assurance tested, more responsive, less expensive, easier to install. The transponder keys require programming with an appropriate scan tool. Engineered to proper operation of the ignition key when the cylinder is binding or has failed. Ignition lock cylinder is needed to check within at least every 6 months. Ways to tell you might need a new ignition lock cylinder: Issues powering on the vehicle; Car 't Start; Key Removal Issues. Part Number:15919460/ 19120038/15794826/ 924-796; name: Ignition Lock Cylinder 09-09 for ; 09-11 for Lucerne; 07-14 for Escalade; 07-14 for Escalade ESV; 07-13 for Escalade EXT; 04-09 for SRX; 07-13 for ; 08-13 for (Mexico); 12-13 for 2500 (Mexico) 08-14 for Express 1500. 08-14 for Express 2500. 08-14 for Express 3500 09-14 for Express 4500. 13-14 for Express Cargo (Mexico). 13-14 for Express Pasajeros (Mexico). 09-13 for . 14-16 for Limited. 07-13 for 1500. 07-14 for 2500 HD. 13-14 for 2500 (Mexico) 07-14 for 3500 HD. 13-13 for 3500 (Mexico). 14-14 for (Mexico). 07-14 for 1500. 07-13 for 2500. 07-14 for . 05-06 for Uplander. 08-14 for 1500. 08-14 for 2500. 08-14 for 3500. 09-14 for 4500. 13-13 for (Mexico). 07-13 for 1500. 07-14 for 2500 HD. 07-14 for 3500 HD. 07-14 for . 07-14 for XL 1500. 07-13 for XL 2500. 08-09 for H2. Material: Metal + plastic Color: Silver + black Package Contents: 1 * Ignition Lock Cylinder 3 * keys Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.