Gates 51458 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Mercedes-Benz CLS500 and E500

The Gates Molded Coolant Hose 51458 is engineered to meet the cooling system demands of Mercedes-Benz CLS500 and E500 models. Designed with durable materials and precise dimensions, this radiator coolant hose ensures efficient coolant flow and system integrity.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• Molded design with a centerline length of 23.75 inches (603 mm)
• End 1 inside diameter: 1.4 inches (36 mm); End 2 inside diameter: 1.6 inches (41 mm)
• Includes two quick connect fittings: female and male connectors for secure attachment
• Modular hose compatible with female and henn quick connectors
• Contains no internal spring, ensuring smooth coolant flow

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded hoses designed to fit specific vehicle applications. These hoses combine EPDM rubber with plastic and steel components to provide reliable sealing and resistance to heat and pressure. The molded construction reduces the risk of leaks and improves fitment accuracy, making it suitable for complex cooling systems like those in Mercedes-Benz CLS500 and E500 vehicles.

Detailed Product Description

The Gates Molded Coolant Hose part number 51458 is a radiator coolant hose tailored for Mercedes-Benz CLS500 and E500 models. Its EPDM rubber material offers excellent resistance to heat, ozone, and coolant chemicals, while the integrated plastic and steel components provide structural support and secure connections. The hose features a centerline length of 23.75 inches (603 mm) and two different inside diameters at each end—1.4 inches (36 mm) and 1.6 inches (41 mm)—to match the specific radiator and engine fittings. The inclusion of two quick connect fittings, both female and male, facilitates straightforward installation and reliable sealing without the need for additional clamps or springs.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz CLS500 and E500
• Prevention of coolant leaks caused by degraded or damaged hoses
• Restoration of proper coolant flow to maintain engine temperature regulation
• Elimination of overheating issues related to compromised hose integrity
• Upgrade to a molded hose design for improved fit and durability

Installation Notes and Tips

Ensure the engine is cool before removing the old coolant hose to avoid burns. Verify that the quick connect fittings on the Gates Molded Coolant Hose 51458 align correctly with the vehicle’s radiator and engine ports. The molded design and quick connectors simplify installation, but it is important to check for secure engagement to prevent leaks. Inspect surrounding components for wear or damage during replacement to maintain overall cooling system performance.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51458 is manufactured to meet OEM specifications for Mercedes-Benz CLS500 and E500 models. The use of EPDM, plastic, and steel materials ensures durability and resistance to typical cooling system stresses. While specific warranty details are not provided, Gates products are generally backed by quality standards consistent with automotive industry requirements.