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Performance Radiator for Honda Accord (2003-2007) 3.0L V6



Regular price $189.95
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High-Capacity Performance Radiator for 2003-2007 Honda Accord

Direct OEM Replacement: This cross-flow performance radiator replaces the restrictive factory cooling unit to manage optimal coolant temperatures and prevent overheating in the 3.0L J-Series engine.

The Stock Accord Heat Soak Problem

The factory radiator on the 7th-generation Honda Accord, while adequate for basic commuting, often suffers from accelerated degradation. Factory plastic end tanks become brittle after years of thermal cycling under the hood of the J30A engine, leading to hairline cracks, micro-leaks, and slow coolant loss. Furthermore, the OEM core thickness and fin density struggle to dissipate heat efficiently during high-load driving, prolonged idling in traffic, or hot summer climates. This results in persistent heat soak, forcing the electric cooling fans to work overtime and increasing the risk of catastrophic head gasket failure due to thermal expansion.

The Engineering Solution

This Torchbeam performance radiator mitigates these factory thermal limitations through an optimized cross-flow design. Featuring a 1-inch thick core with a high-density louvered fin layout, it maximizes surface area for superior heat dissipation compared to the stock unit. The 28-1/4" wide by 14-3/4" high single-row core is engineered for an improved volumetric coolant flow rate, allowing the water pump to cycle fluid more effectively without inducing cavitation. Precision-molded end tanks with reinforced 1-1/4" inlet and outlet necks ensure a leak-proof seal that withstands the high-pressure demands of the V6 cooling system. Built to precise factory dimensions for a bolt-in drop-in fit, it immediately restores thermal efficiency and protects the engine from heat-induced fatigue.

Technical Specifications

Fitment 2003-2007 Honda Accord
Engine / Chassis J30A4, J30A5 / CM6, CM8
Stock Output 240-244 hp / 211-212 lb-ft (Approx)
Part Number CU2571

Compatibility

  • Honda Accord 2003-2004 V6 3.0L
  • Honda Accord 2005 V6 3.0L (FuelType: GAS)
  • Honda Accord 2006 V6 3.0L (FuelType: GAS)
  • Honda Accord 2007 V6 3.0L (FuelType: GAS)

The Honda Reliability Standard

For the JDM and daily driver platforms, maintaining strict temperature control is critical to preserving consistent horsepower output and long-term engine longevity. This precision-engineered replacement ensures your J-Series V6 runs reliably under heavy thermal loads, maintaining the legendary durability Honda powerplants are known for.


Engine Safety Rating
Difficulty 


Fitment

Make

Honda

Engine Size

  • 3.0L

Year

  • 2003
  • 2004
  • 2005
  • 2006
  • 2007

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

Performance Radiator for Honda Accord (2003-2007) 3.0L V6

$189.95