SPEEDOMETER GEAR CHARTS 3 V 1987 SPEEDO GEAR USAGE CHART A R1 2 3 3 SPEED NOTE SLEEVE PART NUMBER IS SHOWN ONLY IF SERVICED A A SEPERATELY WHEN SLEEVE NUMBER IS NOT SHOWN THEN IT IS SERVICED AS PART OF THE DRIVEN GEAR T T S A E E T E E COLOR SLEEVE M T DRIVEN T OR OR P H COLOR GEAR H CODE SENSOR ADAPTER RATIO D 6261796 3987918 18 BROWN 345215 H 3950352 0 8241 C 3987920 20 BLUE 345215 I 3950354 0 9743 Y A 3987921 21 RED 345215 J 6273218 0 8974 8 3987922 22 GRAY 345215 K 1 4008207 0 6862 BJ x D D A I R G R G D I E I E A V A V A P TIRE SIZE AXLE TRANS E R E R T N R P205 75R15 P205 75R15OR P225 75R15 P235 75R15 P235 75R15OR 3 08 M64 HH A P2O5 A75R15 P205 75R15OR J V P225 75R15 P235 75R15 P235 75R15OR A 3 42 A HEI A A II A P205 75R15 P205 75R15OR A A Il A A P235 75R15 P235 75R15OR 34 73 A 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LIGHT TRUCK 52R 4 337 SPEEDOMETER GEAR 38 REV 1 88