Rear Air Spring Bags Suspension Kit for Chevy Silverado 1500 2007-2017, for GMC Sierra 1500 2007-2018 (Not 15-18 Denali), Helper Bag Spring Towing 5000 lbs, 2430 W217602430 Item Description Compatible with: for Chevy Silverado 1500 2007-2017; for GMC Sierra 1500 2007-2018?(Not 2015-2018 Denali) Replace for Part Number: for 2430, for W21-760-2430, for W217602430; Fits Rear Axle, No Drilling Required, 5000 lbs Capacity Installation Notes: The air lines should be pushed firmly into the push-to-connect fittings with a slight side-to-side rotational twist. Pull on each line to check for a secure connection. In addition, you can refer to the instructions for specific steps. High Performance: The air spring will absorb road shocks and adjust according to different load situations, reducing the frequency of vibration while driving for the desired ride comfort and providing you with a smooth and safe driving experience. Warranty: We offer a one-year warranty. ? See more product details 2pc of airbags, all brackets, installation manual, bolts and nuts you need for installation, inflation valves, elbow fittings, and tubing. Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.