Need help? We're here!
(888) 312-8812 Login Signup

The Peterbilt Suspension Air Spring Kit is configured to manage vertical cab movement by regulating air pressure within the suspension system of sleeper cab trucks. In operation, the air spring compresses and expands in response to road input, allowing the cab structure to float independently from the chassis rather than transferring shock directly into the cabin area. This controlled air movement helps moderate abrupt motion during starts, stops, and uneven roadway transitions. Designed to match the suspension layout of Peterbilt NGT 2.1M 477WL sleeper cab trucks, the Peterbilt 25523204 integrates directly into the existing suspension points without altering the surrounding structure.
Be the first to review this product!
Peterbilt is a brand that is built to last. Established in 1939, Peterbilt® has been recognized as the Class of the trucking industry, designing and constructing purpose-built vehicles that are skillfully crafted to endure the rigors of daily use and stand the test of time. Peterbilt trucks have always been groundbreaking from the beginning—equipped with advanced technologies that boost performance, safety, fuel efficiency, and uptime. When it comes to the best-in-the-industry parts and service, Peterbilt also leads the pack. It helps every trucker go further by providing a full range of replacement truck parts and accessories, including air filters, floor mats, clutch pedals, light assemblies, manifolds, sensors, and a whole lot more.
Be the first to ask a question about this product!
Optional. Please do not use your full name.
Minimum 10 characters, maximum 500 characters
You can upload up to 3 images to help illustrate your question. Supported formats: JPG, PNG, GIF, WebP
Please complete the reCAPTCHA verification to submit your question.
California residents see