Passenger Side Truck Extended Cab Corner (RRP4208) by Replace®. H: 19″ x W: 16″ x D: 9″. Steel. Replace Truck Cab Corner effectively deflect damaging kicked-up road debris, built for long lasting durability. They are designed to comply with OE standards and provide the factory look and function you’re looking for. Reliable function that will meet your exacting demands and long service life is what you can expect.