Peterbilt 379 Air Spring Bag – Replaces 29-03200 / W02-358-7036 (1 PC)

Upgrade the ride quality of your Peterbilt with the ROADWEST Air Spring Bag for Peterbilt 379. Designed as a direct replacement for popular OEM part numbers, this heavy-duty cab / suspension air spring helps restore proper ride height, reduce vibration and improve overall driving comfort on long-haul routes.

This air spring bag is engineered to fit and function like the original, replacing Peterbilt 29-03200, 2902454 and Firestone-style W02-358-7036 / W02-3587036 without extra modifications. It is manufactured from imported high-density rubber that exceeds typical OEM standards, giving you better durability and load performance than ordinary air suspensions.

By absorbing road shocks and vibrations, the ROADWEST air spring bag helps protect drivers and passengers from harsh impacts, while also improving braking stability. Whether you’re pulling heavy loads or running highway miles day after day, this replacement air ride spring is built for reliable, consistent performance.

Ideal for fleet maintenance and owner-operators, it’s a practical solution when the original cab or suspension air bag starts leaking, sagging or fails due to age and wear.

• Direct replacement for Peterbilt 379 air spring applications using OEM numbers 29-03200, 2902454, W02-358-7036 and W02-3587036.
• High-density rubber construction that exceeds OEM requirements for enhanced durability and load capacity.
• Improved comfort & safety by absorbing vibration, reducing collision impact and helping maintain stable braking.
• Heavy-duty performance designed for demanding long-haul, vocational and highway trucking environments.
• 1-year warranty with 100% quality assurance for worry-free replacement and use.
• Responsive customer service – support team available to answer questions and resolve issues within 24 hours.