ROOSA MASTER Diesel Injector Nozzle Parts Reconditioning and Remanufacturing by DNR. Visit Diesel Nozzle Reconditioning Industries website at



Diesel Nozzle Reconditioning Industries, Inc.

We are the premier supplier of remanufactured and reconditioned diesel fuel injection parts including


We specialize in reconditioning fuel injector nozzles, repair seal areas on drive shafts, re-sleeved advanced piston bore on DB2 pump housings and re-pin Roosa Master weight retainers. This is not an exchange program, customer’s parts reconditioned only.

The DNR remanufacturing program is an economical alternative to purchasing new replacement parts. DNR uses our own exclusive specifications in combination with modern milling, grinding, honing and lapping processes. Final inspection and calibration is done with the latest equipment and specifications. All work is done in the U.S.A. in our fully equipped Anaheim, California industrial facility

These are just some of the injector system brand names we cover...

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