CARB Clean Truck Check is raising the bar for heavy-duty fleets in California.
For trucks over 14,000 lbs, compliance testing can no longer wait until the last minute. A weak DPF substrate may mean failed opacity testing, downtime, fines, or registration delays.
Xichuang DPF helps fleets replace worn units with OE-matched solutions for cleaner exhaust and smoother compliance.
Send your OE number or truck model.
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