Page 816 - 2021 Sierra Catalog

18-1990
MANIFOLD BLOCK OFF PLATE Replaces: 48045, 54870, 73813,
73813A1, 73813F1 Barr 1-73813
18-5021
END PLATE Replaces: 805629 Use with:
Manifold: 18-1954-1, 18-1955-1, 18-1956-3
18-4008 BLOCK-OFF PLATE Replaces: 60207
Barr MC-20-60207
Use with:
Riser: 18-1971, 18-1978
18-1995
MANIFOLD END PLATE Replaces: 47638, 47638A1 GM 4 cyl. 153 cu. in
For: Model 110/120 where carb. linkage mounts to the rear of the engine
PIPE PLUGS
18-4009
MANIFOLD END PLATE Replaces: 52999, 60252, 60252A2 Barr 160252
Use with:
Manifold:18-1960-1, 18-1958-1, 18-1950-1, 18-1951-1
End Plate Gasket: 18-2832-1 Mounting Kit: 18-8512
RISER BOLTS
Part #
Replaces
Thread Size
Description
18-4257
—
1/4"
Blacksteel Plug
Part #
Replaces
Thread Size
Description
18-8410
10-43749
3/8”-16 x 5 3/4”
Use w/o remote oil filter
18-4263
22-32802, 22-328022, 22-328021, 22-841908, 22-30139, F700633, FI5810151,
1/8” - 27 NPT
Pipe Plug
18-8411
10-44387
1/8” - 16 x 6 3/4”
Use with remote oil filter
18-4363
EXHAUST ELBOW MOUNTING KIT Replaces: Barr FM-1-83-P
Use with:
Manifold: 18-1998-1
18-4362
EXHAUST ELBOW MOUNTING KIT Replaces: Barr MC20-60426P
Use with:
Elbow: 18-1971
18-4264
22-32803, 22-87543, FI5880010
3/8” - 18 NPT
Pipe Plug
18-4265
22-428611, 22-42861, 22-861187
3/4” - 14 NPT
Pipe Plug (Brass hexdrive)
18-8111 ➀
22-36392
1/4” - 18 NPT
Pipe Plug
18-4258
22-33198A1, 22-41622
3/4” - 14 NPT
Pipe Plug (Stainless steel w/ square drive)
18-8500
EXHAUST ELBOW MOUNTING KIT Mercruiser 4 Cylinder 224cu.in. 3.7L (Models: 165, 170, 180, 190)
Used with:
Elbow/Reservoir: 18-1905
18-8505
EXHAUST ELBOW MOUNTING KIT Mercruiser GM V6 229 and 262cu.in. (Models 185 and 205), GM Small Block V8 305-350cu. in. (Models: 200, 228, 230, 260, 898), GM Big Block V8 454cu.in. (Models: 330, 340 and 7.4L) Used with:
Riser: 18-1976-2
18-8512
EXHAUST ELBOW
MOUNTING KIT
Mercruiser GM 4 Cylinder 181cu.in. (Models: 120,140, 2.5L,3.0L), GM Inline 6 Cylinder 250- 292cu.in. (Models: 165 and 200), Ford Small Block V8 302-351cu.in. (Models: 215,225,233, 255,888), GM Small Block V8 305, 350cu.in.(Models: 198,228,898)
Used with:
Front Plate: 18-4009
18-8514
EXHAUST ELBOW
MOUNTING KIT
Mercruiser Ford Small Block V8 302-351cu.in. (Models: 215, 225, 233, 255, 888), GM Small Block V8 305-351cu.in. (Models: 198,228,898) Used with:
Riser: 18-1971 & 18-1978
(Not for Fresh Water/Closed Cooling Systems)
18-8520
EXHAUST MANIFOLD MOUNTING KIT Mercruiser GM Small Block V8 305-350cu.in. (Models: 198, 200, 228, 230, 260, 898)
Used with:
Manifold: 18-1950-1,18-1951-1, 18-1953-2
➀ This product is priced per piece. To order priced per package, please add -9 to the part number
798
I/O — MERCRUISER - Cooling System