Gates 21655 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 21655

The Gates Molded Coolant Hose 21655 is designed specifically for Mercedes-Benz models 420SEL, 560SEC, and 560SEL. This radiator coolant hose is constructed from durable EPDM material, ensuring reliable performance in your vehicle's cooling system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure installation
• End 1 inside diameter: 1.44 inches (37 mm)
• End 2 inside diameter: 1.62 inches (41 mm)
• Centerline length: 20.3 inches (516 mm)
• Contains no internal spring, ensuring smooth coolant flow
• Compatible with Mercedes-Benz 420SEL, 560SEC, and 560SEL models

Detailed Product Description

The Gates Molded Coolant Hose 21655 is engineered to meet the exact specifications required for select Mercedes-Benz vehicles. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose maintains integrity under demanding engine conditions. The molded construction provides a precise shape that matches the original equipment, reducing the risk of leaks and ensuring a secure connection between the radiator and engine components. With end diameters of 1.44 inches (37 mm) and 1.62 inches (41 mm), and a centerline length of 20.3 inches (516 mm), this hose fits seamlessly into the cooling system of the 420SEL, 560SEC, and 560SEL models.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to exact OEM specifications. This eliminates the need for bending or shaping during installation, which helps maintain consistent coolant flow and reduces installation time. The molded design also minimizes stress points that can lead to premature hose failure, making it a reliable choice for maintaining the cooling system in Mercedes-Benz vehicles.

Common Applications and Problem Solving

• Replacement of cracked or leaking radiator coolant hoses
• Resolving coolant leaks caused by hose deterioration
• Addressing overheating issues due to compromised coolant flow
• Upgrading worn hoses to maintain proper engine temperature regulation
• Preventing coolant contamination from hose material breakdown

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Inspect hose clamps and replace if corroded or damaged
• Verify the correct orientation of the molded hose before installation
• Check for proper fit and secure all connections to prevent leaks
• Flush the cooling system if contamination or debris is present before installing the new hose

Quality Assurance and Warranty

Gates Molded Coolant Hose 21655 is manufactured to meet stringent quality standards, ensuring durability and performance in demanding automotive environments. The EPDM material and molded design contribute to long service life. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects, providing confidence in the product's reliability for Mercedes-Benz 420SEL, 560SEC, and 560SEL owners.