2004.5-2005 GM 6.6L LLY Duramax PCV Breather Repair Kit Engine Upgrade Kits and Parts and the bumper itself includes

and the bumper itself includes a limited lifetime warranty against manufacturing defects

2017-2019 Nissan Titan XD SV King Cab Pickup

a driveshaft alignment kit (#123402) may be required

but the Unlock process can not be reversed

2004.5-2005 GM 6.6L LLY Duramax PCV Breather Repair Kit Engine Upgrade Kits and Parts and the bumper itself includesSpecifically designed for the 2004. 5 to 2005 LLY Duramax. This upgrade kit replaces the factory plastic valve cover breather system with CNC machined billet aluminum valve cover adapter fittings and oil compatible 5 8 Inch tubing. Sold as a complete kit. GM Equivalent P N: 973570331