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  Date Codes (Click image for larger view)

By Moparr Motor - Detroit (Dec 2010)

The following is an example of some of the date codes that are found on various components on a vehicle.

E-Body Seat track date
336 69 = 336th day of 1969

E-Body Seat track date
330 69 = 330th day of 1969

Radio speaker part number, vendor code and build date
Part number = 2884728
23408 = vendor code
3049 = 304 th day of 1969

Radio part number and assembly date
Part number = 2984759
2619 = 261st day of 1969

Emergency brake date code
8800 = 88th day of 1970

Power steering pulley assembly date
1372 =137th day of 1972

Power steering cooler part number, vendor number and assembly date
Part number =21042
Vendor number = 3399
3179 = 317th day of 1969

Power steering pressure hose date
3118 = 311 th day of 1968

Thermostat housing date code
There is a "faint" 70 at the end of boxes on the right side which represents the year (1970) it was cast. There are 12 boxes that represent the month of the year. There are 5 boxes "checked" with dots for the 5th month (May) of 1970

Thermostat housing part number
2780970

Fuel sending unit part number and date code
Part no = 2947694
Date code = 35th day of 1974

Hood safety date code
2899 = 289th day of 1969

Engine ID and build date
G = 1971
383 CID
Final assembly date 3 25 = March 25, 1971
HP = High performance

Casting date for above referenced
1971 383 HP engine

Engine block number and casting information
2468130 = Engine block number
D & N = Day or Night shift.
This block was cast on the day shift
Clock = The hour that it was cast. This engine was cast during the 2nd hour of production

Alternator part number and assembly date
Part number = 3438171
Vendor number = 233
Assembly date = 28 70 = 28th week of 1970

Alternator date wheel
The alternator has the year ( 70=1970) in the center of the "wheel". Inside the "spokes" of the wheel are checked with dots. There are 6 spokes checked with dots. The alternator is dated the 6th month (June) of 1970

Starter casting number date wheel
Casting number = 2875553
Vendor number 09104
The starter has the year (69=1969) in the center of the "wheel". Inside the "spokes" of the wheel are checked with dots. There are 11 spokes checked with dots. The alternator is dated the 11h month (November) of 1969

Windshield wiper motor part number and assembly date
Part number = 3431077
Vendor number = 7280
Assembly date = 3289 = 328th day of 1969

Horn date code
37th week of 1969

K frame assembly date
2570 = 257th day of 1970

Exhaust manifold casting number and date code
Casting number = 2843992
9 11 68 = October 19, 1968
This manifold would be for a 1969 vehicle

Manual transmission - VIN, build date and part number
9A340917 = The 240,917th vehicle produced at Lynch Road Assembly plant in 1969
PP= New process gear division
833 = 833 transmission
2513= June 14 , 1968
0026 = 26th unit built that day

Build date of the car can be seen vs the dates on the muffler and resonators.

  1. Q clamps used for the muffler to tail pipe.
  2. The exhaust pipe was welded to the resonator.

Air conditioning date code on clutch

Steering gear box for a 1970 Cuda with a build date of March 3, 1970.

Steering gear box for a 1970 Cuda with a build date of March 3, 1970.

Glass
Date code = 269th day of 1969

Intake manifold
Casting date = 9.10.69 or September 10, 1969

LEAF SPRINGS:
Date Code = 271 0 or 271st day of 1970

Part number - 2999585
Vendor code - 4752
Date code = 1969-3 or 3rd quarter of 1969

Part number - 3508587
Vendor code - 4787
Date code = 1969-3 or 3rd quarter of 1969

 
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