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Sierra Marine Parts Catalog: Internal Engine Components

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MODULAR GASKET APPLICATION
Engine/Model
Years
Serial No.
Short Block
valve Grind Kit
Chevy 229/3.8L
1983-84
6330183-6919655 ➁ ➄
18-1270
18-1275
Chevy L6 250/4.1L
1970-81
2770032-5813433
18-1255
18-1264
Chevy 262/4.3L
N/A
18-1275
(2Pc. Rm Seal)
1985
6919656-B455459
Chevy 262/4.3L
18-1270
18-1275
(2Pc. Rm Seal)
1986-92
A483581
➀ ➄
Chevy 262/4.3L Gen II
1992
D714370-F802999 ➀ ➄
18-1270
18-1278
Chevy 262/4.3L Gen II
1993-96
D714370-F802999 ➀ ➄
18-1270
18-1278
Chevy 305/5.0L
1977-85
4762210-B525981 ➂ ➄
18-1265
18-1266
Chevy 305/5.0L
--
18-1266
(Rev. Rota.)
1977-85
4762210-B525981➂ ➄
Chevy 305/5.0L
18-1258
18-1266
( 1 Pc. Rm Seal)
1986
A482027-B525981 ➀ ➄
Chevy 305/5.0L
(Rev. Rota.)
18-1263
18-1266
(1 Pc. Rm Seal)
1986
A482027-B525981 ➀ ➄
Chevy 305/5.0L
1987-95
B525982 & Later  ➀ ➄ ➇
18-1268
18-1267
Chevy 305/5.0L Inboard
1987-95
B522506 & Later  ➀ ➄ ➇
18-1268
18-1267
Chevy 305/5.0L
18-1263
18-1267
(Rev.Rota) Inboard
1987-95
B522506 & Later  ➀ ➄
Chevy 350/5.7L
1975-86
4175500-B525982 ➂ ➄ ➍
18-1265
18-1266
Chevy 350/5.7 Inboard
1975-86
4498701-B522506 ➂ ➄
18-1265
18-1266
Chevy 350/5.7
--
18-1266
(Rev.Rota) Inboard
1975-86
4498701-B522506 ➂ ➄
Chevy 350/5.7L
18-1268
18-1266
(1Pc. Rm Seal)
1986
6218462-B522506 ➀ ➄
Chevy 350/5.7L
18-1268
18-1266
(1Pc. Rm Seal) Inboard
1986
A492879-B522506 ➀ ➄
Chevy 350/5.7L
(Rev.Rota)
18-1263
18-1266
1986
A492879-B522506 ➀ ➄
(1 Pc. Rm Seal)
Chevy 350/5.7L
1987-95
B525982 & Later ➀ ➄ ➇
18-1268
18-1267
Chevy 350/5.7L
1996-97
B525982 & Later ➀ ➄ ➇
18-1268
18-1267
Chevy 350/5.7L Inboard
1987-95
B522506 & Later ➀ ➄
18-1263
18-1267
Chevy 350/5.7L Inboard
1996-97
B522506 & Later ➀ ➄
18-1263
18-1267
Chevy 350/5.7L
18-1263
18-1267
(Rev.Rota.) Inboard
1987-95
B522506 & Later ➀ ➄
Chevy 350/5.7L
(Rev. Rota.) Inboard
1996-97
B522506 & Later ➀ ➄
18-1263
18-1267
18-1256
18-1257
Chevy 454/7.4L
1977-92
4623115-D937001
Chevy 454/7.4L Inboard
1977-92
4623110 & Later 18-1256
18-1257
Chevy 454/7.4L
18-1256
18-1257
(Rev.Rota.) Inboard
1977-92
4623110 & Later ➄ ➇
Chevy 454/7.4L
18-1256
18-1259
(Sq. Ports)
1988-91
B721206-D805068
Chevy 454/7.4L Gen V
1992-94
D603118 & Later 18-1261
18-1258
Chevy 454/7.4L Gen V
1995-97
D603118 & Later 18-1261
18-1258
Chevy 454/7.4L
1992-94
D715494 & Later 18-1261
18-1258
Gen V Inboard
Chevy 454/7.4L
Gen V Inboard
1995-97
D715494 & Later 18-1261
18-1258
Chevy 454/7.4L
Gen V (Sq. Ports)
1992-94
D805069 & Later 18-1261
--
Chevy 454/7.4L
Gen V ( Sq. Ports)
1995-97
D805069 & Later 18-1261
--
Chevy 502/8.2L
1990-92
C84992-F213244
18-1256
18-1259
18-1256
18-1259
Chevy 502/8.2L Inboard
1990-92
C878221-D857199
Chevy 502/8.2L Gen V
1993-97
D824589 & Later 18-1261
--
Chevy 502/8.2L
Gen V Inboard
1993-97
D857200 & Later 18-1261
--
--
18-1273
Ford 302/5.0L
1971-77
3108723-4887829 ➃ ➄
Ford 351/5.8L
1975-77
4173000-4902304 ➃ ➄
18-1269
18-1273
Ford 351/5.8L
18-1269
18-1273
(Rev. Rota.)
1975-77
4173000-4902304 ➃ ➄ ➊
Intake/exhaust manifold gasket included in kit
Full circle rear crankshaft seal, one piece oil pan gasket
Rear main crankshaft seal also required
3.8L models require 18-1211 rear crank seal
and 18-0362 oil pan gasket
Crankshaft seals also required
Starboard dip stick models require 18-0411
Models with cast push rod cover require 18-0328
oil pan gasket set
Crankshaft seals not included in short block kit
Four piece oil pan set
Use 18-4349 for serial no.6218462-B525981
577
Head & valve cover gaskets included in valve grind kit
For models with one piece rear main seal use18-1206 kit