One Stop Solutions 2588 Radiator

OE-Style Radiator for Infiniti G35

One Stop Solutions part 2588 is a premium replacement radiator built for OE form and function. It is engineered for the 2003-2007 Infiniti G35 and uses a downflow design with a plastic tank and PA core construction for a direct-fit cooling system service.

This radiator includes a plated transmission oil cooler and is built with premium-grade aluminum components, cadmium-plated tubes, and a die-cut gasket to help maintain a leak-resistant seal. It is a practical choice for Infiniti G35 radiator replacement when the original unit shows signs of age, leakage, or reduced cooling performance.

Key Features

• Fits 2003-2007 Infiniti G35, N/A
• Fits 2003-2004 Infiniti G35, N/A, from 10/03
• Part number 2588
• Downflow radiator design
• Plastic tank construction with PA core material
• Transmission oil cooler included; engine oil cooler not included
• 1-row core design with 1 3/8 in. inlet and outlet diameters
• Core dimensions: 15 3/4 in. height, 28 11/16 in. width, 5/8 in. thickness
• Plated transmission cooler with 14 3/4 in. fitting distance
• Built for OE form, fit, and function

Detailed Description

OSC Premium radiators are built to match original equipment cooling-system layout while adding engineering updates for durability and service life. Part 2588 uses premium-grade materials, fitted components, and factory-spec assembly practices to support consistent cooling performance in the Infiniti G35. The radiator is individually pressure tested during production, and the transmission and engine oil cooler circuits are tested before and after assembly where applicable.

For buyers searching for an Infiniti G35 radiator, radiator 2588 provides a direct replacement solution with the correct downflow configuration and integrated transmission cooler. This design helps maintain proper coolant flow and heat transfer in vehicles that need a dependable OE-style replacement.

This part cross-references Spectra Premium CU2588 and Koyorad A2588 for the same application.

Common Problems This Radiator Can Address

• Coolant leaks from a cracked or aging radiator tank
• Overheating caused by restricted heat transfer
• Transmission fluid temperature concerns related to a failing cooler circuit
• Corrosion or internal wear in the original radiator core
• Reduced cooling efficiency in higher-mileage Infiniti G35 vehicles

Installation Notes and Tips

Verify the vehicle build date before ordering, since 2003-2004 Infiniti G35 applications include a from 10/03 note. Confirm inlet and outlet sizing, cooler layout, and overall radiator dimensions against the original unit before installation. Inspect hoses, clamps, and surrounding cooling-system components during replacement to help prevent repeat leaks or overheating concerns.

Quality Assurance

One Stop Solutions builds this radiator to OE-style standards with premium materials, factory-spec component fitment, and production pressure testing. The radiator core and cooler circuits are tested during manufacturing to help confirm sealing and performance before installation.