• 4.3L (GEN +) (2 BBL.) GM 262 V-6 1998 - 0L010044 THRU 0M614999
• 4.3L (GEN +) (2 BBL.) GM 262 V-6 1998 - 0L010044 THRU 0M614999
• 4.3L (GEN +) (4BBL) Reman - 1G400000 & Up
• 4.3L CARB ALPHA/BRAVO - 0M615000 THRU 0W300012
• 4.3L CARB ALPHA/BRAVO - 0W300013 THRU 0W309999
• 4.3L CARB ALPHA/BRAVO - 0W310000 THRU 0W649999
• 4.3L CARB ALPHA/BRAVO - 0W650000 THRU 1A063239
• 4.3L CARB ALPHA/BRAVO - 1A063240 & Up
• 4.3L EFI (GEN+) TBI GM 262 V-6 - 0L012009 THRU 0L618999
• 4.3L EFI (GEN+) TBI GM 262 V-6 - 0L619000 THRU 0M322780
• 4.3LH (GEN +) (4 BBL.) GM 262 V-6 1998 - 0L010044 THRU 0M614999