✅ Vehicle Fitment
Designed for:
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Lexus GS350 (S190 Chassis – RWD Only)
⚠ Not compatible with AWD models. Always confirm drivetrain before ordering.
Why Upgrade from Stock?
Factory radiators are known for:
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Plastic end tank fatigue
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Reduced cooling efficiency with age
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Heat soak during aggressive driving
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Potential coolant leaks over time
An aluminum radiator improves durability and thermal performance.
Cooling is absolutely crucial during high performance driving. Maintained high load, high RPM instances dramatically increases heat produced by the engine requiring a lot more from the vehicle’s cooling system.
Megan Radiators are comprised completely of aluminum. From the tanks to the primary core. Aluminum tanks are a great upgrade over the plastic usually found on factory radiators which are known to crack and leak especially as they age. The larger heat exchanging core is not only more efficient at transferring heat from the coolant, but also increases total coolant carrying capacity.
Designed to as a complete bolt-on application, Our radiators are designed to comply with factory components such as fans and A/C condensers however due to the slight increase in overall size. Upgrading to high capacity, slim radiator fans is suggested.
Megan MR-RT-LG06 GS350 Radiator Key Features
🧊 T-6061 Aluminum Construction
Superior heat transfer and long-term reliability.
🔥 High-Efficiency Core Design
Improved coolant capacity and heat dissipation.
🛠 TIG-Welded End Tanks
Stronger than factory crimped plastic tanks.
⚙ Direct Bolt-On Fit (RWD)
Designed to mount using factory locations.
Color: Silver; Surface Finish: Natural
Construction Design: 36mm Heat Exchanger Thickness
Light Weight Direct Bolt-On
Megan MR-RT-LG06 GS350 Radiator Performance Benefits
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Lower operating temperatures
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Improved consistency during spirited driving
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Better support for tuned 2GR-FSE builds
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Increased cooling reliability in hot climates
If you’ve tuned it or drive it hard, cooling upgrades are cheap insurance.
Installation Notes
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RWD models only.
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Inspect hoses and thermostat during install.
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Properly bleed cooling system after installation.
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Use OEM-spec Lexus coolant.
Heat kills reliability. Cooling prevents regret.
Improves cooling efficiency by 35 – 45% temp; Compatible / Replacement For 2006-2011 GS350 RWD (S190 Third Generation); Does NOT Fit Hybrid model
Aluminum radiators mark a modern advancement in cooling. Not only does the material dissipate heat at close to double the rate compared to brass, but also reduced the overall weight of the vehicle and provides a stronger and more durable core and tube design
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