ISPEEDO GEAR AND SHAFTS 6 7 4 330 SEAL 3 I gDOMETER DRIVEN GEAR SLEEVE 86 1 15513835 FS6106A O RING MECHANICAL SPEEDO OPENING PLUG 14142 4 330 SLEEVE SPEEDOMETER DRIVEN GEAR 7 5387 NOTE SEE SPEEDOMETER ADAPTER CHART FOR ADDITIONAL INFORMATION 86 1 2396891 FS6106A REPL 8885973 9325O 4 337 GEAR DRIVEN SPEEDOMETER 7 5350 86 1 8885975 FS6106A 86139 4 338 PLUG SPEEDOMETER SWITCH HOLES 7 5370 88 1 1 15524862 FS4005A FS4005B MECHANICAL SPEEDO OPENING 231721 86 1 8877723 FS6106A BACK UP LIGHT SWITCH HOLE REPL 647003 89282 4 342 SHAFT SPEEDOMETER 7 5290 88 1 15519247 8 2N 8 2T 85 IN LONG W S W MOD 666 SPEEDO ADAPTER IUUC REPL 683148 4 343 GEAR DRIVE SPEEDOMETER 7 5340 86 1 8885974 FS6106A 86138 4 345 BUSHINgi gPEEDOMETER DRIVE OR DRIVEN GEAR 86 1 2312834 FS6106A 7992 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB N s reference only Added this issue 4 17 4 330 4 345 4 MAY BE AS REQUIRED PART REV 9 87