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454 Mag Alpha (Gen 4) GM V-8 1986-1988 - Serial 0A631894 Thru 0B785148 - Crankshaft, Pistons And Connecting Rods

Section Drawing: (Hover or click to view larger)

Untitled Document
Ref. OEM Part # Hardin # Mallory # GLM # Other # Description Num Req. Superceded From Special Notes
1 737-879194035         PISTON AND PISTON PINS ASSEMBLY (STANDARD) 8 737-6523 This Part is No Longer Available
2 737-6615T1         PISTON AND PISTON PIN ASSEMBLY (.030 O.S.) AR 737-6615 This Part is No Longer Available
2 39-67127         RING, PISTON (STANDARD) 8

2 39-67128         RING, PISTON (.030 O.S.) AR   This Part is No Longer Available
3 23-818473         BEARING UNIT, CRANKSHAFT (STANDARD) 4 23-85721
3 23-818474         BEARING UNIT, CRANKSHAFT MAIN (.001 U.S.) AR 23-85685
3 23-818475         BEARING UNIT, CRANKSHAFT MAIN (.002 U.S.) AR 23-85723
3 23-85724         BEARING UNIT, CRANKSHAFT MAIN (.010 U.S.) AR   This Part is No Longer Available
3 23-818477         BEARING UNIT, CRANKSHAFT MAIN (.020 U.S.) AR 23-85725
4 23-818473001         BEARING UNIT, CRANKSHAFT MAIN - REAR (STANDARD) 1 23-85686
4 23-818474         BEARING UNIT, CRANKSHAFT MAIN - REAR (.001 U.S.) AR 23-85687
4 23-818475         BEARING UNIT, CRANKSHAFT MAIN - REAR (.002 U.S.) AR 25-85688
4 818476001         BEARING UNIT, CRANKSHAFT MAIN - REAR (.010 U.S.) AR 23-85689
4 23-818477         BEARING UNIT, CRANKSHAFT MAIN - REAR (.020 U.S.) AR 23-85690
5 17-843378         PIN, DOWEL - REAR BEARING CAP (1/4" DIA.) 1 17-35312
6 26-14756   676-9-61624 700-85960   OIL SEAL, REAR BEARING CAP 1
2
7 230-6540         FLYWHEEL 1

8 10-845757         SCREW, FLYWHEEL TO CRANKSHAFT 6 10-49845
9 18643A7     700-11530   COUPLING ASSEMBLY 1 18643A2
10 269011         RUBBER BUMPER (OLD DESIGN) 3 26901
10 18644         RUBBER BUMPER (NEW DESIGN) 3

11 10-14883         SCREW, COUPLING 3

12 12-13510         WASHER, COUPLING SCREW 3

13 861523A9   676-9-72503   525-861523A9 COUPLING ASSY 1 812964A2 ROUND
14 10-37612         SCREW, COUPLING 6
ROUND
15 12-20572         WASHER, COUPLING SCREW 6
ROUND
16 614-3553         CONNECTING ROD ASSEMBLY 8

17 10-52192         BOLT, CONNECTING ROD ASSEMBLY 16

18 11-37493         NUT, CONNECTING ROD CAP BOLT 16

19 23-85726001         BEARING SET, CONNECTING ROD (STANDARD) 8 23-85726
19 23-85727         BEARING UNIT (PAIR), CONNECTING ROD (.001 U.S.) AR

19 23-85728         BEARING UNIT (PAIR), CONNECTING ROD (.002 U.S.) AR   This Part is No Longer Available
19 23-85691         BEARING UNIT (PAIR), CONNECTING ROD (.010 U.S.) AR

19 23-85729         BEARING UNIT (PAIR), CONNECTING ROD (.020 U.S.) AR

20 429-6612         CRANKSHAFT 1   This Part is No Longer Available
21 28-34466         KEY, CRANKSHAFT PULLEY AND BALANCER 2