For drivers demanding high-strength performance and OEM-level precision, the PMR 2423 radiator by PMR (Paydar Mobaddal Radiator) delivers reliable cooling power for Cadillac, Chevrolet, GMC, and Hummer vehicles built between 1999 and 2014. Designed to handle the extreme thermal loads of heavy-duty trucks and SUVs, it fits popular models such as Silverado 2500HD, Sierra 3500, Escalade, Suburban, and Hummer H2. Supporting a wide range of engines—from 4.3L V6 to 8.1L V8—this replacement radiator for GM heavy-duty vehicles ensures stable thermal control under towing, hauling, and high-demand driving conditions.
Built with a crossflow aluminum core and high-strength plastic end tanks, the PMR 2423 radiator is engineered for maximum heat dissipation and operational durability. Its single-row core design combines lightweight efficiency with superior cooling capacity, ideal for both off-road and commercial use. With a core height of 34 inches (864 mm) and width of 17.25 inches (438 mm), it offers generous surface area for optimal airflow and temperature regulation. Whether for long highway runs or industrial fleets, this aluminum radiator for GM vehicles delivers dependable cooling when it matters most.
The PMR 2423 radiator includes a built-in transmission oil cooler and features 1.3125-inch inlet and 1.5625-inch outlet connections for high-volume coolant flow. Distributed across PMR’s Canadian logistics network, this unit ensures consistent supply and OEM-quality standards across North America. Tested for leaks, corrosion, and pressure stability, it’s designed to exceed OEM expectations for performance and longevity.
Distributed by PMR (Paydar Mobaddal Radiator), a proudly Canadian-owned brand, the PMR 2423 Radiator for GM & Hummer Heavy-Duty Vehicles stands as a premium cooling solution built for strength, endurance, and precision. Backed by a Limited Lifetime Warranty, it offers complete peace of mind for GM and Hummer owners who expect professional-grade reliability. From replacement radiator for Hummer duty vehicles to best radiator for GM trucks, the PMR 2423 delivers cooling confidence that lasts for years.
| Brand PMR ( Paydar Mobaddal Radiator ) | Item Condition New |
| Item Located Canada (Distribution Centers) | Item Number PMR 2423 |
| Core Material Aluminum | Tank Material Plastic |
| Warranty Limited Lifetime Warranty | Radiator Cap Included No |
| Engine Oil Cooler Included No | Transmission Oil Cooler Included YES |
| Radiator Style Crossflow | Number of Rows 1 Row |
| Core Height 34 In (864 Mm) | Core Width 17.25 In (438 Mm) |
| Core Thickness 1 In (26 Mm) | Inlet Size 1.3125 In (33 Mm) |
| Outlet Size 1.5625 In (40 Mm) | Radiator Color Silver |
| Years | 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
|---|---|
| Make | Cadillac, Chevrolet, GMC, Hummer |
| Model | Avalanche 1500, Escalade, H2, Kodiak C4500, Kodiak C5500, Kodiak C6500, Kodiak C7500, Kodiak C8500, Kodiak T6500, Kodiak T7500, Kodiak T8500, Sierra 1500, Sierra 2500HD, Sierra 3500, Sierra 3500HD, Silverado 1500, Silverado 2500HD, Silverado 3500, Silverado 3500HD, Suburban 1500, Suburban 2500, Tahoe, Topkick C4500, Topkick C5500, Topkick C6500, Topkick C7500, Topkick C8500, Topkick T6500, Topkick T7500, Topkick T8500, Yukon XL 1500, Yukon XL 2500 |
| Submodel | Base, LS, LT, LTZ, SLE, SLT, WT |
| Engine | 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8, 8.1L V8 |
The radiator is one of the most critical components in your vehicle’s cooling system. A failing radiator can lead to engine overheating and serious damage. Our radiators are designed for long-lasting efficiency and optimal heat dissipation, ensuring your engine stays at the right temperature.
All our radiators come with a FREE radiator cap, providing added value and convenience for our customers.
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