Heavy-Duty Air Spring Base | Fits 9978, Firestone, Goodyear & Hendrickson Fog Lights All-in-One Convenience: Combines air and

All-in-One Convenience: Combines air and power lines into a single

Adjustable air pressure allows you to customize the suspension for varying load requirements

Freightliner // Mack // Western Star semi trucks

Dust Tube: Yes

Contitech 910-17 5P429

Heavy-Duty Air Spring Base | Fits 9978, Firestone, Goodyear & Hendrickson Fog Lights All-in-One Convenience: Combines air andReliable Air Suspension Support for Heavy Duty Trucks & Trailers A durable, industrial grade air spring base engineered for heavy duty trucks, trailers, and commercial vehicles running air suspension systems. Designed for TR9978 compatibility with a standardized mounting design that installs quickly no special adapters required. Specs & Compatibility Designed For: TR9978 Material: High strength industrial grade plastic Installation: Bolt on, no