Auto-jet Part #
NAV-0035
Navistar International Muffler
Muffler - End Inlet - Side Outlet. 28-1/2" CASE; 10-3/4" FROM END OF CASE TO CENTER OF OUTLET; 4" O.D outlet; 2-3/4" INLETS; 8-1/4 X 11-1/2" OVAL. Fits END INLET - SIDE OUTLET. Inlet 2-3/4ʺ INLET; Outlet 4ʺ O.D. outlet; Case 28-1/2ʺ CASE; Shell 8-1/4ʺ X 11-1/2ʺ OVAL; 28-1/2ʺ CASE, 10-3/4ʺ FROM END OF CASE TO CENTER OF OUTLET, 4ʺ O.D. outlet, 2-3/4ʺ INLET, 8-1/4ʺ X 11-1/2ʺ OVAL.
Model
Year Range
Material
Outside Diameter
Overall Length
OEM Part Number
578 070 C1, 578070C1, 578 080 C1
United Muffler Equivalent
Also Known As
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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.