ContiTech AS8091 Air Spring ⎪Replaces Firestone W01-358-8091 Engine Cooling Operating range -40°F to 200°F

Operating range -40°F to 200°F per Bendix R-12 service literature

Peterbilt 389 (1987-2004)

using the wrong seal will leak

ATRO HM75-64001 hood pivot bushing kit for Peterbilt 357

ContiTech AS8091 Air Spring ⎪Replaces Firestone W01-358-8091 Engine Cooling Operating range -40°F to 200°FThe ContiTech AS8091 is a rolling lobe air spring for heavy duty truck and trailer suspensions, engineered for stable ride height, low natural frequency, and high load capacity. Direct replacement for Firestone W01 358 8091, Goodyear 1R14 171, Hendrickson C 20901 S 20901, and Paccar AS80910 commonly fitted to Hendrickson Intraax air ride trailer suspensions. Specifications Manufacturer Continental ContiTech Part Number AS8091 (also marked 64421 11 10.