Rear spring codes

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Feb 3, 2010 | 01:00 PM

Neal 97 250

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Post Fiend

Joined: Mar 2007

Posts: 9,010

Likes: 5

From: Johnson City, TN.

Rear spring codes

What spring is a code 6C34 CA?
Is that a "B" code.

I think it is 2006 from a gasser.

Feb 3, 2010 | 02:05 PM

Waltdog

of American machinists

Joined: Oct 2004

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From: NORTH IDAHO

Front Springs — F-Series
Base part number — 5310 (RH/LH)
Pre-fix — F81A
B — Suffix BA
C — Suffix CA
D — Suffix DA
E — Suffix EA
F — Suffix FA
G — Suffix GA
H — Suffix HA
I — Suffix RA
J — Suffix SA
K — Suffix TA
L — Suffix UA
Pre-fix — 1C34
S — Suffix AAA
T — Suffix ABA
U — Suffix ACA
V — Suffix ADA
W — Suffix AEA
X — Suffix AFA
Front Springs — Excursion
Base part number — 5310 (RH/LH)
Pre-fix — YC35
G — Suffix G
H — Suffix H
S — Suffix S
Pre-fix — 1C34
AG
AH
AJ
Rear Springs — F-Series
L — Rear air suspension
B — 1C34-5560-CB, F-250, F-350
C — 1C35-5560-DB, F-250, F-350
D — YC35-5560-EA, F-250, F-350
M — YC35-5A975-AA, F-450, F-550
N — YC35-5A975-BA, F-450, F-550
Auxiliary Springs — F-Series
A — YC35-5588-A (wide frame)
D — F81A-5588-D (narrow frame)
Rear Springs — Excursion
Base part number — 5560 (RH/LH)
Pre-fix — YC35
A — Suffix A
Pre-fix — 1C34
B — Suffix B

hope this helps

taken from here:
https://www.ford-trucks.com/forums/4...lder_____.html