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Sierra Marine Parts Catalog: Mercruiser

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Item No
Description
OE No.
Application
1
18-1953-2
MANIFOLD
87114A19
GM Small Block (V8) 305-350 cu.in. Models 200, 228, 230, 260, & 898
2
18-0897
ELBOW GASKET
27-41813
Fits Manifold: 18-1953-2; Manifold Spacers: 18-1985, & 18-1908;
(RESTRICTOR)
Elbows: 18-1970-1, 18-1976-1, 18-1974-1
3
18-2849
ELBOW GASKET (OPEN)
27-818832
Fits Manifold: 18-1953-2; Manifold Spacers: 18-1985, & 18-1908;
Elbows: 18-1970-1, 18-1976-1, 18-1974-1
4
18-2949
MANIFOLD GASKET
96306
Use with Manifold: 18-1953-2. Included in 18-8520 mounting kit.
5
NSS
MOUNTING BOLT
N/A
Included in 18-8520 mounting kit.
6
18-8216
HOSE FITTING
N/A
3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
7
18-4461
HOSE FITTING
N/A
3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
8
18-8215
HOSE FITTING
N/A
3/4" - 14NPT X 3/4" Hose (Corrosion Resistant Brass Fitting)
9
18-8520
MOUNTING KIT
N/A
Use with Manifold: 18-1953-2. Includes 18-2949 manifold gasket.
10 18-8505
MOUNTING KIT
N/A
Use with Riser: 18-1976-1. Includes 18-0897 elbow gasket.
11 18-8529
MOUNTING KIT
N/A
Use with Risers: 18-1970-1, 18-1974-1. Includes 18-0897 elbow
gaskets.
12 18-1908
MANIFOLD SPACER
933220A12
3" Spacer for Manifold: 18-1953-2. Use with mounting kit 18-8554
with 18-1970-1, or mounting kit 18-8555 with 18-1976-1.
13 18-1985
MANIFOLD SPACER
93322
6" Spacer for Manifold: 18-1953-2. Use with mounting kit 18-8556.
(Note to mount elbows to spacer a separate mounting kit is required)
14 18-1974-1
MANIFOLD ELBOW
98502A2
Fits Manifold: 18-1953-2. Use Elbow gasket: 18-2849, 18-0897, or
18-0672; Use mounting kit: 18-8529. (Do not use with spacer)
15 NSS
MOUNTING STUD
N/A
Included in 18-8529 mounting kit.
16 NSS
MOUNTING BOLT
N/A
Included in 18-8505 mounting kit.
17 18-1976-1
MANIFOLD ELBOW
44354A3,
Fits Manifold: 18-1953-2. Use Elbow gasket: 18-2849, 18-0897, or
807914A1
18-0672; Use mounting kit: 18-8505, or if spacer is included use 18-8555.
18 18-0672
ELBOW GASKET (CLOSED) 27-860231
Fits Manifold: 18-1953-2; Manifold Spacers: 18-1985, & 18-1908;
Elbows: 18-1970-1, 18-1976-1, 18-1974-1
19 18-1970-1
MANIFOLD ELBOW
98504A3
Fits Manifold: 18-1953-2. Use Elbow gasket: 18-2849, 18-0897, or
18-0672; Use mounting kit: 18-8529, or if spacer is included use 18-8554.
20 18-8556
MOUNTING KIT
N/A
Use with Manifold Spacer: 18-1985. Includes 18-0897 & 18-2849.
(Note: To mount elbows to spacer a separate mounting kit is
required.)
21 18-8555
MOUNTING KIT
N/A
Use with Riser Kit 18-1908K: Spacer 18-1908: Riser 18-1976-1:
Manifold: 18-1952-1
22 18-8554
MOUNTING KIT
N/A
Use with Riser Kit 18-1908K: Spacer 18-1908: Riser 18-1970-1:
663
Manifold: 18-1952-1