1 Set 9007A 9007 Compression Test Adapte. These Test Adapters are used for 1998-1/2 to Current 24V Cummins 5.9 6.7 Liter Diesel. 2006-2008(Ram Truck) – Systems (9 – Engine, 5.9L Diesel) | 2009 (Ram Truck 2500/3500) – Systems (9 – Engine, 5.9L Diesel, 9 – Engine, 6.7L Diesel) | 2010 (Ram Truck Cab Chassis, Ram Truck 4500, Ram Truck 1500) – Systems (9 – Engine, 6.7L Diesel) | 2011 -2012 (Ram Truck 1500) – Systems (9 – Engine, 6.7L Diesel) | 2013-2014 (Ram Truck 3500, Ram Truck Heavy Duty, Ram Truck Cab Chassis, Ram Truck 4500, Ram Truck 2500) – Systems (9 – Engine, 6.7L Diesel).