4 330 gE Y CUP PIN SEAL ASSY STUD WASHER Speedometer Adapter TIVS 38 70 All 867209 1 90 also part of adapters 1563872 1565812 13 14 1580273 1584275 1584277 1 O L 62 65 Diesel exc 4 cyc Diesel 8 Spd Aux Trans 63 66 Ser 80 409 exc 8 Spd TDM 63 67 TDM 2087805 1 45 5 CLL 63 66 Ser 80 w 8 Spd 6409172 1 1 85 driven gear 63 66 Ser 80 2 cyc Diesel w P T 70 Ser 50 60 Tilt 1582065 1 1 1 1 driven gear 65 Ser 60 80 4 cyc Diesel exc TDM 2446418 1 57 3V 0 L 65 Ser 80 TDM 4 cyc Diesel w New Process 5 Spd 2091329 1 55 65 Ser 80 TDM 4 cyc Diesel w aux trans 2288638 1 35 3 z CLL 65 Ser 80 TDM 2 cyc Diesel w aux 4 Spd 2219288 1 43 drive gear 68 All Fuller 10 Spd w single spd axle 3925677 1 3 210 68 All w Spicer 5 Spd 427 70 Ser 40 thru 60 exc Tilt 2087804 1 55 69 Ser 60 w Spicer 5 Spd 427 A 69 Ser 60 w Fuller 10 Spd 427 70 Ser 60 TDM 610127 1 1 15 38 69 All 860187 1 1 48 CUP grease V4 32 55 59 Ser 4 5 6 7 8 w 2 Spd 1 axle 3685040 1 10 PIN gear lynn 0 L x z square 62 63 Ser 60 Diesel w 15 000 Ib 2 Spd axle 2347192 1 85 SEAL ASSY adapter oil Eaton 42893 62 Ser 60 Diesel w 15 000 lb 2 Spd axle 147664 3 10 STUD adapter to housing Vr 24 x 1V 8 981 68 69 All w 10 Spd 2122920 1 2 00 WASHlER Fuller 5946 4 337 SPEEDOMETER GEARS c GEAR UNIT Speedometer Transmission Drive and 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 Part Speedometer Part Speedometer No Gear Teeth Color Code No Geer Teeth Color Code 3689121 4 15 Gray 3760354 5 19 Purple Orange 3689178 4 13 Purple 3760355 5 20 Purp e White 3731995 4 14 White 3760480 5 18 BIack Purple 3760344 5 17 Black Orange 3760481 5 19 Purple Orange 3760345 5 18 Black Orange 3760482 5 20 Purple White 3760346 5 19 Purple Orange 3823436 4 15 3760347 5 20 Purple White 3824520 4 15 3760348 5 17 Black Orange 3830624 4 15 3760349 5 18 Black Purple 3839114 5 18 3760350 5 19 Purple Orange 3839117 5 17 3760351 5 20 Purple White 3839118 5 20 3760352 5 17 Black Orange 3839119 5 19 3760353 5 18 Black Purple Utility Trucks equipped with 4 Speed Transmission Ring Pinion Speedo Speedo Year Models Tires or Wheel Sizes Gear Teeth Adapter Gear No 38 47 S T V W Y M OR OS OW OY PJ PK PL OJ OK OL 6 00 20 6 and 8 ply 30 x 5 6 and 8 ply 37 6 1565814 38 47 S T V W Y M OR OS OW OY PJ PK PL OJ OK OL 7 50 20 8 ply 37 6 1565812 39 42 V W Y M w 2 Spd 8 25 20 10 ply 8 22 and 6 1 7 1565812 606431 48 55 1V Ton 1st Ser 7 50 20 8 and 10 ply 37 6 1565812 3689121 48 55 1 Ton 1st Ser 10 00 18 12 ply 37 6 1565813 3689121 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31SY REV 6 71 4 css 4 330 4 337