I FUEL EXHAUST CARBURETION 3 660 PUMP ASSY Air Injection Reacto Pump 68 70 All Blazer 7806686 1 2 71 All I f 72 All 8 cyl 7817809 1 72 All 6 cyl 7817807 1 3 665 BEARING FAN GREASE SHOE Air Injection Reactor Pump 68 Ser 10 thru 30 7813409 1 FAN L 66 67 Ser 10 thru 30 L 1050525 1 GR EASE 2 oz container 8 800 66 67 Ser 10 thru 30 569584 6 6 SHOE vane 3 670 VALVE ASSY CAP GROMMET PLUG Air Injection Reactor 66 Ser 10 G 10 exc 327 67 G 10 20 283 67 Ser 10 D D 67 Ser 10 20 8 cyl 5354987 A R chk L H 66 Ser 10 283 327 67 G 10 20 283 A 67 er 10 20 5354988 1 chk R H 66 All 67 G 10 20 283 V 1 67 Ser 10 67 Ser 20 exc D D 5696639 1 pump relief V W 66 67 Ser 10 283 A 67 G 10 20 Ser 10 20 283 7033545 1 fuel mixture control V 66 67 All 6 cyl 7027093 1 fuel mixture control A 66 All 327 fuel mixture control I 67 Ser 10 20 327 7033546 1 I 68 Ser 10 20 396 J 7036448 1 relief valve div stamped 28299 68 Ser 10 20 327 exc A T D D 7036449 y 1 diverter stamped 28469 68 G 10 20 6 cyl by pass valve 68 Ser 10 20 6 cyl 7036445 1 diverter stamped 28096 88 Ser 10 20 G 10 20 307 exc D D A T diverter 68 G 10 20 8 cyl exc P G 7036446 1 by pass valve stamped 28099 68 G 10 20 Ser 10 20 250 292 307 7803286 1 pump relief 68 72 All Blazer 5361992 1 air inj check 69 Blazer 6 cyl 6 69 Ser 10 thru 30 6 cyl exc D r D 7029198 1 diverter 69 Ser 10 thru 30 D D 6 cyl 69 G 10 20 6 cyl 7029292 1 diverter 69 G 10 20 Ser 10 thru 30 307 exc A T 69 Blazer 307 70 Ser 20 30 307 7029294 1 diverter V 69 Ser 1 0 thru 30 350 exc A A T 69 Blazer 350 72 Ser 10 20 Blazer 8 cyl exc s V D D 7029296 1 diverter 3 69 Ser 20 30 D D 307 17052772 1 diverter I 1 69 Ser 10 thru 30 396 7029299 1 A diverter L 72 All Blazer 6 cyl 17052770 1 diverter 72 G 10 thru 30 8 cyl 4 17052767 1 diverter 69 G 10 Ser 10 3767304 1 I CAP control valve to carb hose 67 G 10 20 6 cyI i A 67 Ser 10 20 6 cyl exc D D 3901808 1 GROMMET cont valve 66 67 Ser 10 20 327 l 68 Ser 10 20 396 A 7801659 1 PLUG pump pressure setting black 66 Ser 10 283 I 66 Ser 10 D D I 67 G 10 20 283 68 Ser 10 20 exc A T 396 68 G 10 20 exc P G 7801660 1 PLUG pump pressure setting green 66 67 G 10 20 6 cyl I 7801662 1 PLUG pump pressure setting blue 67 Ser 10 20 6 cyl J 5697400 1 PLUG pump pressure setting I 3 672 SILENCER ASSY ELEMENT Air Injection Reactor 68 Ser 10 20 G 10 20 1492575 1 by pass valve diverter valve relief diverter A V valve Note 1 NOTE 1 It may be necessary to use Tube 7035403 for proper fit of muffler and valve 66 67 Ser 10 thru 30 exc 327 396 I 427 6422750 1 ELEMENT a cl w silencer GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 I 3 57 3 660 3 672