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Auto-jet Part #
400400
Muffler
Chevrolet/GMC
Muffler for 1980 to 1990 Chevrolet-GMC diesel buses with the 8.2 litre turbo engine. 8-1/4" x 11-1/2" oval, 27" case, 4" inlet, 4" outlet.
Model
Year Range
1980-1990
Material
Outside Diameter
Overall Length
OEM Part Number
United Muffler Equivalent
Also Known As
Donaldson: M090280 | Grand Rock: M153 | Truckex: 3632
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Provide your OEM# when ordering.
Exhaust parts vary by bus configuration even within the same model and year.
Your OEM number is the most reliable way to confirm correct fitment.
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