|A| thru |D| interchange by including frame assm.
A ----------
BLAZER/JIMMY (full size) 73-79
CHEVROLET 10 PICKUP 73-79
CHEVROLET 20 PICKUP 73-79
CHEVROLET 30 PICKUP 73-79
GMC 1500 PICKUP 73-79
GMC 2500 PICKUP 73-79
GMC 3500 PICKUP 73-79
SUBURBAN 10 73-79
SUBURBAN 1500 73-79
SUBURBAN 20 73-79
SUBURBAN 2500 73-79
B ----------
BLAZER/JIMMY (full size) 80
CHEVROLET 10 PICKUP 80
CHEVROLET 20 PICKUP 80
CHEVROLET 30 PICKUP 80
GMC 1500 PICKUP 80
GMC 2500 PICKUP 80
GMC 3500 PICKUP 80
SUBURBAN 10 80
SUBURBAN 1500 80
SUBURBAN 20 80
SUBURBAN 2500 80
C ----------
BLAZER/JIMMY (full size) 81-84
CHEVROLET 10 PICKUP 81-84
CHEVROLET 20 PICKUP 81-84
CHEVROLET 30 PICKUP 81-84
GMC 1500 PICKUP 81-84
GMC 2500 PICKUP 81-84
GMC 3500 PICKUP 81-84
SUBURBAN 10 81-84
SUBURBAN 1500 81-84
SUBURBAN 20 81-84
SUBURBAN 2500 81-84
D ----------
BLAZER/JIMMY (full size) 85-91
CHEVROLET 10 PICKUP 85-87
CHEVROLET 20 PICKUP 85-88
CHEVROLET 2500 PICKUP 89 (R/V Mdls)
CHEVROLET 30 PICKUP 85-88
CHEVROLET 3500 PICKUP 89-91 (R/V Mdls)
GMC 1500 PICKUP 85-87
GMC 2500 PICKUP 85-87
GMC 2500 PICKUP 88-89 (R/V Mdls)
GMC 3500 PICKUP 85-87
GMC 3500 PICKUP 88-91 (R/V Mdls)
SUBURBAN 10 85-88
SUBURBAN 1500 85-91
SUBURBAN 20 85-88
SUBURBAN 2500 85-91