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You are here: Home Part Numbers Index Pulley, Crankshaft (MASTER LIST)
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Pulley, Crankshaft - MASTER LIST

  

NOTE: Items listed here specifically pertain to '73-'79 Ford F100/350 trucks, but may have other applications (other Ford car/van/truck models) that are not included.

All part numbers and specifications are as reported in the 1973-1979 Ford Truck Master Parts Catalog unless otherwise noted.
 

# - Identification marking

6312 PULLEY ASSY. (CRANKSHAFT) - Incl. damper
6 CYL - 3.9L (240 C.I.D.), 4.9L (300 C.I.D.)
YEAR MODEL/RESTRICTIONS QUANTITY PART NUMBER DESCRIPTION
240 300
L/D		 300
H/D
73/74
74
75/77
77
T/E
E-F100 - Calif. "Before Ser. 080,001"
E-F100 - monolithic timing - "From Ser. 080,001"		 1



 
1
1
1		 D4TZ 6312-A #D4TE 6316-BA - triple sheave -
6 11/16" inner dia. x 6 5/16" outer dia.
73
73
74
75/77
77

75/77
78
79 		E300, F250/350, P350/500
B-F500
Without T/E
B-E-F-P150/500-
B-E-F-P150/500 - exc. Calif. - "From Ser. 080,001"
E-F100 E-F100/350
E-F100/250 - exc. Calif.
E-F350		 1
1
1
1
1

1
1
1





1
1
1		 C5TZ 6312-L #C8TE 6316-B - triple sheave - 6 45/64"
(2) inner pulley dia. x 6 5/16" outer dia.
x 2 3/32" long
(2) inner pulleys use 3/8" belts -
outer pulley uses 1/2" belt -
incl. (1) C6TZ 6023-B pointer
79 E-F100/250 - Calif. 1 D9TZ 6312-A #D8TE 6316-GA - triple sheave
73/ 1 1 1 377850-S (BB-273-A) - bolt (6312 to crankshaft)
5/8" - 18 x 2"
73 F100 - hang-on A/C 1 D2TZ 6A312-B PULLEY ASSY. (CRANKSHAFT OUTER) -
also refer to pulley I.D. chart.
Section 60, page 12.
 
6A312 PULLEY ASSY. (CRANKSHAFT OUTER)
8 CYL. - 5.0L (302 C.I.D.)
YEAR MODEL/RESTRICTIONS QUANTITY PART NUMBER DESCRIPTION
302
73/74 E100/300 - std. cooling and std. alternator 1 C9TZ 6A312-B #C9TE 6A312-C - single sheave -
4 5/16" dia.2 5/32" long -
uses 3/8" belt - incl. (3) 42998-S-8 bolt
73 E100/300 - hang-on A/C 1 D3UZ 6A312-B
73/74 E100/300 - integral A/C 1 D1TZ 6A312-B #D1TE 6312-BA - triple sheave -
8 13/32" outer sheave dia. -
6 1/2" inner sheave dia. -
uses 1/2" belts
73/74 E100/300 - P/S without A/C and T/E 1 D1TZ 6A312-A #D1TE 6312-AB - double sheave -
6 3/8" pulley dia. - 2 13/16" long -
uses 3/8" belts
74 E100/300 - T/E with or without P/S without A/C 1 D4UZ 6A312-A #D3UE 6312-AA - triple sheave -
6 3/8" - uses 3/8" belts
73/74

77/
77/
78		 F100 - std. cooling and std. alternator - without T/E
F100 - without T/E,P/S or A/C
F150 - without P/S or A/C
F100/150 - A/T Calif. without P/S or A/C		 1

1
1
1		 D0ZZ 6A312-A #D0ZE 6312-B - triple sheave -
6 11/16" dia. - 5 15/16" dia. -
replaces single sheave pulley #D0OE 6312-A
73/
79		 F100 - hang-on A/C
E100/250 - hang-on A/C		 1
1		 D2AZ 6A312-E
73/

73/74
73/74

77/
77/
78

78/
79		 F100/150 - P/S - without A/C or T/E
F100 - integral A/C without T/E
F100 - 55 amp. alternator with or without P/S - without A/C
F150 - with A/C or P/S
F100 - T/E and A/C
F100 - P/S with or without T/E or A/C
F100 - A/C without T/E
E100/250 - with or without A/C		 1

1
1

1
1
1

1
1		 D5DZ 6A312-A #D3DE 6312-AA - four sheaves
74/
78		 F100 - T/E without P/S or A/C
F100 - M/T Calif. without P/S or A/C		 1
1		 D4TZ 6A312-B #D3AE 6312-BA - double sheave -
6 9/16 " dia. outer pulley -
5 3/4" dia. inner pulley
74/ F100 - T/E, P/S without A/C 1 D4AZ 6A312-A #D3AE 6312-C1A, C2A -
four sheave -
replaces pulleys #D3AE 6312-AA
79 E100/250 - hang-on A/C 1 D0OZ 6A312-E #D0OE 6312-B - two sheaves -
may be required to install hang-on
A/C on units equipped with
D0AE 6312-C or D0OE 6312-C O.E. pulleys
 
