Aftertreatment Repair Services

Expert Diesel Emissions System Diagnostics & Repair

Dale's APU Sales provides comprehensive diagnostics and repair services for all components of your vehicle's aftertreatment system. Our technicians have extensive experience with DPF, DOC, and SCR systems across all major engine manufacturers. 

Our Expertise Covers All Major Systems

• Cummins X15 & ISX15
• Volvo/Mack
• Detroit One Box
• Paccar
• International/Navistar

Advanced Diagnostic Capabilities 

Our shop is equipped with multiple cutting-edge diagnostic tools specifically designed for emissions systems. This technology, combined with our technicians' expertise, allows us to accurately identify issues that other shops might miss. 

Comprehensive Repair Services

DPF System Repairs

• DPF replacement
• DPF sensor replacement
• DPF doser valve repair/replacement
• Regeneration system troubleshooting 

DOC System Repairs

• DOC replacement
• Temperature sensor diagnostics and replacement
• Exhaust pressure monitoring system repair 

SCR System Repairs

• SCR catalyst replacement
• DEF injector cleaning and replacement
• DEF quality sensor diagnostics
• NOx sensor replacement and calibration 

The Dale's APU Sales Advantage

Unlike dealerships that might replace entire systems at significant cost, our specialized knowledge allows us to target specific components that need repair. This approach saves you money while ensuring your emissions system functions correctly.

Preventative Maintenance Programs 

We offer customized maintenance programs to help prevent costly emissions system failures. Regular inspections and maintenance can identify potential issues before they lead to expensive repairs or downtime. 

Schedule Your Emissions System Diagnosis

Don't let emissions system problems keep your truck off the road. Contact us today for expert diagnostics and repair or request quote.