Gates 51999 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Ram 2500 and 3500

The Gates Molded Coolant Hose 51999 is designed to provide dependable cooling system performance for Ram 2500 and 3500 models. Constructed from durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility under demanding engine conditions.

• Made from high-quality EPDM rubber for heat and ozone resistance
• End 1 inside diameter: 1.75 inches (44 mm)
• End 2 inside diameter: 1.5 inches (38 mm)
• Centerline length: 45.3 inches (1151 mm)
• Does not contain a spring reinforcement
• Compatible with Ram 2500 and 3500 models

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses designed to meet exact OEM specifications. These molded hoses provide a reliable fit and consistent performance, reducing the risk of leaks and premature failure. The 51999 part is part of this line, offering a molded design that matches the original equipment dimensions for Ram trucks.

Product Details and Specifications

This radiator coolant hose features an EPDM construction, known for its resistance to heat, ozone, and coolant chemicals, making it suitable for heavy-duty applications. The hose has two different inside diameters at each end—1.75 inches (44 mm) on one side and 1.5 inches (38 mm) on the other—allowing for a secure connection to the radiator and engine fittings. With a centerline length of 45.3 inches (1151 mm), it fits the cooling system layout of Ram 2500 and 3500 models without modification. The hose does not include any spring reinforcement, relying on the molded design and material strength for durability.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses on Ram 2500 and 3500
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to maintain engine temperature
• Addressing hose swelling or softening due to heat exposure
• Ensuring a secure fit with OEM-matched molded design

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51999, ensure the engine is cool to avoid burns from hot coolant. Verify the hose orientation matches the original routing to prevent kinks or stress points. Use appropriate clamps tightened to manufacturer specifications to secure the hose ends. Inspect adjacent components for wear or damage during replacement to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51999 to meet stringent quality standards, ensuring reliable performance in demanding conditions. The EPDM material and molded construction provide resistance to heat and chemical exposure typical in automotive cooling systems. Warranty details should be confirmed with the product documentation or supplier, as they may vary by region.