Head Gasket Set for small block GM V8 engines with Vortec heads.

Fits MCM/MIE GM V-8 (305, 350 & 377 cid) Gen + engines (1996 & Newer).

Interchangeable with:

Mercruiser Stern Drive

27-75611A03

Frequently Asked Questions

• What is the Sierra 18-1254 Mercruiser Head Gasket Set used for? The Sierra 18-1254 Mercruiser Head Gasket Set is a replacement head gasket set for small block GM V8 engines with Vortec heads. It is designed for the listed MCM/MIE GM V8 marine engine applications and provides a replacement for the specified original head gasket set.
• Which Mercruiser engines does the Sierra 18-1254 Head Gasket Set fit? The Sierra 18-1254 fits MCM/MIE GM V8 305, 350, and 377 CID Gen+ engines from 1996 and newer. The description specifically identifies engines with Vortec heads, so verify your engine configuration and application before ordering.
• Is the Sierra 18-1254 compatible with GM V8 Vortec marine engines? Yes. The Sierra 18-1254 is specified for small block GM V8 engines with Vortec heads. Its listed applications include MCM/MIE GM V8 305, 350, and 377 CID Gen+ engines from 1996 and newer.
• What Mercruiser part number does the Sierra 18-1254 Head Gasket Set replace? The Sierra 18-1254 Mercruiser Head Gasket Set is interchangeable with Mercruiser Stern Drive part number 27-75611A03. Compare your existing part number and engine application with the listed information to help confirm compatibility before ordering.