The Peterbilt 379 Unibilt Front Left Corner 48 Inch Flat Top Sleeper Skin is a high-quality product made of aluminum. It features pre-drilled holes and has the same thickness and shape as the original equipment manufacturer (OEM) part. Sanded and scuffed, it is ready for primer and is sold individually. This sleeper skin is a direct replacement for the OEM part number 29-02428 and fits most Peterbilt 379 Unibilt 48 Inch High Roof models from 1994 to 2007. With its practical design and easy installation, this sleeper skin is a reliable choice for your Peterbilt truck.