CSF 3739 Radiator

Reliable Radiator Replacement for Ram 2500 and 3500

The CSF radiator part number 3739 is designed specifically for Ram 2500 and 3500 models, providing efficient cooling performance with durable construction. Engineered with an aluminum core and plastic tanks, this radiator supports optimal engine temperature management under demanding conditions.

Key Features of CSF Radiator 3739

• Core thickness of 1 1/4 inches for effective heat dissipation
• Core dimensions: 27 1/2 inches length by 21 11/16 inches width
• Constructed with a lightweight aluminum core and OEM-style plastic tanks
• Cross flow design enhances coolant flow and cooling efficiency
• Inlet diameter: 1 1/2 inches (left side), outlet diameter: 1 3/4 inches (right side)
• Single-row radiator core for consistent cooling performance
• Compatible with Ram 2500 and 3500 heavy-duty trucks

Detailed Description of CSF Radiator 3739

This radiator features a 1 1/4 inch thick aluminum core that provides reliable heat transfer to maintain engine temperature within optimal ranges. The cross flow design allows coolant to move horizontally through the core, improving cooling efficiency and reducing engine overheating risks. The plastic tanks are manufactured to OEM specifications, ensuring a proper fit and durability. With inlet and outlet diameters sized at 1 1/2 inches and 1 3/4 inches respectively, this radiator integrates seamlessly with the existing cooling system of Ram 2500 and 3500 models. The single-row core design balances cooling capacity with compact size, making it suitable for heavy-duty applications.

Common Applications and Issues Addressed

• Replacement for damaged or leaking radiators in Ram 2500 and 3500 trucks
• Resolves engine overheating caused by inefficient cooling
• Addresses coolant leaks from cracked or worn plastic tanks
• Improves cooling system performance in high-load or towing conditions
• Prevents engine damage due to inadequate heat dissipation

Installation Notes and Tips

Ensure the radiator core and tank dimensions match your vehicle’s specifications before installation. This radiator does not include a cap, so use the existing or compatible CSF cap number 4515. Properly flush the cooling system prior to installation to avoid contamination. Verify inlet and outlet hose connections correspond to the 1 1/2 inch left inlet and 1 3/4 inch right outlet diameters for a secure fit. Follow manufacturer torque specifications for mounting hardware to prevent leaks or damage.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and plastic tanks for durability and performance. This radiator is free of hazardous materials and designed for long service life in heavy-duty Ram 2500 and 3500 trucks. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.