FUEL EXHAUST CARBURETION 3 681B SWITCH VALVE EGR AND EGR COMBINATIONS C0n t 81 X 151 EXC W52 3046782 1 11 60 VALVE EGR CONT 2 PORT BLACK 135 DEG 3 681C SWITCH VALVE EFE EFE COMBINATIONS 76 H 231 3031427 1 N L SWITCH EGR EFE CONT 5 PORT 3031427 STAMPED 76 X 350 3031427 1 N L SWITCH EGR EFE CONT 5 PORT 3031427 STAMPED 77 ALL 151 W CALIF 3037495 1 25 00 SWITCH EFE EGR CONT 4 PORT YELLOW 77 ALL 231 3033795 1 N L SWITCH EFE EXH EFE 4 PORT NATURAL 120 DEG 77 ALL 231A 3040827 1 21 70 SWITCH EFE EGR 4 PORT ORANGE 120 DEG 77 78 ALL 305 350L 3031386 1 N L SWITCH EFE CONT 2 PORT GREEN 77 H 151 W FED 3036689 1 19 10 SWITCH EFE EGR CONT BLACK 77 X 151 3037495 1 25 00 SWITCH EFE EGR CONT 4 PORT YELLOW 78 79 ALL 151 1 W CALIF 3040871 1 21 55 SWITCH EFE SPARK CONT 78 ALL 151V W FED 3039238 1 22 90 SWITCH EFE EGR CONT 4 PORT GRAY 110 DEG 78 ALL 231A EXC FED A T 3033795 1 N L SWITCH EFE EGR CONT 4 PORT NATURAL 120 DEG 78 ALL 231A W FED A T 3040827 1 21 70 SWITCH EFE EGR 4 PORT ORANGE 120 DEG 78 79 ALL 350X 3033795 1 N L SWITCH EFE EGR CONT 4 PORT NATURAL 120 DEG 79 A B F G X 305 3041857 1 12 20 SWITCH EFE CONT 2 PORT YELLOW 120 DEG 79 ALL 231A EXC CALIF 3040827 1 21 70 SWITCH EFE EGR 4 PORT ORANGE 120 DEG 79 ALL 231A 2 W CALIF 3033795 1 N L SWITCH EFE EGR CONT 4 PORT NATURAL 120 DEG 79 ALL 301 3040871 1 21 55 SWITCH EFE 4 PORT 3040871 STAMPED 79 ALL 350L 3041857 1 12 20 SWITCH EFE CONT 2 PORT YELLOW 120 DEG 79 H 305 EXC CALIF 3041857 1 12 20 SWITCH EFE CONT 2 PORT YELLOW 120 DEG 80 A 229 3039144 1 21 55 SWITCH EFE CONT 4 PORT 80 ALL 231A W FED 3040827 1 21 70 SWITCH EFE EGR 4 PORT ORANGE 120 DEG 80 ALL 301 3040871 1 21 55 SWITCH EFE 4 PORT 3040871 STAMPED 80 ALL 305 3043015 1 14 25 SWITCH EFE 2 PORT BLACK 90 DEG 80 B 350X 3040827 1 21 70 SWITCH EFE EGR 4 PORT ORANGE 120 DEG 80 F H 231A W CALIF 3040943 1 21 70 SWITCH EFE EGR CONT 3 PORT DK BLUE 120 DEG 80 G 231A W FED CLOSED LOOP 3033795 1 N L SWITCH EFE EGR CONT 4 PORT NATURAL 120 DEG 80 H 231A W CALIF IVI T 3033795 1 N L SWITCH EFE EGR CONT 4 PORT NATURAL 120 DEG 80 81 X 2 8 14003930 1 7 60 SWITCH EFE 2 PORT NATURAL 112 118 DEG 81 A 267 W NI I6 EXPORT CANADA 3041857 1 12 20 SWITCH EFE CONT 2 PORT YELLOW 120 DEG 81 A B 231A W NI I6 EXPORT CANADA 3040827 1 21 70 SWITCH EFE EGR 4 PORT ORANGE 120 DEG 81 A B 260 3048786 1 14 30 SWITCH EFE CONT 2 PORT BROWN 70 DEG 81 F 267 W NM6 EXPORT CANADA 3041857 1 12 20 SWITCH EFE CONT 2 PORT YELLOW 120 DEG 81 F 305 3043015 1 14 25 SWITCH EFE CONT 2 PORT BLACK 90 DEG 76 77 ALL 350P 400 455 3031520 1 20 45 VALVE EGR EFE 4 PORT 120 DEG BLACK 76 X 260 W CALIF 3031520 1 20 45 VALVE EGR EFE 4 PORT 120 DEG BLACK 78 ALL 301 3039492 1 22 20 VALVE EGR EFE 4 PORT BLACK 135 DEG L T 1987 GENERAL MOTORS SERVICE PARTS 0PERATIONS PONTIAC 21 3 681 3 681 3 74 REV 7 87