GM03 009 9 3 680 ADAPTER EGR VLV 93 C L27 1 24500942 10 3 671 STUD 4EGR VLV ADAP 4 085 93 C L27 2 24501678 A 11 1 745 SEAL C CASE VENT VLV O RING BY PASS 93 C L27 1 25534756 VLV TO INT MANIF 12 N S VALVE C CASE VENT 13 N S SPRING C CASE VENT VLV 14 N S GASKET C CASE VENT VLV CVR KIT1 RPO DEFINITIONS A L27 Q ENGINE 3 8L 3 8L V6 I L67 ENGINE GAS 6 CYL 3 8 L 3 8 1 MFI V6 SUPERCHARGED I T 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 44C 8 92 I 3 65 3 000 GROUP