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Amazon.com: Upgraded Locking Diesel Fuel Gas Cap 2PCS, 3 1/2" Course Thread 5.5 TPI Vented Semi Truck 3In-5.5 TPI Fuel Tank Cap Compatible with Kenworth Peterbilt Freightliner Western Star 572.1036 : Automotive
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Amazon.com: 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) : Automotive
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