l TURBO HYDRAMATICTRANSMISSION 4 338 FITTING BUSHING RETAINER SLEEVE SEAL Speedometer I Driven Gear NOTE For detailed application use speedometer gear chart r 70 Ser 10 20 BIazer Conv D D I w T H 350 l 345215 1 w seal r 68 For application refer to chart in i group 4 337 3756911 1 11 teeth yellow and orange paint 68 For application refer to chart in A group 4 337 g 3 705582 1 20 teeth orange and green paint 68 For application refer to chart in group 4 337 3756915 1 13 teeth green and black paint I 68 For application refer to chart in group 4 337 3749303 1 18 teeth black and white paint 66 For application refer to chart in group 4 337 3756913 1 12 teeth yellow and purple paint 69 Ser 10 20 4 WD I 69 70 Blazer 284414 1 BUSHING 66 70 All w T H 400 1362215 1 RETAINER gear sleeve u l D I 66 69 Allw T H 1362293 1 SLEEVE w seal I 70 Ser 10 20 Blazer 4 WD w T H 350 V 326561 1 SLEEVE p 66 70 All Blazer T H 350 i 6264903 1 SEAL gear fitting O ring hole plug i l D 4 66 72 Allw T H 400 6264904 1 A SEAL gear fitting O ring hole plug 1 O D s 70 Ser 10 20 Blazer Conv D D w T H 350 l 3869910 1 SEAL pinion 4 342 SHAFT ASSY Speedometer without Casing i 1 NOTE 3 For models requiring maximum length of 70 Cut to required length NOTE 4 For models requiring length of 8 1 to 172 Cut to required length 66 72 All 1 6477499 1 consists of shaft tip AC 615 70 0 L Note 3 66 72 AIl 6478825 1 171 0 L Note 4 4 342A SHAFT ASSEMBLY with Casing NOTE Shaft length is generally p1 longer than casing deminsion listed I m 67 69 Ser 20 30 D D 6 478190 1 108 casing 66 All 6478193 1 120 casing V 66 69 All 6478134 1 92 z casing 67 69 Ser 10 thru 30 exc D D W 4 WD 3915561 1 68 68 69 Ser 10 thru 30 exc speed Y T control D D 4 WD 6476 986 1 flex 69 G 10 20 3914974 1 130 casing t Length AC Number 70 72 Ser 10 thru 30 6478120 31 to 34 CC 313 6478121 35 to 40 CC 504 l V 6478122 40 to 44 CC 505 6478123 45 to 48 CC 506 6478124 49 to S2 507 66 72 All 6480250 52 to 56 508 66 72 All 6478126 56 to 60 509 66 72 All 6478127 60 to 64 510 65 72 All 6478128 A 64 to 68 4 CC 529 6478129 68 to 72 512 R U 6478130 72 to 76 CC 513 l 6478131 76 to 80 CC 514 6478132 80 to 84 CC 515 71 72 G 1 2 3 6480377 110 z 0 L 71 72 P 1 2 3 25032283 100 0 L 4 342B Speed and Cruise Control Shaft Assys f 68 69 Ser 10 thru 30 6476986 1 w casing regulator to trans F 4 343 GEAR Speedometer Drive NOTE For detailed application use speedometer gear chart Q 66 Ser 10 thru 30 w 4 11 4 57 5 14 axle 3708145 1 6 00 16 6 70 15 7 10 15 tires 8 teeth 1 0 D x u thick 66 Ser 20 w T H V 67 69 Ser 10 thru 30 w T H 400 8623310 1 15 teeth brown GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72 TL A REV 5 79 4 177 i 4 338 4 343