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Cummins · Exhaust
5292265
In stock · ships from Knoxville
A thermal isolator gasket for the hydrocarbon doser (7th injector) in the XPI fuel system of Cummins ISX15 and QSX15 engines.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
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Other applications
Used on the 7th injector (doser) assembly. Verify engine serial number and model year for exact compatibility.
Part data verified against 5 catalog sources
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It shields the doser injector from excessive heat, helping maintain proper exhaust aftertreatment regeneration and emission control. This part is typically replaced when servicing the doser injector or if heat-related degradation occurs.
Part Number: 5292265
ISOLATOR-T THERMAL
Vendor: MHC Kenworth
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside exhaust