Econoride Rolling Lobe Air Spring - Kenworth Peterbilt - Firestone 5479 W01-687-5479 Paccar C81-1017 566.ER5479

Get your Kenworth or Peterbilt back on its ride height with this Econoride Rolling Lobe Air Spring distributed by FleetPro Parts & Tires. The bellows is what carries the load and maintains ride height in the air suspension, and when it cracks, chafes or starts leaking you get a sagging chassis, air leaks that run the compressor ragged, a punishing ride, and shock absorbers that fail right behind it. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for fleets, diesel repair shops, and owner-operators nationwide.

Straight Swap on Kenworth and Peterbilt: The Econoride Air Spring Advantage

This is the Econoride replacement for the Firestone 5479 rolling lobe bag used on Kenworth and Peterbilt air suspensions, and it also carries the Paccar number C81-1017. Rolling lobe construction lets the bellows roll along the piston instead of stretching, which is what keeps the spring rate soft and consistent whether you are loaded heavy or running empty.

The rubber compound is built to take road salt, spilled lubricants, freezing temperatures and highway debris without weeping down overnight. At 16.5 lbs this is a substantial bag, so support the axle before you unbolt the old one. One fitment note before you order: this spring is similar to 8864, but it needs an ABB1K2 kit in addition — check what is on the truck first so every part is on the bench when the wrenches come out.

At FleetPro Parts & Tires, we know a suspension job is only right when the part is right. This spring is a direct replacement for highly searched industry numbers including Firestone 5479, W01-687-5479 and W016875479, plus Paccar C81-1017 and C811017. Always inspect the mounts and shock absorbers when you replace an air spring — a dead shock will destroy a brand new bag.

Vehicle Fitment & Compatibility

This heavy-duty aftermarket air spring is intended for the following commercial applications:

• Make/Model: Kenworth, Peterbilt
• System: Air suspension — carries the load and maintains ride height
• Component Group: Air Suspension / Air Springs
• Note: Similar to 8864, but requires an ABB1K2 kit in addition

Direct Replacement & Cross-Reference Numbers:

This Econoride air spring serves as a direct replacement for the following part numbers:

• Firestone Interchange: 5479, W01-687-5479, W016875479
• Paccar Interchange: C81-1017, C811017
• Automann Distributor #: 566.ER5479

Technical Specifications

• Component Type: Rolling Lobe Air Spring
• Application: Kenworth, Peterbilt
• Note: Similar to 8864, requires an ABB1K2 kit in addition
• Weight: 16.5 lbs
• Package Dims: 10.75 x 10.75 x 15 in
• Product Level: Fleet Value Aftermarket
• Brand: Econoride (Distributed by FleetPro Parts & Tires)