Dayco 71200 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71200

The Dayco Curved Radiator Hose 71200 is designed for reliable coolant flow in various Chevrolet and GMC trucks and SUVs. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and efficient heat resistance for your vehicle's cooling system.

• Constructed from high-quality EPDM rubber for durability and heat resistance
• Dual inside diameters: 1 1/2 inch and 1 3/4 inch ends for precise fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color with a curved design to match specific radiator hose routing
• Trunk height of 18 1/2 inches for proper clearance and installation

Detailed Product Description

The Dayco Curved Radiator Hose 71200 is a dual inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a 1 1/2 inch inside diameter on one end and a 1 3/4 inch inside diameter on the other, allowing it to connect different sized fittings within the cooling system. Its curved design facilitates proper routing in engine bays of Chevrolet and GMC models, including Blazer, C10, C1500, K5 Blazer, and many Suburban variants. The hose does not include a heat shield or protective sleeve but meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on providing hoses with specific bends and dual inside diameters to accommodate unique radiator and engine configurations. This product line is engineered to maintain coolant flow efficiency while fitting tightly within the engine compartment, reducing the risk of leaks or hose failure due to improper fitment. The 71200 part is a representative example, designed for select Chevrolet and GMC trucks and SUVs requiring a curved hose with dual diameters.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet and GMC trucks
• Resolving coolant leaks caused by hose degradation or improper fit
• Addressing overheating issues due to restricted coolant flow
• Upgrading to a hose that meets SAE specifications for improved reliability
• Ensuring proper hose routing in vehicles with complex engine bay layouts

Installation Notes and Tips

• Verify hose end diameters (1 1/2 inch and 1 3/4 inch) match your vehicle’s radiator and engine fittings
• Inspect clamps and fittings for wear before installation to ensure a secure seal
• Ensure the hose routing matches the original to avoid kinks or interference with other components
• Use appropriate coolant compatible with EPDM hoses to maximize service life
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71200 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain durability and performance in automotive cooling systems.