Peterbilt 357/378 Heat & AC Parts Peterbilt is a leading manufacturer of heavy-duty semi-trucks known for their durability and premium features. The Peterbilt 357 and 378 models are popular choices among long-haul truckers and fleet operators due to their comfortable interiors, reliable HVAC systems, and efficient engine performance. This product lineup includes a wide range of high-quality replacement parts to keep the heating, ventilation, and air conditioning (HVAC) systems in Peterbilt 357 and 378 trucks running at peak efficiency. From blower motors and air filters to heater cores and AC compressors, we offer everything needed to maintain a comfortable cab environment for drivers. Our selection of Peterbilt HVAC parts features products from top brands like BESTfit, TPHD, and Red Dot, ensuring excellent fit, function, and durability. Upgrade your Peterbilt's climate control with premium components designed to provide years of reliable service in demanding on-road conditions. Whether you're performing routine maintenance or need to replace a malfunctioning HVAC component, you'll find the right parts at competitive prices in this comprehensive Peterbilt 357/378 Heat & AC Parts product lineup. Stay cool, comfortable, and focused on the road with the best heating and cooling solutions for your Peterbilt semi-truck.