Cross-Reference: 55566050

This cross-reference page covers OEM injector number 55566050, a diesel injector reference used to identify compatible remanufactured replacements and equivalent OEM part numbers. It is most commonly fitted to engines using the Z20DTJ, A20DTH, A20DTC, A20DTL codes. Verified vehicle applications include Vauxhall Zafira, Vauxhall Insignia, Vauxhall Astra GTC, and other diesel models. 55566050 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.