Sierra 18-1903 Exhaust Manifold Replaces 0912442

Sierra 18-1903 OMC Port Exhaust Manifold

Fits most GM V8 Small Blocks with End Riser. Sierra replacement engine parts are manufactured to meet or exceed OEM requirements.

Use with:

• 18-1921 Elbow
• 18-2902 Exhaust Manifold Gasket
• 18-2902-9 Exhaust Manifold Gasket
• 18-2949 Exhaust Manifold Gasket
• 18-8502 Exhaust Manifold Mounting Kit

Contains:

• (1) 18-0943-2 Exhaust Elbow Gasket
• (1) 18-0550 Plug Off Cap
• (1) 18-7306 Hose Clamp
• (1) 18-2949 Exhaust Manifold Gasket

Interchangeable with:

• OMC Stern Drive
• 0912442
• Barr
• OMC-1-912442
• GLM
• 51420
• Osco
• 2442
• Mallory
• 9-40601

Application:

OMC Stern Drive

• 1987
• 504AMARY
• 504AMFTC
• 504APARY
• 504APFTC
• 574AMFTC
• 574APARY
• 574APFTC
• 574APSRC
• 1988
• 502AMLGDP
• 502APRGDP
• 504AMLGDP
• 504APRGDP
• 574AMLGDP
• 574APRGDP
• 574BMLGDP
• 574BPRGDP

California Residents: WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov