CSF OEM Replacement Radiator

2018–2026 Jeep Wrangler JL / Gladiator JT 2.0L, 3.0L, 3.6L Engines

3953

Overview:

The CSF OEM Replacement Radiator is engineered specifically for the Jeep Wrangler JL and Gladiator JT models produced between 2018 and 2026. Designed to fit 2.0L, 3.0L, and 3.6L engine variants, this radiator serves as a direct replacement for your vehicle’s original cooling system component. Whether you’re restoring your Jeep to factory condition or upgrading a worn-out radiator, this CSF unit ensures reliable cooling performance and long-lasting durability.

Built to meet or exceed OEM specifications, this radiator is ideal for Jeep owners seeking a hassle-free installation and dependable operation under daily driving or off-road conditions. It helps maintain optimal engine temperatures, preventing overheating and supporting consistent vehicle performance.

Key Features:

CSF’s OEM Replacement Radiator combines quality materials and precise engineering to deliver superior cooling efficiency and fitment. Key features include:

• Direct OEM fitment for 2018–2026 Jeep Wrangler JL and Gladiator JT models
• Compatible with 2.0L turbocharged, 3.0L EcoDiesel, and 3.6L Pentastar V6 engines
• High-quality aluminum core for efficient heat dissipation
• Durable plastic tanks designed to withstand thermal cycling and vibration
• Precision-molded mounting points for seamless installation without modifications
• Corrosion-resistant finish to extend radiator lifespan
• OEM-style inlet and outlet ports to maintain proper coolant flow
• Tested to meet strict quality and performance standards

Construction & Design:

This radiator features a robust aluminum core that maximizes heat transfer while minimizing weight. The core’s fin density and tube design are optimized to provide consistent cooling under a variety of driving conditions, including stop-and-go traffic and off-road use. The plastic tanks are engineered for durability, resisting cracking and deformation caused by engine heat and pressure fluctuations.

CSF’s manufacturing process ensures tight tolerances and reliable sealing, preventing coolant leaks and maintaining system integrity. The radiator’s design mirrors the original equipment, guaranteeing compatibility with factory hoses, brackets, and sensors.

Installation & Fitment:

Installation of the CSF OEM Replacement Radiator is straightforward, as it is a direct fit for the specified Jeep Wrangler JL and Gladiator JT models. No modifications or special tools are required, making it suitable for professional mechanics and experienced DIY enthusiasts alike. Simply remove the old radiator and install the CSF unit using existing mounting points and hardware.

Ensure the cooling system is properly flushed and refilled with the recommended coolant to maintain optimal performance and prevent corrosion. Always verify fitment with your specific vehicle configuration before installation.

What's Included:

• One CSF OEM Replacement Radiator (Part #3953)
• Protective shipping packaging
• Installation instructions (where applicable)

Ideal For:

This radiator is perfect for Jeep Wrangler JL and Gladiator JT owners who need a reliable OEM-quality replacement part. It suits those restoring their vehicle to factory specifications, repairing damage from leaks or impacts, or upgrading from a failing radiator. Its durable construction and precise fitment make it an excellent choice for daily drivers and off-road enthusiasts alike.

CSF develops automotive cooling components ranging from radiators and intercoolers to oil and transmission coolers, with a dedicated race division focused on high-performance cooling solutions. Their cooling upgrades are designed to manage heat more effectively—critical for boosted setups, track driving, towing, and any build that pushes temperatures beyond factory limits.