SPEEDOMETER GEAR CHARTS 1988 SPEED0 GEAR USAGE CHART NOTE SLEEVE PART NUMBER IS SHOWN ONLY IF SERVICED SEPERATELY WHEN SLEEVE NUMBER IS NOT SHOWN THEN IT IS SERVICED AS PART OF THE DRIVEN GEAR T T S E C E T E O E COLOR SLEEVE M DRIVE T D DRIVEN T OR OR P GEAR H COLOR E GEAR H CODE SENSOR ADAPTER RATIO D A 8640517 17 RED N 14090580 B SEE NOTE B 8642620 15 GRAY O 14090581 C SEE NOTE C 14053347 9 RED P 14090583 E SEE NOTE D 14071731 7 PURPLE Q 25522481 37 RED R 25522483 38 BLUE S 25522485 39 BROWN T 25522489 41 YELLOW U 25522497 45 LT BLUE NOTE DRIVEN GEAR SERVICED TWO WAYS SELECT ONE FOR YOUR APPLICATION B 19T WHITE 14090580 GEAR W SHAFT SLEEVE SEAL 14090592 GEAR W SHAFT Ct20T BLUE 14090581 GEAR W SHAFT SLEEVE SEAL 14090593 GEAR W SHAFT E 22T GRAY 14090583 GEAR W SHAFT SLEEVE SEAL 14090595 GEAR W SHAFT D D A 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 P215 65R15 A P24s sovms 2 73 A 1 7777777777 7 77 7 Il P215 65R15 P245 50VR16 3 08 M39 c P245 BOVRIG 323 H 7 17245 sovme 3 27 A u 2 P215 65 7215 MB1 7777777777 3 2 3E 7 P245 50VR16 3 46 MK6 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17F 4 337 GROUP SPEEDOMETER GEAR 12 REV 6 88