Auto-jet Part #
85-0015
Navistar International Muffler
8-1/2" diameter heavy duty welded aluminized muffler. Inlet 3" ID; outlet 3" ID. Body length 29.5". Overall length 36". Fits NAVISTAR. 8-1/2" ROUND; 3" INLET - OFFSET; 3" OUTLET - OFFSET. APPLICATION: GAS.
Model
Year Range
1972 TO 1978
Material
Aluminized Steel
Outside Diameter
8-1/2"
Overall Length
36"
OEM Part Number
United Muffler Equivalent
Also Known As
Donaldson: 86139M | Grand Rock: 2704 | Nelson: M085023 | Shuttlerworth: D12-3430

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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.