One Pair of quarter turn, keyed alike, locking, die-cast aluminum diesel fuel caps. Designed to replace Freightliner 1/4 turn 4 pin fuel caps, cap does not contain threads. Cap is not vented, for diesel applications only. Includes rubber gasket seal, safety chain, and bail. Supplied with 4 matching keys (keys are not available separately). Replaces: Freightliner️#03-37017-002. Approximate dimensions = Inside diameter of cap measures 3 1/2”. Approximate Net weight pair = 2 lb 8 oz. Compatible Trucks: Freightliner Cascadia 113 2008 thru 2018. Freightliner Cascadia 125 2008 thru 2018. Freightliner Columbia 120 2001 thru 2016. Freightliner Columbia 112 2001 thru 2010. Freightliner Century 112 1996 thru 2010. Freightliner Century 120 1996 thru 2010. Freightliner M2-112 2005 thru current. Freightliner Coronado 2003 thru current. Freightliner Coronado New 2013 thru current.