1946 70 TRANSMISSIONS 4 337 SPEEDOMETER GEARS C0n t 39 42 V W Y M w 2 Spd 8 25 20 10 ply 8 22 and 6 17 1565812 606431 48 55 1 2 Ton 1st Ser 7 50 20 8 and 10 ply 37 6 1565812 3689121 48 55 1 2 Ton 1st Ser 10 00 18 12 ply 37 6 1565813 3689121 54 55 2 Ton w 2 Spd 1st Ser 7 50 20 10 ply ef 8 25 20 10 or 12 ply 8 86 and 6 7 None 3689121 48 55 2 Ton 1st Ser 53 55 1 2 Ton 1st Ser 7 50 20 8 25 20 37 6 None 3689171 Y ul GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM i 4 337 4 337 4 42 REV 5 79