4 318 GASKET SEAI SEAI ASSY SHIM Transmission Rear Bearing Retainer Ser 10 20 w 3 SPD exc H D extension 5 holes 1 1 D A 3707172 1 Ser 10 thru 30 w 3 SPD H D 4 1 D 4 3709321 1 Ser 10 thru 60 w 4 SPD 4 4 4 591672 l Ser 20 30 D D VAN w H T 4 4 6 7 holes Z 1 dia V 4 8615618 1 Ser 60 w New Process 5 SPD 4 mainshaft NP9l727 5 holes 3l I D 3727149 AR Ser 60 w New Process 5 SPD counterqear NP91204 4 holes 4 I D 4r 4 3727155 1 Ser 70 w Clark 5 SPD countergear retainer 32 l D paper r 2073105 1 Ser 7O w Clarl 5 SPD V 4 V mainshatt retainer thl paper 2280076 1 Ser 70 TDM w Aux Trans mainshatt 2325659 1 Ser 70 TDM w Spicer 5 SPD Ser 80 w Spicer 5 SPD mainshait Spicer 30 223 26 4 holes 2 notches 3726673 1 Ser 70 TDM w Spicer 5 SPD Ser 80 w Spicer 5 SPD countergear Spicer 30 223 27 4 holes 3 dia 3726687 1 Ser 60 w New Process 5 SPD SEAL retainer oil 2 O D 2371881 1 Ser 70 w Clark 5 SPD SEAL mainshaft retainer 2 I D x 2 O D x 2060510 1 Ser 10 20 w r3 SPD P G SEAL ASSY extension oil 2 O D 8612229 1 Ser 10 thru 30 w 3 SPD H D Ser 10 thru 60 w 4 SPD SEAL ASSY oil 21 g LD x 3 O D x EQ thick 3769588 1 Ser 20 30 D D VAN w H T SEAL ASSY rear bearing oil 2 O D 8618702 1 Ser 70 TDM w Aux Trans SHIM countergear 003 2223524 A R Ser 70 TDM w Aux Trans SHIM countergear 010 2223525 A R NOTE Previously released 4 329 ADAPTER ASSY ADA PTER UNI I CONTROI ASSY Speedumeter Ser 60 w 2 SPD axle exc 225 W B Ser 70 SBC w 2 SPD axle 8 72 6 40 axle ratio 3775764 1 Ser 70 2 SPD H D axle w 5 SPD close ratio electric 7 17 9 97 axle ratio Ser 70 w 2 SPD H D axle 6 5 9 04 axle ratio Ser 80 w 2 SPD axle w axle ratios 7 17 9 97 6 5 8 87 Eaton 50397 3769228 1 Ser 10 thru 60 w 3 SPD H D 4 SPD ADAPTER UNIT 3 38 axle ratio w 15 x 5 50 6 50 16 tires 1565812 1 Ser 60 thru 80 w 5 SPD ADAPTER UNIT 7 6 axle ratio w 8 25 20 tires stamped 1584276 1584277 1 Ser 60 w 2 SPD axle exc 225 W B Ser 70 SBC w 2 SPD axle CONTROL ASSY 8 72 6 40 axle ratio 3775765 1 NOTE Previously released 4 330 I EY CUP Speedcmeter Adapter Ser 10 exc 4 WD also included w adapter 1565812 867209 1 Ser 10 thru 80 CUP grease 32 860187 1 NOTE Previously released 4 337 GEAR UNIT TRANSMISSION DRIVEN The following combinations are based on tires having highway type treads For other types sizes and odometer correction factors see Service and Mechanical Dept Product Data Book Section XII Speedometer Part No Gear Teeth Description 3770382 4 15 4 long stamped 3766800 on driven gear 1 3770381 4 16 4 long stamped 3766799 on driven gear 1 h zdgdsit 1VIOtor Division General Motors Corporation rnucx Monet ArAi 0c