Sierra 18-4397 Exhaust Manifold Gasket Set

Sierra 18-4397 Mercruiser Exhaust Manifold Gasket Set

Sierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierra's unmatched manufacturer's warranty.

• For GM 454 (7.4L) CID engines
• All 325, 350, 400 HP Jet Drives 330 HP s/n 6083144 & Below

Set Includes:

• (2) 18-0418 Exhaust Manifold Mounting Gasket
• (4) 18-2832-1 Manifold End Cap Gasket
• (4) 18-0885-1 Gasket

Interchangeable with:

• Barr
• MC472746820A1
• GLM
• 39120
• Mercruiser Stern Drive
• 27-46820A1