Gates 51578 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 51578

The Gates Molded Coolant Hose 51578 is designed specifically for the Mazda CX-3, providing reliable coolant flow within the vehicle's radiator system. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance and resistance to heat and chemicals.

• Made from high-quality EPDM material for durability and heat resistance
• Centerline length of 30.61 inches (777 mm) for precise fitment
• Inside diameter of 1.25 inches (32 mm) on both ends for consistent coolant flow
• Does not contain a spring, ensuring a smooth coolant path
• Compatible with Mazda CX-3 models requiring this specific hose

Detailed Product Description

The Gates Molded Coolant Hose 51578 is engineered to meet the exact specifications required for the Mazda CX-3 radiator system. Its EPDM construction offers excellent resistance to ozone, heat, and coolant chemicals, which helps maintain hose integrity over time. Both ends of the hose have an inside diameter of 1.25 inches (32 mm), ensuring a secure connection to the radiator and engine fittings. With a centerline length of 30.61 inches (777 mm), this molded hose fits precisely without the need for modifications or adjustments.

This hose does not contain an internal spring, which allows for unobstructed coolant flow and reduces the risk of blockages or pressure drops. The Molded Coolant Hose product line by Gates is known for its precision molding process, which provides consistent shape and dimensions to match OEM requirements. This ensures reliable sealing and fitment, reducing the chance of leaks or premature failure.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on Mazda CX-3 vehicles
• Prevention of coolant leaks caused by hose degradation or swelling
• Restoration of proper coolant flow to avoid engine overheating
• Elimination of hose collapse or kinking that can restrict coolant circulation
• Addressing coolant hose failures due to chemical or heat exposure over time

Installation Notes and Tips

• Ensure the engine is cool before removing the old coolant hose to avoid burns
• Inspect radiator and engine fittings for corrosion or damage before installing the new hose
• Use appropriate clamps to secure the hose ends firmly without over-tightening
• Verify the hose routing matches the original path to prevent interference with other components
• After installation, refill and bleed the cooling system to remove air pockets

Quality Assurance and Warranty

Gates Molded Coolant Hose 51578 is manufactured to meet strict quality standards, ensuring durability and reliable performance in the Mazda CX-3 cooling system. The EPDM material and precise molding process contribute to long service life under normal operating conditions. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement parts.