Gates 22531 Radiator Coolant Hose - Upper or Upper - Radiator To Pipe

Overview of Gates Molded Coolant Hose 22531

The Gates Molded Coolant Hose 22531 is designed specifically for cooling system applications in select INFINITI and Nissan vehicles. Engineered from durable EPDM material, this radiator coolant hose ensures reliable performance and a precise fit for models like the Nissan Pathfinder and INFINITI QX4.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for exact fit and secure installation
• Centerline length of 9.1 inches (231 mm) for proper routing
• Consistent inside diameter of 1.34 inches (34 mm) on both ends
• Compatible with Nissan Pathfinder and INFINITI QX4 cooling systems

Detailed Product Description

The Gates Molded Coolant Hose 22531 is a radiator coolant hose crafted from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a molded construction, which provides a precise shape tailored to the cooling system layout of the Nissan Pathfinder and INFINITI QX4. Both ends of the hose have an inside diameter of 1.34 inches (34 mm), ensuring a secure connection to the radiator and engine fittings. With a centerline length of 9.1 inches (231 mm), the hose maintains proper coolant flow and system integrity without the need for additional fittings or springs.

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle cooling system configurations. This eliminates the need for bending or shaping during installation, reducing the risk of leaks or premature wear. The molded design of the 22531 part number ensures compatibility and durability for the Nissan Pathfinder and INFINITI QX4 models, supporting efficient engine cooling and system reliability.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Addressing overheating issues due to restricted coolant flow
• Upgrading to a molded hose for improved fit and durability
• Maintaining proper coolant circulation in Nissan Pathfinder and INFINITI QX4 vehicles

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to prevent burns
• Inspect hose connections and clamps for corrosion or damage
• Use proper clamps to secure the molded hose without over-tightening
• Verify the hose routing matches the original to avoid kinks or interference
• Check for leaks after installation by running the engine and monitoring coolant flow

Quality Assurance and Warranty

Gates Molded Coolant Hose 22531 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details may vary, Gates typically offers coverage against defects in material and workmanship, supporting confidence in this replacement hose for Nissan Pathfinder and INFINITI QX4 cooling systems.