Sierra Marine Parts Catalog: Mercruiser
Item No
Description
OE No.
Application
1
MANIFOLD
807078A6
GM Big Block (V8) 454 cu.in. Models 330, 340 & 7.4L. Use with
2
ELBOW GASKET
27-860231
(BLOCKED)
Spacer 18-1908.
3
ELBOW GASKET (OPEN)
27-818832
Spacer 18-1908.
4
NSS
MOUNTING STUD
N/A
Included in 18-8554 mounting kit.
5
NSS
MOUNTING STUD
N/A
Included in 18-8529 mounting kit.
6
NSS
MOUNTING BOLT
N/A
Included in 18-8505 mounting kit.
7
NSS
MOUNTING BOLT
N/A
Included in 18-8532 mounting kit.
8
MANIFOLD ELBOW
98502A2
9
MANIFOLD ELBOW
44354A3
use
10 18-1970-1
MANIFOLD ELBOW
98504A3
use 18-8554.
11 18-8216
HOSE FITTING
N/A
3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
12 18-4461
HOSE FITTING
N/A
3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
13 18-8215
HOSE FITTING
N/A
3/4" - 14NPT X 3/4" Hose (Corrosion Resistant Brass Fitting)
14 18-1908K
MANIFOLD SPACER KIT
807476A6,
3" Riser Kit for Manifold: 18-1957-1. Includes (2) spacers,
93320A5
restrictor, open, & blocked gasket. All necessary mounting
hardware is also included.
15 18-8554
MOUNTING KIT
N/A
and 18-1974 Elbow are used together. Included in 18-1908K.
16 18-8555
MOUNTING KIT
N/A
17 18-8556
MOUNTING KIT
N/A
elbow gaskets
18 18-8505
MOUNTING KIT
N/A
19 18-8529
MOUNTING KIT
N/A
elbow gasket.
20 18-8532
MOUNTING KIT
N/A
21 18-0418
MANIFOLD GASKET
96653 /
27-46820
22 18-0897
ELBOW GASKET
27-41813
(RESTRICTOR)
23 18-1908
MANIFOLD SPACER
93322A12
651
(Note: To mount elbows to spacer a separate mounting kit is needed)