Firestone 9491 Airide Reversible Sleeve Air Spring Assembly

The Firestone 9491 (W01-358-9491) is a genuine Airide reversible sleeve air spring designed to replace worn OEM air springs and restore performance to heavy-duty truck and trailer air suspension systems. This assembly features bellows number 1T15V-8 and is engineered with Firestone's proven pneumatic suspension technology.

Key Features:

• Rolling lobe design with 9-inch top plate diameter and 9.5-inch bottom plate diameter
• 7.1-inch collapsed height for compact installation
• 2-hole top plate and 4-stud bottom plate configuration
• Composite fiberglass reinforced piston that is lighter, more impact-resistant, and impervious to atmospheric corrosion, water, salt, and ice-melting chemicals
• Fully functional at temperatures as low as -40°F

OEM Cross-References:

• Replaces Holland-Neway 90557206 and 90557213
• Compatible with Goodyear 1R12-553, 1R12-373, Continental ContiTech 64374, 69652, and 910B-17.5P554
• Interchanges with Dayton 452-9491 and International 3514180C1

Airide springs are manufactured exclusively by Firestone Industrial Products Company, the pioneers of air suspension technology, offering a complete line of replacement springs for virtually every vehicular air suspension system. This air spring helps reduce breakage and maintenance of other vehicle components including electrical systems, air conditioning, cab mounts, exhaust, chassis, seals, wiring and drive train.