7.4L Bravo (Gen 4) GM 454 V-8 1988-1991 - Serial 0B771113 Thru 0D603117 - Cylinder Block and Camshaft

Section Drawing: (Hover or click to view larger)

Ref # Current Part Number Description Superceded From Status Quantity Used
1 9639 CYLINDER BLOCK ASSEMBLY
NLA 1
2 8M0204652 --PLUG, (.250-18 x .41), CYLINDER BLOCK 48340 SS/ACT 4
2 12524 --PLUG, (.375), CYLINDER BLOCK
ACT 2
3 16951Q1 --COCK ASSEMBLY, CYLINDER BLOCK 16951A1 SS/ACT 2
4 69300 --PLUG, EXPANSION - CYLINDER BLOCK (1-3/4" DIA.) 37478 SS/ACT 8
5 52190 --PIN, DOWEL - BLOCK TO HEAD
ACT 4
6 94140 --EXPANSION PLUG, CAMSHAFT BEARING HOLE
ACT 1
7 85684 --BEARING SET, CAMSHAFT
ACT 1
8 8M0160608 LIFTER, HYDRAULIC VALVE - TAPPET 72638 SS/ACT 16
9 4734 CAMSHAFT
ACT 1
10 75588T CHAIN, CAMSHAFT TIMING 75588 SS/NLA 1
11 86481 SPROCKET, CAMSHAFT
NLA 1
12 86482 SPROCKET, CRANKSHAFT TIMING
NLA 1
13 8M0043993 SCREW, (.312-18 x .750), CAMSHAFT TIMING SPROCKET 35339 SS/ACT 3
14 843378 PIN, Dowel (1/4 In. Diameter), CAMSHAFT SPROCKET (1/4" DIA.) 35312 SS/ACT 1
15 848136 WASHER, CAMSHAFT SPROCKET BOLT 39167 SS/ACT 3
16 37682 FITTING, Elbow (45 Degree) , CYLINDER BLOCK
ACT 1
- 65184A88 GASKET SET, Engine
ACT 1
- 18706R5 LONG BLOCK, 7.4L 18706A1 SS/NLA 1
- 809826 SEALER, Red RTV 916011 SS/ACT 1
- 8M0170149 SEALING COMPOUND, (16 Ounce) 342271 SS/ACT 1