CURT RV Harness Diode Kit Model 58999 KUV129SLK This means it's completely sealed

This means it's completely sealed against dust and water

CamLocker Chest Tool Box 60 Inch With Bevel Matte Black Aluminum Model RV60BLMB

2500 and 3500 (see application info to confirm fitment)

Full Yes Wheel Base Extended Yes Wheel Base Long Yes Wheel Base Regular Yes Wheel Base Short Yes Wheel Base Standard Yes Chevrolet Express Yes GMC Savana Yes Ford Transit Yes Mercedes Sprinter Yes Nissan NV Yes RAM ProMaster Yes

The top rail of the ‘F’ piece falls in line with the rest of the cross bars

CURT RV Harness Diode Kit Model 58999 KUV129SLK This means it's completely sealedCURT RV Harness Diode Kit Model 58999 This kit allows a motorhome or RV dinghy towing a vehicle to power the signal lights only on the towed vehicle without power feeding back to the RV or feeding to the rest of the towed vehicle's electrical system. It is rated for 3 amps max per diode block and 24V max per diode block. This kit requires a trailer side 4 way flat connector plug with 20' wires (such as the CURT #57220) or similar, depending the length