Upgrade your Peterbilt 359 with these durable and stylish stainless steel air cleaner side panels. Made from 430 stainless steel, these panels are available for both the driver and passenger side and fit most Peterbilt 359 models. Sold individually, these air cleaner side panels are a practical and affordable way to enhance the look of your truck while also protecting your air cleaner from debris and weather damage. Invest in these high-quality side panels for a long-lasting and functional addition to your Peterbilt 359.