PLYMOUTH MASTER PARTS LIST

GENERAL INFORMATION

PLYMOUTH MODEL CODES

Car Serial Numbers

 Model

Year

No.

Cyl.

U. S. Built

Canadian Built

  Code

 

Cyl.

Bore

First               Last

First               Last

Q

1928-1929

4

3 5/8"

HL-950-P     HD-999-D

GP-000-P    GP-582-E

 

 

 

 

RW-000-P     RH-977-H

 

U

1929-1930

4

3 5/8"

RR-120-P     RD-999-D

GP-583-W   GC-499-L

 

 

 

 

Y-000-WP     Y-403-EP

 

30-U

1930-1931

4

3 5/8"

1,500,001     1,570,188

9,300,001        9,305,327

PA

1931-1932

4

3 5/8"

1,570,301     1,667,999

9,305,401        9,307,949

 

Fedco Serial Number Code

W P C H R Y S L E D
0 1 2 3 4 5 6 7 8 9

The Reprinted below is from an unknown source document.

When was your U.S. model Q built.

     To determine when your model Q was manufactured, determine the the car's serial number from the medallion on the instrument panel.  Convert the letters into a numeric using the FEDCO chart above.

Then Check the number against the chart to the right to determine the approximate date your car was manufactured.

 

** Reprinted from an unknown source document.

 

Date Serial #  Numeric Sequence Cars Built
06/11/28 HL-950-P 379,501  
06/15/28 HL-980-W 379,800 299
07/14/28 HE-623-Y 386,235 6,435
07/31/28 HD-052-R 390,524 4,289
08/15/28 HD-490-R 394,904 4,380
08/31/28 RW-008-C 400,082 5,178
09/15/28 RW-355-Y 403,555 3,473
09/29/28 RW-959-C 409,592 6,037
10/15/28 RP-366-P 413,661 4,069
10/31/28 RC-060-P 420,601 6,940
11/15/28 RC-674-C 426,742 6,141
11/28/28 RH-103-P 431,031 4,289
12/14/28 RH-504-E 435,048 4,017
12/19/28 RH-584-R 435,844 796
01/15/29 RH-786-H 437,963 2,119
01/31/29 RH-974-R 439,744 1,781
02/04/29 RH-977-H 439,773 29
 

When was your U.S. model U built.

     To determine when your model U was manufactured, determine the the car's serial number from the medallion on the instrument panel.  Convert the letters into a numeric using the FEDCO chart above.

Then Check the number against the chart to the right to determine the approximate month your car was manufactured.

I developed this chart based on the total Detroit production for 1929 divided by 12 months.  Remember this is only an approximation.

RR-120-P to Y-403-EP = 99,178

Y-000-WW Excluded

Production Month Starting    Serial Number  Numeric Sequence Cars Built
January RR-120-P 441,201 5,571
February RR-677-C 446,773 7,871
March RY-464-Y 454,645 8,588
April RS-323-R 463,234 8,571
May RL-180-S 471,806 8,571
June RE-037-E 480,378 8,571
July RE-895-W 488,950 8,571
August RD-752-C 497,522 8,571
September Y-060-DR 506,094 8,571
October Y-146-SS 514,666 8,571
November Y-232-HE 523,238 8,571
December Y-318-PW 531,810 8,571
December End Y-403-EP 540,381

 TOTAL 99,178