FUEL EXHAUST CARBURETION Parts in all columns same except wher indicated B104 BUICK 1977 ROCHESTER 4BC See Model Reference for Application GROUP DESCRIPTION OTY 7 8 9 10 11 12 CF BJ BK AG AH Al 3 725 CARBURETOR ASM Prod 1 17057248 17057255 17057256 17057202 17057204 17057502 3 725 CARBURETOR ASM Service y 1 17055529 17055466 17055466 17055122 17055122 17055124 3 725 OVERHAUL PKG 1 17055526 17055223 17055223 17053998 17053998 17055322 3 725 POWER CARBURETOR PKG 1 7039288 7039319 7039319 7039299 7039299 7039299 3 724 GASKET SET 1 17052834 17055181 17055181 17052991 17052991 17052991 AIR HORN PARTS 3 730 SCREW Air Horn 8 32 x 1 2 2 7031105 3 730 SCREW Air Horn 5 7014699 3 730 SCREW Air Horn 10 32 x 3 2 7029912 3 730 AIR HORN ASM 1 17053912 17055216 17055216 17052990 17052990 17052990 3 738 GASKET Air Horn 1 17051797 3 757 SPRING AND CAM PKG Air Valve 1 7035344 3 806 HOLDER PKG Mtr Rod Secd 1 7034522 3 806 ROD Carb Metering Secd 2 7045986 7045984 7045984 7045779 7045779 7045779 3 806 ROD Carb Metering Primary 2 17057754 17051349 17051349 17051352 17051352 17051341 3 842 LEVER Pump Actuating 1 7048169 CHOKE PARTS 3 444 SCREW Aux Vac Brake 1 7043682 7043682 NS NS NS 3 750 RETAINER Stat Cover AR 7000614 3 750 GASKET Stat Cover 1 17050961 3 750 SCREW Choke Hsg Bowl 1 7038808 3 750 COIL AND GASKET Stat Cover 1 17051964 17054309 17054309 17051918 17051918 17051918 3 750 HOUSING PKG Choke 1 17051970 17055095 17055095 17055546 17055546 17055546 3 751 SCREW Choke Valve and Lever AR 7029866 3 752 VALVE Choke 1 7048904 3 752 LEVER Inter Choke 1 7031231 3 752 SCREW Coil Lever 1 7019709 y 3 752 SHAFT Choke 1 7038259 3 752 SEAL Choke Housing To Bowl 1 7043367 3 752 ROD Choke 1 e 7041472 I 3 752 SEAL Inter Choke Shaft 1 7037569 3 752 LEVER Choke Coil 1 7043368 7043368 7041499 7041499 7041499 3 752 LEVER AND SHAFT Inter Choke I 17050754 7041492 7041492 17050754 17050754 17050754 3 755 ROD Vacuum Brk 1 7041527 3 755 LINK Aux Vacuum Brk I 17050738 7043466 7043466 NS NS NS I 3 755 CONTROL AND BRACKET ASM I Vac Brk 1 17051261 7044435 7044435 17050759 17050759 17050759 3 755 CONTROL AND BRACKET ASM Aux Vac Brk 1 17050742 7044433 7044433 NS NS NS 3 755 SCREW Control Attaching 2 17050732 I 3 766 CAM Fast Idle 1 17052371 17056631 17056631 17051176 17051176 17051176 3 766 LEVER Choke 1 7041542 3 842 LEVER Secondary Lockout 1 7041473 FLOAT BOWL PARTS M 3 734 FLOAT BOWL ASM 1 17052842 17055217 17055217 17055081 17055081 17055081 3 734 INSERT Float Bowl 1 7041471 3 740 FILTER Fuel Inlet 1 5651803 3 740 GASKET Filter Nut 1 7024281 3 740 SPRING Fuel Filter 1 7032732 7032732 7043568 7043568 7043568 3 740 BAFFLE Float Bowl 1 I 7031365 3 740 NUT Fuel Inlet Filter 1 7044951 7044951 17051254 17051254 17051254 3 745 FLOAT ASM 1 7046300 7046300 7043379 7043379 7043379 3 747 HINGE PIN Float 1 7041469 WAREI IOUSINGAND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT ON BUICK 41 3 000 GROUP sa c REV 5 81