1998 Cadillac Catera Transponder Key B61PT HU46T2 90541902

Have an automotive locksmith cut the key to work your vehicle and also program the vehicle to accept the new transponder chip in the key. The GM part numbr for the original key is 90541902. The key blade is B61 and Ilco calls this HU46T2. The transponder is a Philips Encrypted 40 chip.