This is a replacement fuel cap for the Leak Defender® fuel neck repair/replacement system. It is ONLY COMPATIBLE w/ the Leak Defender® fuel neck. It is NOT COMPATIBLE with the OEM fuel neck of your truck.
It works with all Leak Defender® models…Kenworth, Peterbilt, Freightliner, International, Volvo, Mack, and Western Star.
NOTE: Sold individually, not as a pair. Will not work on OEM fuel neck.