Page 803 - 2021 Sierra Catalog

Item No. Description OE No. Application
1 18-1952-1 MANIFOLD 99746A8
GM (V6) 229 & 262 cu.in. Models 185 & 205 (Port & Starboard). Use with Manifold Gasket: 18-2909; Mounting Kit: 18-8533.
2 18-2849-1 ELBOW GASKET (OPEN) 27-818832
Fits Manifold: 18-1952-1; Manifold Spacers: 18-1985, & 18-1908; Elbows: 18-1970-2, & 18-1976-2
3 18-0897 ELBOW GASKET (RESTRICTOR) 27-41813
Fits Manifold: 18-1952-1; Manifold Spacers: 18-1985, & 18-1908; Elbows: 18-1970-2, & 18-1976-2
6" Spacer for Manifold: 18-1952-1. Use with mounting kit 18-8556. 4 18-1985 MANIFOLD SPACER 93322A12 (Note: To mount elbows to spacer a separate mounting kit is
required)
5 18-1908 MANIFOLD SPACER 933220
3" Spacer for Manifold: 18-1952-1. Use with mounting kit 18-8555 with 18-1976-2, or mounting kit 18-8554 with 18-1970-2.
6 18-0672 ELBOW GASKET (BLOCKED) 27-860231 Fits Manifold: 18-1952-1; Elbows: 18-1970-2, & 18-1976-2
7 18-4461 HOSE FITTING N/A 3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
8 18-2909 MANIFOLD GASKET N/A Gasket for Manifold: 18-1952-1. Included in 18-8533 mounting kit.
9 NSS MOUNTING BOLT N/A Included in 18-8533 mounting kit.
3" Riser Kit for Manifold: 18-1952-1. Includes (2) spacers, restrictor, 10 18-1908K MANIFOLD SPACER KIT 807476A6, 93320A5 open, & blocked gasket. All necessary mounting hardware is also
included.
11 18-8216 HOSE FITTING N/A 3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
12 18-8215 HOSE FITTING N/A 3/4" - 14NPT X 3/4" Hose (Corrosion Resistant Brass Fitting)
13 18-1976-2 MANIFOLD ELBOW (4” hose • 7° down 44354A3, 807914A1 Fits Manifold: 18-1952-1. Use Elbow gaskets: 18-2849-1, 18-0897, angle) or 18-0672; Use mounting kit: 18-8554
14 NSS MOUNTING BOLT N/A Included in 18-8505 mounting kit.
15 NSS MOUNTING STUD N/A Included in 18-8529 mounting kit.
MANIFOLD ELBOW (3” hose • 0° down Fits Manifold: 18-1952-1. Use Elbow gaskets: 18-2849-1, 18-0897, 16 18-1970-2 angle) 98504A3 or 18-0672; Use mounting kit: 18-8529, or if spacer is included use
18-8555
17 18-8556 MOUNTING KIT N/A
Use with Manifold Spacer: 18-1985. Includes (1) 18-2849-1 & 18-0897
18 18-8554 MOUNTING KIT N/A
Use with Manifold Spacer: 18-1908 with Riser 18-1970-2. Included in 18-1908K. Includes (1) 18-2849-1 & 18-0897 elbow gaskets.
19 18-8529 MOUNTING KIT N/A Use with Riser: 18-1970-2. Includes 18-0897 elbow gaskets
20 18-8555 MOUNTING KIT N/A
Use with Manifold Spacer: 18-1908 with Riser 18-1976-2. Included in 18-1908K. Includes (1) 18-2849-1 & 18-0897 elbow gasket.
21 18-8505 MOUNTING KIT N/A Use with Riser: 18-1976-2. Includes 18-0897 elbow gasket.
22 18-8533 MOUNTING KIT N/A Use with Manifold: 18-1952-1. Includes 18-2909 manifold gasket.
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