6A312 PULLEY ASSY. (CRANKSHAFT OUTER)
YEAR MODEL/RESTRICTIONS QUANTITY PART NUMBER DESCRIPTION
351W    
75/
75/		 E100/350 - without A/C
E100/350 - integral A/C		 1
1		 D5DZ 6A312-A #D3DE 6312-AA - four sheaves -
used to serviced pulley
indent. D0OE 6312-B
75/ E100/350 - hang-on A/C 1 D2AZ 6A312-E
79 E100/350 - hang-on A/C 1 D0OZ 6312-E #D0OE 6312-B - two sheaves -
may be required to install hang-on
A/C on units equipped with
D0AE 6312-C or D0OE 6312-C O.E. pulleys
 
6A312 PULLEY ASSY. (CRANKSHAFT OUTER)
8 CYL 5.8L (351M C.I.D,), 6.6L (400 C.I.D.)
YEAR MODEL/RESTRICTIONS QUANTITY PART NUMBER DESCRIPTION
351M 400
77/
77/		 F100 - T/E Without P/S or A/C
F150/350 - T/E without P/S or A/C		 1
1		 1
1		 D4TZ 6A312-B #D3AE 6312-BA-double sheave
77/
77
77/
77/
77/
78
78		 F100 - T/E, P/S or A/C
F100 - T/E & A/C without P/S
F150/350 - T/E & P/S without A/C
F150/350 - T/E, P/S & A/C
F150/350 - T/E & A/C without P/S
F150/350 - P/S & A/C without T/E
F150/350 - Idler pulley without A/C, P/S or T/E		 1
1
1
1
1
1
1		 1
1
1
1
1
1
1		 D4AZ 6A312-A #D3AE 6312-C A - four sheave -
used to service pulley ident.
D3AE 6312-AA, D0OE 6312-B
77/ F150/350 - without T/E, P/S or A/C 1 1 D0ZZ 6A312-A #D0ZE 6312-B - Triple sheave
77/

77
77		 F150/350 - P/S without A/C or T/E
F150/350 - P/S & A/C without T/E
F150/350 - A/C without P/S or T/E		 1
1
1		 1
1
1		 D5DZ 6A312-A #D3DE 6312-AA - four sheave
77/ F100/350 - hang-on A/C 1 1 D2AZ 6A312-E
 
6A312 PULLEY ASSY. (CRANKSHAFT OUTER)
8 CYL. 5.9L (360 C.I.D.), 6.4L (390 C.I.D.)
YEAR MODEL/RESTRICTIONS QUANTITY PART NUMBER DESCRIPTION
360 390 2/B 390 4/B
73/75 F100/250 - P/S and S/C without T/E 1 1 * C8AZ 6A312-C
r/b C8AZ 6A312-D (10/79)		 #C8AE 6312-C - double sheave
6 21/32" large pulley dia. - 6"
small pulley dia. - inner pulley
uses 3/8" belt - outer pulley
uses 1/2" belt
73/76
73/76
73/76
74
73/76		 F100/250 - 4/W/D and P/S without A/C
F100/250 - 2/W/D and P/S with X/C
F350 - without A/C
F100 - with T/E and P/S without A/C
M450/500		 1
1
1
1
1
1
1

1
1
1

1		 C8AZ 6A312-D #C8AE 6312-D - triple sheave -
6 21/32" inner pulley dia. -
6 5/32" outer pulley dia. -
inner pulleys use 3/8" belts -
outer pulley uses 1/2" belt -
use as replacement for
pulley #D4TE 6A312-AA
73/76 F100/350 - without T/E 1 1 1 C8AZ 6A312-E #C8AE 6A312-B - single sheave -
6 25/32" pulley dia. -
uses 3/8" belt
73/76 F100/350 - without P/S or A/C 1 1 1 D3TZ 6A312-C #C8AE 6312-E - double sheave -
6 3/4" O.D.
73 F100/350 - integral A/C - " Before Ser. R20,001" 1 1 D3TZ 6A312-A #D3TE 6312-AA - triple sheave -
7 5/32" inner pulley dia. -
8 13/32" outer pulley dia.
73/76 F100/350 - integral A/C - "From Ser. R20,001" 1 1 1 D3TZ 6A312-B #D3TE 6312-AB - triple sheave -
7 5/32" inner pulley dia. -
7 5/16" outer pulley dia.
73 F100/250 - hang-on A/C 1 1 D2TZ 6A312-A
74/76 F100/250 - hang-on A/C 1 1 D4TZ 6A312-A
 
6A312 PULLEY ASSY. (CRANKSHAFT-OUTER)
8 CYL. 7.5L (460 CID)
YEAR MODEL/RESTRICTIONS QUANTITY PART NUMBER DESCRIPTION
460
73/ F100/350 - without A/C 1 D0AZ 6A312-A #D0AE 6312-A - double sheave
73/ F100/350 - A/C 1 D0SZ 6A312-B #D0SE 6312-B - triple sheave
74/75 M450/500 1 D0OZ 6A312-C #D0OE 6312-D - triple sheave
75/ E250/350 - without A/C 1 D5TZ 6A312-A double sheave
75/ E250/350 - hang-on A/C 1 D2AZ 6A312-C
75/ E250/350 - integral A/C 1 D5UZ 6A312-B #D5UE 6312-BA - triple sheave

 

Symbol (in the text listings or exploded-view diagram) indicates part is not supplied for service due to the following:
  a. Part is superseded and replaced as indicated in the description column of text
b. Part can be improvised as indicated in the description column of text
c. Due to it's function there would be little or no demand
 

 
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