Hombre S Regular Cab 4WD V6-4.3L (1999)
Brake Master Cylinder: Application and ID
Master Cylinder Identification
Identifying information is stamped into the front surface of the body of the master cylinder.
The Delphi master cylinder has the following information:
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The first two digits identify the build code.
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The third digit indicates the year the master cylinder was built (Example: 7 means 1997).
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The last digits indicate the day the master cylinder was built (Example: 271 means the 271st day of the production year).