Gates 21894 Radiator Coolant Hose - Lower - Radiator To Pipe or Upper

Overview of Gates Molded Coolant Hose 21894

The Gates Molded Coolant Hose 21894 is designed specifically for BMW 535i, 735i, and 735iL models. This radiator coolant hose ensures reliable coolant flow and system integrity with its molded construction and durable materials.

• Constructed from EPDM and plastic for heat and chemical resistance
• Molded design for precise fit and leak prevention
• Centerline length approximately 19.88 inches (505 mm)
• Multiple inside diameters: 1.5 inches (38 mm) and 1.7 inches (43 mm) at hose ends
• Includes one branch with a 0.75 inch (19 mm) inside diameter
• Does not contain a spring or quick connect fittings
• Modular hose with branch component for complex coolant routing

Detailed Product Description

The Gates Molded Coolant Hose 21894 is engineered to meet the cooling system requirements of select BMW vehicles, including the 535i, 735i, and 735iL. Made from EPDM rubber and plastic, this hose offers resistance to high temperatures and automotive fluids, ensuring durability and long service life. The molded construction provides a precise fit that reduces the risk of leaks and coolant loss. With a centerline length of approximately 19.88 inches (505 mm), the hose features two main ends with inside diameters of 1.5 inches (38 mm) and 1.7 inches (43 mm), plus a branch with a 0.75 inch (19 mm) diameter to accommodate complex coolant flow paths.

The Molded Coolant Hose product line by Gates focuses on delivering hoses that are pre-formed to exact OEM specifications, reducing installation time and improving system reliability. This hose is modular and includes a branch component, which is essential for routing coolant efficiently in BMW cooling systems.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in BMW 535i, 735i, and 735iL
• Prevention of coolant leaks caused by hose degradation or improper fit
• Restoration of proper coolant flow to avoid engine overheating
• Addressing coolant hose failures due to heat and chemical exposure
• Ensuring secure coolant system connections without the need for springs or quick connect fittings

Installation Notes and Tips

• Verify compatibility with BMW 535i, 735i, and 735iL models before installation
• Inspect all hose connections and clamps for wear and replace as necessary
• Ensure the molded hose aligns correctly with coolant system ports to prevent stress or kinks
• Use proper tools to avoid damaging the hose during installation
• Flush the cooling system if contamination or debris is present before installing the new hose

Quality Assurance and Warranty

Gates Molded Coolant Hose 21894 is manufactured to meet or exceed OEM standards for durability and performance. The use of EPDM and plastic materials ensures resistance to heat, pressure, and automotive fluids. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship, supporting reliable operation in BMW cooling systems.