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03HS21381

Caterpillar APU Upper Radiator Hose

Power Tech Mobile Generator Upper Radiator Hose for the Caterpillar APU

Replacement upper radiator formed hose for the Caterpillar APU generator.  The APU generator was designed to hang on the side of a semi-truck to reduce fuel costs and lower emissions.  

 


 
Finding what engine is on your Power Tech generator.

Power Tech serial numbers are usually located on the control box or outside the enclosure.  This depends on the make and model of the generator and when it was made.  On generators pre-1999, it could be stamped on the generator end.

Breaking down the serial number.

Serial numbers usually look something like this: CES09DDD1234APU

For this part, your Power Tech serial number should start with "CES"


The Power Tech Mobile Generator Part Number:  03HS21381