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Thomas Built Coolant Tube - Auto-jet #CT427
Coolant Tube
Thomas Built
Coolant Tube for Thomas Built school buses with Cummins engines. ISC engine.
Model
Year Range
1998 & Up
Material
Outside Diameter
Overall Length
OEM Part Number
164427
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.
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