The 30 day period starts when you take possession of the item. Airbags we sell are genuine OEM used airbags and guaranteed to be in full working condition. Not deployed, not reconditioned in any form. Airbags and donor vehicle's vin # will be provided on customer's request. Parts fit different models, trims, or years.We guarantee fitments with the vehicle specified in our description. The item "02 Chevy Chevrolet Avalanche 1500 Anti-lock Brake ABS Pump Wheel ABS WithO Trac" is in sale since Saturday, June 22, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Brakes & Brake Parts\ABS System Parts". The seller is "speedsterinc" and is located in Brooklyn, New York. This item can be shipped to United States, all countries in Europe, Canada, Australia, New Zealand.