Kenworth, Peterbilt Air Spring W01-358-8864, 8864, 308716

Description

Upgrade the suspension performance of your Kenworth or Peterbilt truck with the dependable Air Spring W01-358-8864. This heavy-duty air bag is engineered for reliability, stability, and long service life. It is built to replace worn or leaking suspension air springs and restore proper ride height, smoother handling, and better load control. This part is used widely across multiple Kenworth and Peterbilt models equipped with 8864-style suspension.

This air spring delivers excellent vibration reduction, improved alignment consistency, and better road comfort during heavy-duty use. Whether your truck operates in long-haul, regional, distribution, or mixed-terrain environments, this air bag maintains stable performance and protects surrounding suspension components. A failing or leaking air spring can cause uneven ride height, drifting, rough ride quality, and premature wear on shocks, mounts, and bushings. Installing a new air spring like the W01-358-8864 restores stability and improves the overall driving experience.

This replacement air spring is manufactured to meet OEM fit and performance expectations. It includes durable rubber construction, reinforced crimp rings, and sturdy metal mounting plates designed to handle continuous load cycles. It is fully compatible with OEM and aftermarket systems that use Firestone 8864-style air bags. The design ensures direct bolt-on installation with no modifications required on trucks that use this configuration. It provides consistent pressure control and maintains correct suspension height under varying load conditions.

The W01-358-8864 air spring cross-references with many part numbers used across different brands and suppliers. These cross numbers help confirm compatibility and allow easy matching with the correct air bag for Kenworth or Peterbilt suspension systems. This air spring replaces or matches the following part numbers: AB1DK23L-8864, 66666, 9019P898, 352-8864, E-FS8864, 8865, 8864, W01-358-8864, 1R12-1097, G2298864200, FS8864, FS8865, AS88640, 03-08716, C81-1011, C81-1013, TR8864, 8898, AS-8864, AS-8898, AB1DK10A-8997, AB1DK10D-8997, and 308716. If your original part number appears in this list, this air spring is a direct replacement.

This air spring is commonly used in Kenworth and Peterbilt rear suspension systems where the 8864-style air bag is required. It supports ride stability under load, helps maintain frame alignment, and reduces strain on axles and tires. The reinforced construction makes it suitable for long-distance operation, frequent loading and unloading, and continuous air-ride suspension cycles. If your truck shows signs of sagging suspension, rough ride, or slow air-up time, replacing the air spring is recommended.

Installing a fresh air spring helps extend the life of the suspension system and reduces maintenance issues caused by uneven weight distribution. A solid, leak-free air bag is essential for maintaining fuel efficiency and safe vehicle handling, especially at highway speeds. Truck operators often replace air springs in pairs to maintain even performance across both sides of the suspension.

This air spring is a strong choice for fleet maintenance, independent operators, and repair shops looking for reliable suspension components that match OEM standards. It is built for durability, consistent pressure control, and smooth ride performance. With correct installation, this air spring delivers dependable results for thousands of road miles.

If you need help confirming fitment for your specific Kenworth or Peterbilt truck or want assistance verifying part numbers such as W01-358-8864, FS8864, AS88640, TR8864, or 308716, we can assist anytime. Fast shipping and reliable customer support are available for all orders.

Cross-Reference

• Firestone: W01-358-8864

• OEM: 8864

• OEM: 308716

• Other: AB1DK23L-8864, 66666, 9019P898, 352-8864, E-FS8864, 8865, 8864, W01-358-8864, 1R12-1097, G2298864200, FS8864, FS8865, AS88640, 03-08716, C81-1011, C81-1013, TR8864, 8898, AS-8864, AS-8898, AB1DK10A-8997, AB1DK10D-8997, 308716

Fits

• Various Kenworth models

• Various Peterbilt models
  (If you want exact truck models listed, send them and I’ll add them.)

Pickup Locations

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