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Sierra Marine Parts Catalog: Mercruiser

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18-1955-1*
MANIFOLD
New Style
18-1958-1-1*
Supplied with Mounting Package
Replaces: 96705A1
MANIFOLD
Fits most early Model 3.0L 181 CID with Rochester
Replaces: 65604A4, A12
PORT SIDE ONLY
Carb. 5 bolt pattern and 2.5L, 153CID (1968-82)
Fits most Mercruiser (Ford) V-8 small blocks
Use with:
Supplied with Mounting Package
Use with:
Exhaust Manifold Gasket: 18-1203
Mounting Kit: 18-8509
End Plate: 18-4009
18-1956-1*
18-1957-1*
MANIFOLD
MANIFOLD
Port & Starboard
Supplied with Mounting Package
Replaces: 99798A18, 806867A8
Replaces: 89011A8, 807078A6
Fits most late Model 2.5L 153 CID and 3.0L 181 CID
WILL FIT EITHER SIDE
with MerCarb 5 bolt pattern with electric choke (1983-95)
Fits most Mercruiser (GM) V-8 big blocks with center riser
Use with:
Use with:
Exhaust Manifold Gasket: 18-1204
Exhaust Manifold Gasket: 18-0418
End Plate: 18-4009
Mounting Kit: 18-8532
18-1987-1
MANIFOLD
CONvERSION KIT
Not for use on engines with high mounted
power steering pumps
KIT INCLUDES:
2  Center rise manifolds
2  exhaust elbows
1  Thermostat housing
1  Thermostat cover
1  Thermostat
All hoses, hardware, gaskets plus complete
instructions to do the job right!
This Manifold Kit is designed to convert all Mercruiser Stern Drive Engines with GM 305 & 350 CID Blocks that have Log Style
Exhaust Manifolds and Raw Water Cooling to the Newer More Efficient Center Rise Manifolds
18-1962-1-1*
MANIFOLD
18-1960-1*
MANIFOLD
Starboard
Replaces: 65603A4, 65603A12
Replaces: 58759A10, A14
Fits most Mercruiser Engines (Ford) V-8 Small blocks
Fits most Mercruiser (GM) Inline 6 Cyl. Engines
Supplied with Mounting Package
Supplied with Mounting Package
Use with:
Use with:
Mounting Kit: 18-8509
Mounting Kit: 18-8531
665
* SEE APPLICATION CHART ON PAGE 671-675 FOR SPECIFIC MODELS