Alltrux ATX26937 Suspension Air Spring C81-1013

The Alltrux ATX26937 Suspension Air Spring is a heavy-duty aftermarket replacement for OEM C81-1013, commonly used in Peterbilt and Kenworth (PACCAR) truck suspension systems.

This load-bearing suspension air spring supports axle weight, maintains proper ride height, and absorbs road shock under varying load conditions. Designed for primary suspension applications, the ATX26937 helps improve ride stability, reduce vibration, and maintain proper suspension geometry.

Constructed with reinforced rubber bellows and heavy-duty bead plates, this unit is engineered for demanding commercial truck environments including fleet, vocational, and long-haul operations.

Direct replacement for OEM C81-1013 used in select Peterbilt and Kenworth suspension applications. Always verify chassis compatibility before installation.

Specifications:

Brand: Alltrux
Part Number: ATX26937
OEM Cross Reference: C81-1013
Product Type: Suspension Air Spring
Category: Suspension
Condition: New Aftermarket
Application: Commercial Truck / Trailer Primary Suspension

Cross References:

• PACCAR: C81-1013
• ALLTRUX: ATX26937
• CONTITECH: 888864, AS8864
• AUTOMAN: AB1DK23L8864
• FIRESTONE: W013588864
• OTHERS: FS8864, C811011, C811013NCL