This product has been discontinued.
Sierra
Exhaust Manifold With Mounting Package - 18-1954-1 - Sierra
Price: $661.75
 Discontinued
Part # 18-1954-1
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(Discontinued)
This item is found in the following Product Families
Description Customer Questions & Answers Shipping
Replaces OEM part #
  • MERCURY MARINE 95862A5
Fits most late Model 2.5L 153 CID & 3.0L 181 CID with Rochester Carb w/ electrical choke, 5 BOLT PATTERN (1983-89)
Supplied with Mounting Package
Use with:
    Exhaust Manifold Gasket: 18-1204
    End Plate: 18-4009
Mounting Hardware: 18-8549
Q:
Does Sierra 18-1954-1 manifold carburetor mounting have a 2inch x 3ans 11/16 th 4 hole pattern And not a five like in your description.?
A:
No Sierra lists this as a 5 hole pattern.

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Q:
I'm looking for exhaust manifold gasket (main one) for a Gm 4 cyl 2.5L 153CID. Model is mercury MCM 120 i think its a 1978. s/n on engine 5036588?
A:
Based on your engine info there are only gasket end caps, choke over cover gasket, and exhaust elbow gasket. 18-1210-9 is the end cap gasket. 39947 is the choke cover gasket and 39915 or 18-2819 is the elbow gasket.

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