• 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