So if you're noticing uneven ride height, rough handling, or cab sway don’t wait. Shop for some of our aftermarket Peterbilt 379 air springs and leveling valves now and get your suspension back in top …

Browse Leveling Valves in the Peterbilt Suspension, Steering & Axle Parts & Components catalog from Peterbilt Parts. The most trusted online retailer for trucking equipment and accessories.

Upgrade your Peterbilt 379 with top-quality leveling valves, air springs, and height control valves. Order today

Replaces the original rear cab mount.Comes with two air bags,two air shocks, leveling valve, hardware mounting kit,installation instructions and flexible half of the exhaust mount, not the clamp half.

Peterbilt 379 Air Valve, P/N S-25395 for sale. Enjoy our hassle-free online checkout or call to speak to an expert.

Fits most Peterbilt 357, 367, 375, 376, 377, 378, 385, 386, & 388 (w/o low hood) Series conventionals. Does not fit trucks with Able Body sleepers. Fits most Peterbilt 330, 335, 337, 340, 348 …

Elevate Your Air Suspension: Maximize the potential of your air suspension system with our Leveling Valve. It maintains consistent air pressure, adjusting to varying loads and road conditions, resulting …

Oct 29, 2025 · Whether you're looking to upgrade your ride or enhance your vehicle’s performance, we have everything you need under one roof. Our top categories offer a diverse range of parts, …

Barksdale type height control leveling valve. Commonly used on Peterbilt 365, 367, 378, and 379.

May 23, 2017 · If your rear air bags use compression fittings you just need to replace the right rear bag 90° fitting with a "T". If your bags use push-lock fittings you'll need to pick up a Parker Run-"T" fitting …