Exhaust› Headers, Manifolds and Components

SIERRAMARINE

EXHAUST MANIFOLD GASKET SET

$54.38

SKU: S08C 18-0603

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Sierra 18-0603 is a marine exhaust manifold gasket set. This set includes two 18-0183-1 manifold gaskets and two 18-2854-1 riser gaskets. It is designed for use with Indmar/Barr style manifolds and risers on Ford 302/351 CID engines. This gasket set is compatible with Sierra part numbers 18-1998-1, 18-1999, 18-1939, and 18-1949.

Fitment

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Specifications

BrandSIERRAMARINE
Part NumberS08C 18-0603

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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