Cross-Reference: 166

This cross-reference page covers OEM injector number 166, a Bosch diesel injector reference used to identify compatible remanufactured replacements and equivalent OEM part numbers. It is most commonly fitted to engines using the CRBC, CRKB, CRLB, CRUA codes. Verified vehicle applications include AUDI A3, AUDI A3, AUDI A3, and other diesel models. 166 has 3 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.