Auto-jet Part #
DPF521C91
DPF
Navistar International
DPF for Navistar International school buses with the MaxxForce 9 engine. Replaces OEM 2604430C91, 2604430R91, 2605039C91, 2612521C91, 3712647C91, 5010843R1 and 5010853R1. Stainless Steel. United Muffler #DPFNAV035.
Model
Year Range
2010 & Up
Material
Stainless Steel
Outside Diameter
Overall Length
OEM Part Number
2604430C91, 2604430R91, 2605039C91, 2612521C91, 3712647C91, 5010843R1, 5010853R1
United Muffler Equivalent
DPFNAV035
Also Known As
DPFNAV035
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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.