Peterbilt 379 Cowl Extensions With Super 21 Light Holes

The Peterbilt 379 Cowl Extensions are a practical and durable addition to your truck. Made of stainless steel, these extensions are rivet mounted and fit most Peterbilt 379 series trucks. They come with Super 21 light holes, and lights are available separately. Sold as a pair, these cowl extensions are a great way to enhance the look of your truck while also providing added functionality.