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Maintain cooler exhaust temperatures and protect your heavy-duty diesel engine with premium HD EGR Coolers from Thoroughbred Diesel. Designed for maximum durability, efficient heat transfer, and long-lasting reliability, our heavy-duty EGR coolers help reduce exhaust gas temperatures while supporting proper emissions system performance in demanding commercial trucking applications. Whether you're replacing a failed factory cooler or performing preventative maintenance, we carry high-quality OEM and aftermarket HD EGR coolers for Cummins, Caterpillar, Detroit Diesel, International/Navistar, Mack, Mercedes-Benz, PACCAR, and Volvo diesel engines. Built to withstand extreme operating conditions, our heavy-duty EGR coolers are engineered to deliver dependable performance, reduce downtime, and help extend engine life. Backed by expert customer support, competitive pricing, and fast shipping, Thoroughbred Diesel is your trusted source for heavy-duty EGR coolers and commercial diesel engine parts. Call 859-737-4966 if you don't see the pump you need below and we will get it for you.