Locking Diesel Fuel Cap 2pcs Replacement for Peterbilt 379 389 579 4" Lever Style Semi Trucks Gas Tank Accessories Replace 11-04859-100 572.1015 600212 (Silver) Silver 2pcs is up for auction in Automotive. The current bid is $2.50, 95% below the $53.36 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.