Dayco 71420 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71420

The Dayco Curved Radiator Hose 71420 is designed to provide reliable coolant flow for select Chevrolet, GMC, and Oldsmobile vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 1/4 inch ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Trunk height of 20 3/4 inches for precise fitment
• Compatible with Chevrolet Bravada, GMC Jimmy, S10, S10 Blazer, S15, S15 Jimmy, and Sonoma models

Detailed Product Description

The Dayco Curved Radiator Hose 71420 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/4 inches, ensuring a secure connection to the radiator and engine fittings. This hose does not include a heat shield or protective sleeve, focusing on straightforward, reliable coolant transfer. The trunk height measures 20 3/4 inches, matching the original equipment specifications for proper routing and fitment.

The Curved Radiator Hose product line from Dayco is designed to meet or exceed OEM standards for radiator coolant hoses. This line emphasizes durability and precise fitment for specific vehicle applications, reducing the risk of leaks and premature failure. The 71420 part number is part of this line, tailored for compatibility with various Chevrolet, GMC, and Oldsmobile models.

Compatible Vehicles and Applications

• Chevrolet Bravada radiator coolant system maintenance
• GMC Jimmy and S10 Blazer cooling system repairs
• Oldsmobile S15 and S15 Jimmy radiator hose replacement
• GMC Sonoma coolant hose replacement

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose
• Check hose clamps and replace if worn to prevent leaks
• Verify the hose routing matches OEM specifications to avoid kinks
• Inspect surrounding components for wear or damage during installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71420 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for coolant hoses. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain reliability and durability in automotive cooling systems.