IFIVE SPEED TRANSMISSION 6 7 4 003 TRANSMISSION MA N 1 7 001 OC 4 FORMERLY CLARK 450 88 4 15608759 366 W 4 1480 JOINT SERIES HYD PARKING BRAKES SERVICE 15610932 88 15608760 8 2N 8 2T W 1550 JOINT SERIES HYD PARKING BRAKES SERVICE 15610934 FORMERLY CLARK 455 88 4 15608750 350 366 W 1410 HEAVY DUTY JOINT SERIES HYD PARKING BRAKES SERVICE 15610935 88 15608751 350 366 W 1480 JOINT SERIES HYD PARKING BRAKES SERVICE 15610935 88 15608751 366 W 1480 JOINT SERIES HYD PARKING BRAKES SERVICE 15610935 88 15608754 366 W 1550 JOINT SERIES HYD PARKING BRAKES SERVICE 15610935 88 15608755 8 2N W 1550 JOINT SERIES HYD PARKING BRAKES SERVICE 15610938 88 15608755 8 2N 8 2T W 1550 JOINT SERIES HYD PARKING BRAKES SERVICE 15610938 FORMERLY CLARK 551 88 4 15608729 8 2N 8 2T W 1550 JOINT SERIES HYD BRAKE PARKING BRAKE SERVICE 15610943 88 15612454 8 2N 8 2T W 1550 JOINT SERIES AIR BRAKES SERVICE 15610943 I 88 15608736 8 2N 8 2T W 1610 JOINT SERIES HYD BRAKE PARKING BRAKE SERVICE 15610943 88 4 4 15612453 8 2T W 1480 JOINT SERIES AIR BRAKES SERVICE 15610943 88 4 15608729 8 2T W 1550 JOINT SERIES HYD BRAKE PARKING BRAKE SERVICE 15610943 88 4 15612454 8 2T W 1550 JOINT SERIES AIR BRAKES SERVICE 15610943 88 15608736 8 2T W 1610 JOINT SERIES HYD BRAKE PARKING BRAKE SERVICE 15610943 88 4 15612455 8 2T W 1610 JOINT SERIES AIR BRAKES SERVICE 15610943 CL 557 5 SPEED PRODUCTION 87 4 15529082 8 2N 8 2T W 1550 JOINT SERIES AIR BRAKES 1 1 2 INCH PILOT SHAFT SPLINE FSU 15504647 CL 558 5 SPEED PRODUCTION 87 4 15612409 8 2T W 1550 JOINT SERIES HYD BRAKES FSU 15518969 5552A 5 SPEED PRODUCTION NOTE A SPICERDESIGN C HANGE HAS BEEN INCORPORATED EFFECTIVE WITH THE START OF 1986 PRODUCTION SPICER HAS CHANGED MAINSHAFT 2ND 3RD SPEED SYNCHRONIZER ASM MAINSHAFT 2ND SPEED CLUTCH GEAR MAINSHAFT 2ND 3RD SPEED GEARS THE MAINSHAFT 2ND GEAR NEEDLE BEARING EFFECTIVE WITH 1986 MODELS PRODUCTION NUMBERS WILL NOT CHANGE HOWEVER NEW SERVICE TRANSMISSION PART NUMBERS HAVE BEEN ASSIGNED THESE NEW SERVICE TRANSMISSIONS WILL BE DESIGNATED AS 1986 NEW AND CAN REPLACE THE 1985 PRIOR OLD TRANSMISSIONS AS COMPLETE ASSEMBLIES ONLY NOTE THE DESIGN CHANGE DETAILS LISTED ABOVE ARE NOT INTERCHANGEABLE 88 15608813 8 2T W 1550 JOINT SERIES HYD BRAKES PARKING BRAKE SERVICE 15554102 5552D 5 SPEED PRODUCTION NOTE A SPICER DESIGN CHANGE HAS BEEN INCORPORATED EFFECTIVE WITH THE START OF 1986 PRODUCTION SPICER HAS CHANGED MAINSHAFT 2ND 3RD SPEED SYNCHRONIZER ASM MAINSHAFT 2ND SPEED CLUTCH GEAR MAINSHAFT 2ND 3RD SPEED GEARS THE MAINSHAFT 2ND GEAR NEEDLE V BEARING EFFECTIVE WITH 1986 MODELS PRODUCTION NUMBERS WILL NOT CHANGE HOWEVER NEW SERVICE TRANSMISSION PART NUMBERS HAVE BEEN ASSIGNED THESE NEW SERVICE TRANSMISSIONS WILL BE DESIGNATED AS 1986 NEW AND CAN REPLACE THE 1985 PRIOR OLD TRANSMISSIONS AS COMPLETE ASSEMBLIES ONLY NOTE THE DESIGN CHANGE DETAILS LISTED ABOVE ARE NOT INTERCHANGEABLE 88 15608808 8 2T W 1550 JOINT SERIES HYD BRK FSU 15553297 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB 4 N S reference only Added this Issue 4 5 4 003 4 003 MAY BE AS REQUIRED PART REV 9 87