Keep your cab cool in the summer and warm in the winter with our full lineup of replacement Peterbilt 379 Heat & AC Parts. From air conditioning to heating, we carry the commercial truck parts that keep your Peterbilt 379 climate system running right. Whether you're fixing a busted compressor, upgrading your hvac control module, or replacing a blower motor in your sleeper, we ve got what you need. Here's what you ll find in this product lineup: - Peterbilt 379 air conditioning system components - Replacement heater cores, expansion valves, pressure switches, and hoses - Hard-to-find items like the threaded type accumulator - Full HVAC solutions for Peterbilt trucks, including the 357, 378, and 385 No matter what your Peterbilt 379's setup is like we ve got compatible parts that ship fast and fit right. All of our aftermarket Peterbilt AC parts are built to handle long hauls and rough roads across the USA. Need something for a low-pressure switch? Or maybe you're hunting down a Peterbilt 379 heater core that doesn t cost a fortune? We let you narrow down your product choice by size, conveniently speak to a specialist, and place online orders with confidence. Whether you're doing a full HVAC overhaul or just swapping a filter, shop parts that are made to match your Peterbilt air conditioning parts and keep your cab comfortable mile after mile.