I I I A I ITURIBO I IYIDRAMATICI TRANSMISSION y A I I I 4 189 SPRING Transmission Reverse I A I 69 72 All Iw T H 400 8624073 16 A I direct Iclutch release J A I 4 195 PAN Transmission Oil I I I I I I NOTE 1 Pan has two stamped boss S for identification I I I I I II I I 66 67 All w T H 1st design 8623778 1 I I I A 67 72 All w T H 400 2nd design I 8625766 1 Note 1 A A II 69 72 All Blazer w T Il l 350 8640016 1 A A A A 4 196 GASKET Transmission Oil Pan I I A I i A I I 66 70 AIII I 3921989 A R I I D x 9 10 O D x thk I 66 72 All w T H 400 I 8623266 1 I I I A A A A 69 72 All Blazer w T H 350 A 6261649 1 oil pan to trans case I 4 197 IPIPE ASSY BOLT AFILTER ASSY FILTER UNIT GASKET I II GROMMET SEAL A0rl Pan Pump Suction A NOTE 2 Use with 2nd design oil pan 8625766 which has two stampedbosses I NOTE 1 For use with 2ndIdesign fiIter assy 643774 1 67 72 All w T H 400 8626886 1 oil filter inlet Note 1 I 67 72 All w T H 400 6625769 1 A BOLT shou Ider Note 1 I I 67 72 All w T H 400 2nd design 6259423 I FILTER ASSY less pipe oil pump Note 2 I 66 67 All w T H lst design 6438346 1 A FILTER UNIT w pipe oil pump I I 69 72 All Blazer w T H 350 6261235 1 GASKET screen 69 72 All Blazer w TH350 I 1246417 1 I GASKET UNIT w screen trans oil pump I 67 72I All w T H 400 A 6437746 I 1 I GROMIVIET oil pumpI filter Iassy Note 1 66 72 All w T H 400 1363951 1 SEAL oil pump filter intake pipe to case I A A A I I I O ring A I I 4 203 I BOLT SCREW SEAL SPRING OilISupplyIPumpA I A 66 69 All w T H 3826039 A R I I front pump I 18 x 1 8 900 I 66 69 All II 6261374 A R I I SCREW pump to trans case 18 x A A A 1 4 226 A I 69 A All L 8626916 1I SEAL oil pump body inner 4 226 I 70 71 All Blazer I 3978796 1 I SEAL front oil pump I I I I 69 72 All Blazer w T H 350 3850850 I1 I SPRING front oil pump priming valve A I I A A I A 4 226 I I L IA I I AA 4 205 MODULATOR CLIP HOSE PIPE ASSY RETAINER SEAL ITEE I I I A ASSY VALVE Vacuum I A I I I I I I I 66 72 All w T H 400 I I A I I I I I A I 69 72 AlI Blazer w T H 350 350 3027222 1 I vacuum L I 69 72 All Blazer yv T H 350 exc I I 350 I 3027223 1 I absolute press I I 69 70 Ser 10 20 w T H A350 exc D I I I I A D I A A A I A I 71 72 All Blazer w T H 3 50 3905427 A1 I CLIP vac pipe 68 70 Ser 10 20 G 10 20 6 cyl 3920793 1 I CLIP vacuum modulator pipe I I 38 70 AII A 3987364 A R A IHOSE vacuum modulator u l D 8 962 I I 66 72 All Blazer I 3 937972 1 I I PIPE ASSY vac modulator 62 0 L I 66 72 All w T H 400 I 8627650 A I1 I RETAINER vacuumAmod 69 72 All Blazer w T H 350 I 6261285 1 I RETAINER absolute press 66 72 All Blazer w T H 6264903 2 AA SEAL vacuum modulator u I D x I I I I I Vu 4 338 66 68 Ser I10 thru 30 I 336013 A 1 TEE ASSY Itrans vacuum modulator front I A I A pipe 18 thds 7 447 A 66 72 All w T H 400 A 8623983 1 A VALVE I 69 72 All Blazer w T H 350 6261516 1 I VALVE ASSY vacuum mod I 4 216 RING SPRING TUBE VALVE Transmission Main Valve I 66 70 All I Q 3744352 1 press reg Ivalve spring seat I I 66 All 9411820 1 internal retaining type T 8 934 66 I All I I 6257100 2 SPRING oil pump check valve u 0 L I A 70 All A 3977616 1 A SPRING UNIT low and drive valve 66 All 3795898 1 TUBE servo applicator press 66 I All I I VALVE clutch low servo I 67 70 Ser 10 20 G 10 20 I 3830128 1 downshift timing I s I 66 70 All I 3925674 1 VALVE manual 71 72 All w T H 400 8623422 1A VALVE ASSY w plug pressure reg I 4 224 I PUMP ASSY BODY ASSY COVER ASSY SCREEN ASSY I I Transmission OII A I I I I 66 72 All w T H 400 I 8625954 1 I I II 70 72 All Blazer w T H 350 6264919 1 BODY ASSY oil pump I 67 72 All w T H 400 8625955 1 I COVER ASSY front oil pump 70 72 All Blazer w T l I 350 I A 464181 1 I COVER ASSY oil pump I I GM PARTSADIVISION GENERAL MOTORS CORPORATION CHEIVROLET 72TL I I I 4 189 4 224 I 4 142 I I I I I REV 5 79 I