GM 4 Button Prox 4B4 (HYQ1AA) -by Ilco 1981-Mercury-Monarch this OEM Uncut Transponder Key

this OEM Uncut Transponder Key is a valuable addition to any locksmith's or key cutter's collection

keyed-randomly

This cylinder comes keyed 5-pin (SC8) but can have a 6th pin (SC9) added

Keep your Sargent locks functioning properly and avoid the hassle and expense of replacing them with the Sargent Pinning Kit

GM 4 Button Prox 4B4 (HYQ1AA) -by Ilco 1981-Mercury-Monarch this OEM Uncut Transponder KeyExperience precision and reliability with the GM 4 Button Prox 4B4 key blank by Ilco. Made from high quality materials, this key blank is perfect for locksmiths and professionals seeking precision in key cutting and duplication. Simply add it to your key blank supplies and see the results in your locksmith services.