The Air Conditioner Cover Each Peterbilt 359 Heater Core Stainless Steel is a practical and durable product made of high-quality 304 stainless steel. Designed to fit most Peterbilt 359 models, this cover offers excellent protection for your air conditioner and heater core. Its sturdy construction ensures long-lasting performance, making it a reliable choice for any Peterbilt 359 owner. With its high-quality materials and perfect fit, this cover provides the necessary protection for your air conditioner, ensuring its optimal functionality and longevity.