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Paccar · Probes & Sensors
Q21-1033
In stock · ships from Knoxville
This is a fuel filter restriction sensor (also called a fuel pressure sensor) used on certain Kenworth and Peterbilt trucks.
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Verified fitment for 6 applications
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All confirmed applications for this part number.
Peterbilt
Peterbilt
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
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It measures the pressure drop across the fuel filter to warn of a clogged filter before it causes engine performance issues. Replacement is typically needed if the sensor fails or provides inaccurate readings.
Part Number: Q21-1033
FUEL FILTER SENSOR
Unit: ea
Dealer: Post Onsite
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