Match the number on your original part first: this part replaces OEM 3W7H19860AB / 3W7Z19860AA and cross-references AC Delco 1563638, TYC 97012, UAC EV 0187PFXC. If any number matches, the part fits. Not sure? Tap the WhatsApp or Inquiry button on this page and send us your vehicle model, production year, engine displacement, or the OE number — our technical team will confirm compatibility before you order. Photos of your old part work too.