One Stop Solutions 2578 Radiator

Radiator for 2003-2007 Nissan Murano

This One Stop Solutions radiator, part number 2578, is built for the 2003-2007 Nissan Murano with a downflow design and integrated transmission oil cooler. It is engineered around OE form and function for a direct replacement on Murano cooling system repairs.

Key Features

• Fits 2003-2007 Nissan Murano, N/A
• Downflow radiator design with plastic tanks and a PA core material
• Single-row core construction with a 1 in. core thickness
• Transmission oil cooler included with concentric cooler design
• Inlet and outlet diameters measure 1 3/8 in.
• Pressure tested during production for leak verification
• Die-cut gasket design supports a tighter seal at assembly points
• Part number 2578 is built for OE-style fit, form, and function

Detailed Description

One Stop Solutions part number 2578 is a replacement radiator for the Nissan Murano, covering 2003-2007 model years. It uses premium-grade aluminum construction with plastic tanks and is engineered to match original cooling system dimensions, including a core height of 17 11/16 in. and core width of 28 11/16 in. The unit includes a concentric transmission oil cooler and is designed to maintain factory-style routing and mounting characteristics for a straightforward radiator replacement.

This radiator is built with engineering updates aimed at improving durability in higher-mileage vehicles, including enhanced fin density and a thicker core profile where applicable. The radiator is individually pressure tested, and the cooler circuits are tested during production before final assembly. This part cross-references Spectra Premium CU2578 and Koyorad A2578 for the same application.

Common Problems This Radiator Can Address

• Coolant leaks from a cracked or aging radiator tank
• Overheating caused by restricted or damaged radiator flow
• Transmission temperature concerns related to a failing cooler circuit
• Corrosion or internal wear in the original radiator core
• Poor sealing at the radiator assembly points

Installation Notes and Tips

Verify radiator dimensions, hose connections, and cooler line routing before installation. This unit is a downflow design, so confirm the original radiator layout matches the replacement. Inspect hoses, clamps, and related cooling components during service to help prevent repeat failures. Part number 2578 is supplied as a direct-fit radiator for the listed Nissan Murano applications.

Quality Assurance

OSC Premium radiators are built to OE-style specifications and individually pressure tested during production. The design uses premium-grade materials and production checks intended to confirm sealing, cooler integrity, and assembly quality before the part is released.