Dayco 71203 Radiator Coolant Hose - Lower, Lower - Pipe To Radiator or Upper

Overview of Dayco Curved Radiator Hose 71203

The Dayco Curved Radiator Hose 71203 is designed to provide reliable coolant flow for a range of vehicles including Buick, Chevrolet, Mitsubishi, Oldsmobile, and Pontiac models. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

• Constructed from EPDM material for heat and chemical resistance
• Black color with a single inside diameter of 1 1/4 inches on both ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved design suitable for specific radiator coolant routing
• Trunk height of 20 inches for proper fitment

Detailed Product Description

The Dayco Curved Radiator Hose 71203 is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/4 inches, making it compatible with radiator connections requiring this size. This hose does not include a heat shield or protective sleeve, focusing on straightforward coolant transfer. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for radiator coolant hoses.

The Curved Radiator Hose product line from Dayco is designed to accommodate specific coolant routing needs where a straight hose would not fit properly. This curved design helps maintain proper coolant flow and fitment in vehicles with complex engine bay layouts, such as the Chevrolet Camaro, Pontiac Firebird, and Buick Riviera.

Compatible Vehicles and Applications

• Buick models including Century, Riviera, Skylark, and Electra
• Chevrolet Camaro and other compatible models
• Mitsubishi Diamante and Galant
• Oldsmobile Cutlass Calais, Cutlass Ciera, and Cutlass Cruiser
• Pontiac Firebird, Sunbird, Skyhawk, and Toronado

Common Issues Addressed by This Radiator Hose

• Coolant leaks due to cracked or worn hoses
• Overheating caused by restricted coolant flow
• Swelling or softening of old radiator hoses
• Improper fitment with non-curved hoses in tight engine bays
• Failure to meet SAE specifications leading to premature hose degradation

Installation Notes and Tips

• Ensure both hose ends match the 1 1/4 inch radiator and engine fittings
• Inspect clamps and replace if corroded or damaged during installation
• Verify proper routing to avoid kinks or contact with moving parts
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71203 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability in automotive cooling systems.