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Sierra Marine

MANIFOLD Supplied with Mounting Package Replaces: 99798A18, 806867A8 Fits most late Model 2.5L 153 CID and 3.0L 181 CID with MerCarb 5 bolt pattern with electric choke (1983-95).

Please note if you are replacing a manifold number 860235A04 . The application is the same but the 18-1956-1 has end plates. The 860235A04 also has many components included that are not included with the 18-1956-1. The 18-1956-1 is therefore NOT a direct replacement for the 860235A04.
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Sierra Marine Manifold is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.