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Auto-jet Part #
TD400
Universal Exhaust System Component
Exhaust System Component for school bus exhaust systems.
Model
Year Range
Material
Outside Diameter
Overall Length
OEM Part Number
6124-0385
United Muffler Equivalent
Also Known As
Grand Rock: K412EXA | Truckex: 14620
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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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