Radiator for Nissan Altima (2007-2018) 2.5L 3.5L

Direct-Fit Replacement Radiator for 2007-2018 Nissan Altima (L32/L33)

What it Does: The replacement radiator restores OE cooling system efficiency and thermal dissipation on the 2007-2018 Nissan Altima to prevent engine overheating and protect against catastrophic head gasket failure.

The Stock Nissan Altima Heat Transfer Breakdown

Factory cooling systems on the fourth and fifth-generation Altima platforms routinely suffer thermal cycling degradation. Over extended heat cycles, the factory glass-filled nylon end tanks become brittle, developing stress fractures along the tank seams and crimped header plates. Internal thermal resistance escalates as micro-passages clog with spent silicate deposits, while road-facing louvers succumb to rock-peening and salt corrosion. In severe cases, high internal cooling circuit pressures cause total seam separation at the crimped joints, inducing sudden coolant loss that immediately threatens the aluminum cylinder head and deck surfaces of the QR25DE and VQ35DE engines.

The Engineering Solution

This drop-in replacement radiator restores nominal cooling flow with a brazed aluminum core engineered for low pressure-drop fluid dynamics. Featuring high-density louvered aluminum fins bonded to heavy-gauge flat cooling tubes, it optimizes heat rejection even under stop-and-go load. Reinforced virgin polyamide polymer tanks are secured via continuous, automated mechanically crimped seals with heat-resistant EPDM gaskets to eliminate typical seam weeping. An integrated internal transmission oil cooler matches factory heat exchanger rates, and factory-located mounting tabs eliminate the need for bracket fabrication or hose rerouting.

What's Included

• 1 Radiator with integrated internal oil cooler

Technical Specifications

Compatibility

• 2007-2018 Nissan Altima 2.5L 4-cylinder (Sedan)
• 2008-2013 Nissan Altima 2.5L 4-cylinder (Coupe)
• 2007-2018 Nissan Altima 3.5L V6 (Sedan)
• 2008-2013 Nissan Altima 3.5L V6 (Coupe)
• Does NOT fit 2007-2011 Altima Hybrid models

Frequently Asked Questions & Fitment Warnings

Does this fit the L32 and L33 Altima?

Yes, this is a direct fit for the 2007-2018 Nissan Altima equipped with the QR25DE or VQ35DE engine. Note: This unit does not fit 2007-2011 Altima Hybrid models due to inverter cooling loop discrepancies.

Do I need to bleed the cooling system after replacement?

Yes, thorough cooling system vacuum fill or manual burping is required to purge trapped air pockets and protect against localized hot spots on the aluminum cylinder head.

The Nissan Reliability Standard

Preserve your sedan or coupe's powertrain integrity with a cooling module built to withstand daily commuter stress and peak highway thermal loads without pressure degradation.