You are buying one 2001-2010 Corvette Silverado Opel Sintra GMC Sierra Cadillac CTS STS DTS NOS A/C Delco Cigarette Lighter GM # 11516141 see photos no returns. The listed shipping costs includes some of the ebay 20% charge ,pay pal and handling costs . Please do your own research before buying to be sure this part is correct for your unit. After you receive this part and if there is a problem please contact me so we can resolve the problem before you leave me a negative feedback. Thank You.