Cross-Reference: 5WS40156

This cross-reference page covers OEM injector number 5WS40156, a diesel injector reference used to identify compatible remanufactured replacements and equivalent OEM part numbers. It is most commonly fitted to engines using the RHR, RHD, RHL, RHG codes. Verified vehicle applications include Citroen C4, Citroen C5, Citroen C8, and other diesel models. 5WS40156 has 12 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.