Cross-Reference: HRD321

This cross-reference page covers OEM injector number HRD321, a Siemens diesel injector reference used to identify compatible remanufactured replacements and equivalent OEM part numbers. It is most commonly fitted to engines using the CVRA, CW170, CYFA, DRRA codes. Verified vehicle applications include Ford FOCUS, Ford FOCUS, Ford FOCUS, and other diesel models. HRD321 has 6 known alternate references across Bosch, Delphi, Siemens VDO, and Denso catalogues — listed below for fitment confirmation. Use the sections below to confirm compatibility by engine code or vehicle before ordering. Every injector linked from this page is professionally remanufactured in our UK workshop and ships with full traceability.