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Heavy Duty Radiator Rebuilding. Specialists in Canada
We are Canada’s trusted specialists in generator radiator rebuilding, repair, and heavy-duty truck radiator services. From pressure testing and cleaning to full rebuilds and OEM replacement, our Mississauga-based team delivers cooling solutions engineered for tough industrial environments. With decades of experience serving power plants, fleets, and construction operations, King Radiator HD Inc is built on one promise your equipment stays running.
WHAT WE DO
Built for Heat.
Engineered for Reliability.
We design, rebuild, and manufacture industrial-grade radiators and cooling systems for power generators, commercial trucks, and heavy equipment across Canada. Our in-house engineering team builds every radiator to exact specifications tested, proven, and ready to perform under maximum thermal stress and heavy workloads.
GENERATOR RADIATOR REBUILDING
King Radiator HD Inc rebuilds and restores all types of power generator radiators to original or better-than-OEM performance standards. Our certified process enhances heat dissipation, maximizes thermal efficiency, and significantly extends the operational life of critical backup and primary power systems keeping your facility running without interruption.
ALL TYPES OF HEAVY-DUTY RADIATORS
We provide complete repair, rebuild, and servicing for heavy-duty commercial truck radiators including long-haul fleets, vocational trucks, and specialized transport vehicles. From leak detection and pressure testing to full core replacement, our Mississauga shop delivers fast turnaround and reliable results that keep your fleet on the road.
INDUSTRIAL & CONSTRUCTION EQUIPMENT RADIATORS
Our team services industrial, construction, and marine radiators for excavators, cranes, loaders, compressors, and stationary power units. Every repair and rebuild is performed to withstand high thermal stress, heavy continuous loads, and the toughest job-site conditions across Canada.
INDUSTRIAL COOLING SOLUTIONS
King Radiator HD Inc delivers end-to-end industrial cooling system solutions for data centers, hospitals, manufacturing plants, and backup power facilities. From system assessment and custom engineering to precision rebuilds and performance upgrades — we design cooling solutions that perform where failure is not an option.
RE-CORING & PERFORMANCE UPGRADES
Extend the life and boost the output of your existing radiator with our professional re-coring and performance upgrade service. We replace worn or damaged cores, improve airflow design, and upgrade thermal capacity to handle higher heat loads — delivering better performance than the original unit at a fraction of replacement cost.
Industry We Serve
Built for the Industries Where Downtime Costs Everything
Our heavy-duty radiator rebuilding and industrial cooling services support some of Canada’s most demanding sectors power generation, commercial transportation, construction, marine, and manufacturing. King Radiator HD Inc engineers cooling solutions for equipment running under maximum load, extreme heat, and continuous operation. If your industry depends on reliable thermal management, we are the team built for the job.
Core Capabalities
Precision Cooling, Built to Spec
King Radiator HD Inc operates a fully equipped in-house radiator manufacturing and rebuilding facility in Mississauga, Ontario serving generators, commercial trucks, and industrial equipment operators across Canada. Our engineering team builds every cooling unit to exact client specifications, backed by rigorous pressure testing and decades of proven performance in the field.
- Custom Radiator Engineering & Design
- Generator and heavy truck radiator rebuilding
- OEM and aftermarket radiator solutions
- High-capacity industrial cooling systems
- In-house fabrication & precision welding
- Re-core, repair & performance upgrades
- Pressure testing & quality control
Why we
Engineering Reliability You Can Count On
Custom-Engineered Solutions
Built to Withstand Extremes
Durable radiators engineered to perform under extreme heat, pressure, and continuous workloads.
In-House Manufacturing
Fast Turnaround & Support
Featured Products
Built in Mississauga
Trusted Across Canada.
From Peterbilt and Kenworth A/C condensers to full generator cooling systems — every product at King Radiator HD Inc is manufactured, tested, and proven for heavy-duty performance. Our Mississauga facility supplies fleet operators, power facilities, and industrial contractors across Canada with cooling products engineered to handle extreme heat, continuous workloads, and the toughest operating environments because your equipment simply cannot afford to overheat.
Testimonials
Proven Performance,
Trusted by Industry
From power plants to transport fleets, our clients rely on King Radiator HD Inc for cooling solutions that deliver consistent performance, durability, and reliability in demanding environments.
“We have sourced radiators from King Radiator for years. Pricing is fair and the warranty is reliable. Consistent quality and good service overall.”
Titan Truck Repair
Total Power
Genworx Power Systems
“I have been a costumer of King Radiator for over 15 years and would highly recommend this business. I have always been impressed with their professionalism and great customer service. They also have a very high-quality product line, which I would highly recommend to my peers. Keep up the great work John.”
Toromont Industries
Total Power
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