Description
MerCruiser EXHAUST MANIFOLD by Sierra
Manifold for 3.0 Liter Engines 1990 and Newer using the "MERCARB"
This has a single idle air adjusting screw
Includes:
• Gaskets
• Pipe plugs
• Fuel line
• Mounting hardware and Instructions
Riser mounting flange is square bolt pattern (2-13/16" x 3-1/16" bolt centers)
Replaces
Mercury: 806867A3, 806867A9, 806867A12 and 815560A5, 815560A7 Replaces OEM NEW PART NUMBER 860235A03 and OLD NUMBER 806867a3 Old Sierra Part Number: 18-1966 superseded to New Sierra Part Number: 18-1966-1
Sierra manifolds are painted, packaged and leak tested.
Specs
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MPN:
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18-1966
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