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Trusted Auto Repair and DPF Cleaning Services in Fond du Lac
At Pickart's Radiator, we have been serving the Fond du Lac community for over 80 years as Wisconsin's premier radiator and heat exchanger service center. Our expertise extends to providing the area's most advanced aqueous DPF cleaning services and RECORE solutions for DPF, DOC, and SCR systems. We specialize in radiator repair, rebuilds, and replacements, along with steel and aluminum fuel tank repairs, brazing, and aluminum welding. Our commitment to minimizing equipment downtime is reflected in our 24-hour turnaround guarantee and convenient pickup/delivery options. With NARSA HD certification, our experienced technicians deliver quality repairs using cutting-edge techniques while maintaining fast service times.

We serve on-road and off-road equipment including trucks, construction vehicles, and industrial power units. Our facility handles everything from small radiator fixes to complete heavy-duty aluminum custom builds, ensuring solutions tailored to each client's needs. The 3-year warranty on all Recore products underscores our confidence in the durability of our workmanship. As a family-owned business, we combine decades of technical expertise with personalized service to maintain our reputation as a trusted industry leader.
Services
Radiator Repair DPF Cleaning Fuel Tank Repair Aluminum Welding SCR Recore Service Charge Air Cooler Repair Tube Bundle Maintenance A/C Hose Replacement CNG Catalyst Service Heavy Equipment Cooling
Details
  • Year established: 1943
Highlights and features
  • 80+ years of specialized radiator and DPF repair expertise
  • 24-hour turnaround guarantee on critical repairs
  • Convenient pickup/delivery service across Wisconsin
  • NARSA HD certified technicians with advanced diagnostic capabilities
  • 3-year warranty on all Recore DPF/DOC/SCR products
Associations and certifications
  • NARSA HD Certified
Services
Radiator Repair
Our radiator repair service addresses leaks, cracks, and performance issues in commercial and industrial vehicle cooling systems. Using advanced brazing techniques and premium materials, we restore radiators to optimal functionality while maintaining factory specifications. With both traditional repair and complete aluminum rebuild options available, our technicians ensure reliable temperature regulation for heavy-duty equipment.
DPF Cleaning
We provide comprehensive diesel particulate filter maintenance using aqueous cleaning technology that safely removes soot and contaminants without damaging substrates. Our process includes pressure testing, camera inspection, and performance verification to ensure compliance with emission standards. This non-invasive approach preserves filter integrity while extending service life for fleet operators and individual owners.
Fuel Tank Repair
Specializing in both steel and aluminum fuel tank restoration, we address corrosion, leaks, and structural damage through professional welding and reinforcement techniques. Our aluminum wrap-around strap system offers cost-effective solutions that restore tank functionality to 80% less than replacement costs. All repairs include pressure testing and coating applications to prevent future degradation.
SCR Recore
Our SCR (Selective Catalytic Reduction) recore service replaces damaged internal components while retaining original housing units. This cost-efficient solution maintains factory fitment while incorporating new catalyst materials that meet current emission requirements. Each recored unit receives a 3-year warranty and undergoes rigorous performance testing before customer return.
Aluminum Welding
We offer precision aluminum welding and brazing services for commercial vehicle components, including radiators, charge air coolers, and custom fabricated parts. Our certified technicians utilize specialized equipment to create durable, leak-proof joints that meet industry standards. This service supports both repair work and custom manufacturing of heavy-duty cooling system components.
Questions
What types of vehicles do you service?
We handle cooling system and emission component repairs for all commercial vehicles including class 8 trucks, construction equipment, agricultural machinery, and industrial power units.
How quickly can you complete repairs?
Our standard turnaround time is 24 hours for most radiator and DPF services, with emergency options available for critical equipment downtime situations.
Do you offer pickup and delivery services?
Yes, we provide pickup and delivery within Wisconsin for large components and fleet operations to minimize customer equipment downtime.
What warranty do you provide?
All Recore DPF/DOC/SCR products include a 3-year warranty covering both parts and labor performed at our facility.
Can you repair damaged sensor bungs?
Our technicians specialize in removing damaged sensor bungs and welding in new replacements as part of comprehensive filter can repair services.
Do you handle large industrial heat exchangers?
Yes, we service large-scale tube bundle heat exchangers with capabilities for cleaning, testing, repair, and complete replacement of industrial cooling systems.