CTA Tools 3477 3/16-Inch Fuel Line Disconnect Tool, 6.6L GM Separates the 3/16-Inch (4.8-Millimeter) Hydrocarbon Injection Quick Connect For Use on 2010 and Up Diesel Engines - Including GMT900 C/K Silverado/ Sierra and GMT610 G-Van Express/ Savana Features an Offset Design for Improved Access and Easy Use Spring-Loaded for One-Handed Operation CTA Tools Offers One of the Widest Ranges of Professional Specialty Tools in the Market