Wl A POWERGLIDE TRANSMISSION A I 4 338 FITTING RETAINER SEAL Speedometer Driven Gear s NOTE For detailed application use speedometer gear chart 61 63 Ser 10 20 1 3748533 1 V2 0 L A 63 67 er 10 20 w P G V V A i 64 70 G 10 20 A 68 70 Ser 10 20 Blazer 3869914 1 w seal A i 68 For application refer to chart in A group 4 337 V 3756911 1 1 11 teeth yellow and orange paint A 68 For application refer to chart in V V V group 4 337 Q 3705582 1 20 teeth orange and green paint 1 68 For application refer to chart in group 4 337 L 3756915 1 13 teeth green and black paint 68 For application refer to chart in V A group 4 337 3749303 V1 18 teeth black and white paint 66 For application refer to chart in V I I group 4 337 3756913 1 12 teeth yellow and purple paint 1 60 67 Ser 10 20 w P G 1 A V 65 70 G 10 20 A I 68 70 Ser 10 20 Blazer 3708148 1 RETAINER gear fitting I D 62 70 All Blazer 6264903 1 SEAL gear fitting O ring hole plug I I D 1 V A 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 81 to 172 Cut to required length 1 59 D D 1 60 66 Ser 20 D D A 6478825 1 171 Note 4 1 1 64 67 G 10 201 A 6478825 1 171 0 L Note 4 A 59 71 All A 6477499 1 1 consists of shaft tip AC 615 70 0 L Note 3 A 59 72 All AA 6478826 1 171 0 L Note 4 V A 4 342A SHAFT ASSY with Casing 1 A 59 70 All A 6478131 1 77 casing 0 L 1 1 59 71 All 6478126 1 1 u w 56 thru 60 long 59 71 All 6478127 1 u w 61 thru 64 long V 59 D D V 1 I Q Az 60 62 Ser 20 D D A 67 69 Ser 20 D D 6478190 1 108 casing I 60 64 Ser 20 D D V 65 66 All A 6478193 1 120 casing I A 61 63 Ser 10 D D w P G A 1 65 69 All A 6 478134 1 AA 92 casing A 67 69 Ser 20 exc D D V 3915561 1 6B A 1 68 69 Ser 10 20 exc speed control D D 6476986 1 flex A 68 70 G 10 20 Q 3914974 1 130 casing 1 Length AC Number V 70 71 Ser 10 20 V 1 6478120 31 to 34 CC 313 I A 6478121 35 to 40 CC 504 6478122 40 to 44 CC 505 A 6478123 45 to 48 CC 506 6478124 2 49 to 52 507 59 71 All 6480250 52 to 56 508 60 70 All V 6478128 64 1 to 68 CC 529 L 6478129 68 to 72 512 V 6478130 V 72 to 76 CC 513 A 4 3428 Speed and Cruise Control Shaft Assys V 1 68 69 Ser 10 20 6476986 1 A w casing regulator to trans 4 343 GEAR Speedometer Drive V V NOTE For detailed application use speedometer gear chart A 63 66 Ser 10 20 w 4 11 4 57 5 14 I axle I 63 66 Ser 10 w 3 73 axle 6 00 16 6 70 15 7 10 15 tires 59 61 a Ton w econ axle 3 38 63 66 Sar 10 w 3 07 axle A 63 66 Ser 10 w 3 73 axle exc 6 00 1 16 6 70 15 7 10 15 tires 6 95 x 14 tires 55 62 Ton P G 1 3845073 1 1 7 teeth 1 0 D x M thick I 68 70 For application refer to chart in V group 4 337 1 6261795 1 8 teeth I A i GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL t REV 5 79 4 129 V 4 338 4 343 t