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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
Exhaust or charge-air-cooler misalignment / pipe-to-pipe rubbing
see PAI 180204
used on Cummins industrial engines and Case IH / New Holland / Hitachi / Liebherr off-highway equipment
Aftermarket exhaust upgrades from 4" or 5" stack systems
and WIX WF10716
Contitech AS7990 Air Spring | Replaces Firestone W01-358-7990 Fuel Shutoff Valve Exhaust or charge-air-cooler misalignment /The ContiTech AS7990 heavy duty triple convoluted air spring is engineered for truck suspension systems demanding high load capacity and consistent ride height. Built to meet or exceed Firestone W01 358 7990 and Goodyear 3B12 329 specifications, this OE quality replacement ensures smooth dampening, superior durability, and precise fit for commercial vehicles. Specifications Manufacturer Continental ContiTech ContiTech Part Number AS7990 (Vendor P N