Dayco 71357 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71357

The Dayco Curved Radiator Hose 71357 is designed specifically for select Audi and Volkswagen models, including the 4000, 4000 Quattro, Coupe, Quantum, and Quattro. Engineered with durable EPDM material, this black radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color for standard OEM appearance
• Both ends have an inside diameter of 1 5/16 inches
• Single inside diameter hose type for consistent flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height measures 23 3/4 inches for precise fitment
• Compatible with Audi and Volkswagen 4000 series and related models

Detailed Product Description

The Dayco Curved Radiator Hose line focuses on providing reliable coolant hose solutions that match or exceed OEM standards. The 71357 part number is a curved radiator coolant hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a uniform inside diameter of 1 5/16 inches on both ends, ensuring consistent coolant flow and pressure management within the cooling system. The hose’s trunk height of 23 3/4 inches is designed to fit the specific routing requirements of compatible Audi and Volkswagen vehicles.

Compatible Vehicles and Applications

• Designed for Audi 4000 and 4000 Quattro models
• Fits Volkswagen Coupe, Quantum, and Quattro models
• Used as a radiator coolant hose in the vehicle’s cooling system
• Replaces worn or damaged radiator hoses to maintain engine temperature regulation

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to prevent burns
• Check hose clamps and replace if corroded or damaged
• Verify the hose routing matches OEM specifications to avoid kinks or interference
• Inspect the cooling system for leaks after installation

Quality Assurance and Standards

The Dayco Curved Radiator Hose 71357 complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. Manufactured with EPDM material, this hose offers durability against heat and chemical exposure common in automotive cooling systems. While no specific warranty information is provided, Dayco products typically adhere to strict quality control processes to support reliable vehicle operation.