The Peterbilt 379 Unibilt Rear Left Corner Sleeper Skin is a practical and reliable product designed to replace the OEM part with ease. Made of durable aluminum, it features pre-drilled holes and the same thickness and shape as the original. Sanded and scuffed, it is ready for primer, making installation hassle-free. This sleeper skin is sold individually and fits most Peterbilt 379 Unibilt models from 1994 to 2006, including 36-inch, 48-inch, and 63-inch options. With its high-quality construction and perfect fit, this sleeper skin is a must-have for any Peterbilt owner.