In case this gets put into the archives, here's an application guide chart:
Delco Remy Idle Stop Solenoid Guide
19691/2-1971 Mopar Applications
Stamping# DR1114421
Part# 3514520 Early (Carter AVS)
Part# 3549318 Late (Carter AVS)
1970 440
Carburetor: 4737S, 4739S, 4741S, 4740S
Hex head with cap, no integral bracket
Stamping# DR1114442
Part# 3514892 (Carter AVS)
1970 340
Carburetor: 4936S, 4937S
Round head, no integral bracket
Stamping# DR1114442 or DR1114447 (Evidence of either number being factory original)
Part# 3438303 (Carter AVS)
1970 440 4738S
1971 440 4968S
Hex head with cap, no integral bracket
Stamping# DR1114441
Part# 3438777 (Holley)
1971 383 4667A, 4734A, 4668A, 4735A, 6191A, 6193A
Hex head with cap, no integral bracket, but includes wiring harness
Stamping# DR1114429
Part# 2875975 (and Part# 3438333) (Holley, Carter AFB, Carter Thermoquad)
1970 440+6 4375A, 4734A, 4376A, 4144A
1970 340+6 4791A, 4792A
1970 426 4745S, 4746S
1971 426 4969S, 4970S
1971 340 4972S, 4973S
Round head with integral bracket
Stamping# DR1114443
Part# 3438338 (Holley)
1971 440+6 4669A, 4670A
Hex head with cap
Stamping# DR1114420
Part# 3412059 (Holley)
19691/2 440+6
Hex head with cap
*Some information on this list was contributed by Tony D’Agostino, Bill Rolik, and Frank Badelson
