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durability
enhancing overall suspension performance
Maintains consistent airflow to support engine efficiency and fuel economy
this regulator helps maintain efficient engine function and extends component life
PETERBILT AIR SPRING Top Seller durabilityDesigned to support sleeper and highway cab configurations, this air spring absorbs road shock and vibration, helping to reduce driver fatigue and protect cab components. Built to OEM specifications and compatible with Uni Bilt sleeper systems (1993 and newer), it features a durable construction and reliable performance for long haul applications. This part replaces Firestone W02 358 7036 and is trusted for its consistent quality and fit. Product