International | Navistar

Keep your International and Navistar trucks running cool with premium heavy-duty AC condensers from American Radiator. Engineered for superior air conditioning performance, these replacement condensers ensure efficient heat transfer, reliable refrigerant circulation, and long-lasting durability under the toughest on-road and off-road conditions.

Our International / Navistar truck condensers feature high-strength aluminum cores, precision-welded tanks, and corrosion-resistant coatings that optimize airflow and temperature stability. Designed for OEM-fit installation, these condensers deliver dependable compatibility with leading models like the International LT, ProStar, Durastar, and WorkStar series. Each unit maximizes system efficiency to reduce compressor load and extend HVAC component life.

While American Radiator does not manufacture condensers, we source only top-grade aftermarket replacements trusted by professional fleets and diesel mechanics nationwide. Combine your new condenser with AC compressors, driers, evaporators, and coolant hoses for complete system restoration and peak cabin cooling.

When performance, reliability, and uptime matter, choose American Radiator—the nationwide leader in heavy-duty cooling solutions for International and Navistar trucks. Experience faster shipping, expert support, and industry-proven parts built to keep your truck’s AC system performing at maximum efficiency.

FAQ'S

Which International / Navistar models work with your condensers?
Our condensers are engineered to fit a broad lineup of International / Navistar trucks—like ProStar, LoneStar, HV, LT, and IC buses—matching OEM core dimensions, port arrangements, and mounting systems.

What role does the condenser play in the AC system?
The condenser cools the hot refrigerant gas coming from the compressor and converts it into a liquid state by dissipating heat. It’s a critical step in the cooling cycle to keep cabin air cold.

How can I choose the correct condenser for my International / Navistar truck?
Match your existing condenser’s dimensions—including core size, port spacing, number of rows, and mounting configuration—or use the OEM part number. These specifications ensure proper fit, airflow, and system performance.

Can I replace just the condenser or should I replace other AC parts too?
You can replace just the condenser if your compressor, evaporator, and lines are still in good condition. However, many technicians also recommend replacing the receiver/drier or expansion valve at the same time to maintain system reliability.

What are the warning signs of a failing condenser?
Common symptoms include reduced cooling output, warm air blowing in the cab, refrigerant leaks, clogged or bent fins, or high under-hood temperature. Replacing a failing condenser early helps restore AC performance and protect the rest of the system.