Excerpt from p.11 of Manual C8A-04 dated June, 1945
Chevrolet Illustrated Parts List for Heavy Utility 4x4 Model C8A—Chassis 8445 and 8448 C8AX
[British] Supply /Mech Orders
C.8AX FOR NZ
S/M 2394
C.8A:
S/M 2554
S/M 2555
S/M 2556
S/M 2557
S/M 2563
S/M 2832
S/M 6013
S/M 6083
S/M 6098
S/M 6168
S/M 6169
S/M 6172
S/M 6207
S/M 6228
S/M 6230
S/M 6233
S/M 6238
S/M 6244
S/M 6269
S/M 6285
S/M 6307
S/M 6342
S/M 6397
S/M 6407
S/M 6524
Miscellaneous Orders
Canada
CDLV 59
CDLV 308
CDLV 309
CDLV 310
CDLV 1512
CDLV 1697
CDLV 1709
CDLV 2519
CDLV 2520
CDLV 2584
CDLV 2610
CDLV 2611
CDLV 3619
New Zealand
NZSM/MS-36
China
AID-CHI-22
France
AID-FR-86
?
CEB-A-1075
British Census Numbewrs for Chevrolets including C8A:
ftp://uploads.clubs.hemmings.com/warchevylisting.htm
Best wishes.