Gates 21887 Radiator Coolant Hose - Lower - Pipe To Radiator or Lower - Radiator To Pipe

Overview of Gates Molded Coolant Hose 21887

The Gates Molded Coolant Hose 21887 is designed specifically for BMW 325i, 325is, and 325iX models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance and longevity in your vehicle's cooling system.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design for precise fit and secure installation
• End 1 inside diameter: 1.31 inches (33 mm)
• End 2 inside diameter: 1.56 inches (40 mm)
• Centerline length: 5.9 inches (150 mm)
• Does not contain a spring or quick connect fittings
• Compatible with BMW 325i, 325is, and 325iX models

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates offers pre-formed hoses engineered to match exact OEM specifications. This product line focuses on delivering hoses that maintain proper coolant flow and fitment without the need for modifications. The molded construction of the 21887 hose ensures consistent shape and durability, reducing the risk of leaks and premature failure in the cooling system.

Detailed Product Description

The Gates Molded Coolant Hose 21887 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features two different inside diameters—1.31 inches (33 mm) on one end and 1.56 inches (40 mm) on the other—allowing it to connect seamlessly between components with varying sizes. With a centerline length of 5.9 inches (150 mm), this molded hose is designed to fit precisely within the engine bay of compatible BMW models. The absence of springs and quick connect fittings simplifies the hose design, focusing on durability and straightforward installation.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in BMW 325i, 325is, and 325iX
• Prevention of coolant leaks caused by hose degradation or swelling
• Restoration of proper coolant flow to maintain engine temperature regulation
• Addressing overheating issues related to faulty or damaged hoses
• Ensuring secure connections between radiator and engine components

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 21887, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose diameters match the vehicle’s radiator and engine fittings. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 21887 to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to a reliable service life under normal operating conditions. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support customer confidence.