VALVE 0018499 - Caterpillar

Table 1
Description    12V    24V    
37MT     206-8788     206-8781    
41MT     206-8790     206-8784    
42MT     206-8789     193-8570    
50MT     N/A     318-2082    Method of Sealing the Solenoid
The method of sealing the solenoid has been improved in the following starting motors:
37MT
41MT
42MT
50MTThe date code (beginning) for the improved starting motors is "X07K01Y". This includes starting motors that were manufactured on 1October 2007 and later.The date code represents the following:07 - The year 2007K - The month of October01 - The first day of the monthStarting Motor Solenoid
A more rugged solenoid is used in the following starting motors.
37MT
41MT
42MTThe new solenoid improves the reliability of the starting motor. The date code (beginning) for the new solenoid is "M01JL06A". This includes starting motors that were manufactured on 1July 2006 and later.The date code represents the following:M - Manufacturing facility code 01 - The day of the monthJL - July06 - The year 2006A - Production cell and shiftDrive Housing
The 7T-3974 Drive Housing that is used in the following starting motors has been improved:
42MT
50MTThe new drive housing improves the reliability of the starting motor. The date code (beginning) for the improved drive housing is "05E01". This includes starting motors that were manufactured on 1May 2005 and later.The date code represents the following:05 - The year 2005E - The month of May01 - The first day of the month