Sierra Marine Parts Catalog
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Item No
Description
OE No.
Application
1
MANIFOLD (STARBOARD)
774235A2
GM Small Block (V8) 305-350 cu.in. Models 198, 228, & 898.
(Starboard)
2
18-1978
MANIFOLD ELBOW
76771A3
Use with Manifolds: 18-1950-1, 18-1951-1; Elbow Gasket 18-2833;
Mounting Kit 18-4362.
3
MOUNTING STUD
16-49545
3/8-24, 3/8-16 X 1 3/4. Included in 18-4362 mounting kit.
4
NSS
MOUNTING STUD
N/A
Included in 18-8554 mounting kit.
5
NSS
MOUNTING BOLT
N/A
Included in 18-8512 mounting kit.
6
ELBOW GASKET
27-99777-2
Use with Elbows: 18-1971 & 18-1978. Included in 18-4362
mounting kit.
7
MANIFOLD ELBOW
76351A2
Use with Manifolds: 18-1950-1, 18-1951-1; Elbow Gasket 18-2833;
Mounting Kit 18-4362.
8
MANIFOLD SPACER
61851
3" Spacer for Manifold: 18-1950-1, 18-1951-1. Use with mounting
kit 18-8554 with 18-1971 or 18-1978 Elbows.
9
BLOCK OFF PLATE
60207
Use with Manifolds 18-1950-1, 18-1951-1. Requires (2) 18-2833
elbow gaskets
10
MANIFOLD (PORT)
77234A2
GM Small Block (V8) 305-350 cu.in. Models 198, 228, & 898. (Port)
11
END PLATE
60252A2
Use with
(Port & Starboard) Manifolds: 18-1950-1 & 18-1951-1;
Mounting Kit: 18-8512
12
FRONT/END PLATE
27-48043-1
Fits Port & Starboard Caps of Manifolds: 18-1950-1, 18-1951-1.
GASKET
Use with Front Plate: 18-4009. Included in 18-8512 mounting kit.
13
NSS
END PLATE
54870
Fits Manifold: 18-1950-1, 18-1951-1; Mounting Kit: 18-8512.
14
MANIFOLD GASKET
96306
Use with Manifold: 18-1951-1
15
NSS
MOUNTING BOLT
N/A
Included in 18-8520 mounting kit.
16
MOUNTING KIT
N/A
Use with Manifolds: 18-1950-1, 18-1951-1. Includes 18-2949
manifold gasket.
17
MOUNTING KIT
N/A
Use with Front/End Plates: 18-4009. Includes 18-2832 front end
plate gasket
18
MOUNTING KIT
N/A
Use with Manifold Spacer: 18-1908 with Riser 18-1971 or 18-1978
Elbows. Included in 18-1908K. Includes (1) 18-2849 & 18-0897
elbow gaskets.
19
MOUNTING KIT
N/A
Use with Elbows: 18-1971 & 18-1978. Includes 18-2833 gasket
& 18-4008 block off plate.
20
MOUNTING KIT
N/A
Use with Elbows: 18-1971 & 18-1978. Includes 18-2833 elbow
gasket.
21
HARDWARE KIT
N/A
Includes only hardware for 18-1950-1 & 18-1951-1 manifolds.
Included in 18-8520 mounting kit.
I/O—MERCRUISER-CoolingSystem