Sierra Marine Parts Catalog

780 18-8520 EXHAUST MANIFOLD MOUNTING KIT Mercruiser GM Small Block V8 305-350cu.in. (Models: 198, 200, 228, 230, 260, 898) Used with: Manifold: 18-1950-1,18-1 951-1, 18-1953-2 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 18-8500 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 18-8508 EXHAUST MANIFOLD MOUNTING KIT Mercruiser GM 4 Cylinder 153cu.in . (Early models 110/120), GM Inline Cylinder 250cu.in. (Model: 160) Used with: Riser: 18-1973 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) 18-4363 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 18-4008 BLOCK-OFF PLATE Replaces: 60207 Barr MC-20-60207 Use with: Riser: 18-1971, 18-1978 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 ➀ This product is priced per piece. To order priced per package, please add -9 to the part number 18-5021 END PLATE Replaces: 805629 Use with: Manifold: 18-1954-1, 18-1955-1, 18-1956-3 I/O — MERCRUISER - Cooling System PIPE PLUGS Part # Replaces Thread Size Description 18-4257 — 1/4" Blacksteel Plug 18-4263 22-32802, 22-328022, 22-328021, 22-841908, 22-30139, F700633, FI5810151, 1/8” - 27 NPT Pipe Plug 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) 56507 Pipe Sealant with Teflon ® is recommended for use on plug threads. RISER BOLTS Part # Replaces Thread Size Description 18-8410 10-43749 3/8”-16 x 5 3 / 4 ” Use w/o remote oil filter 18-8411 10-44387 1/8” - 16 x 6 3 / 4 ” Use with remote oil filter 18-1990 MANIFOLD BLOCK OFF PLATE Replaces: 48045, 54870, 73813, 73813A1, 73813F1 Barr 1-73813 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