Dayco 71977 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71977

The Dayco Curved Radiator Hose 71977 is designed specifically for Chrysler and Dodge vehicles, including models like the 300M, Concorde, Intrepid, and LHS. This radiator coolant hose ensures reliable coolant flow with its durable EPDM material and precise fitment.

• Constructed from durable EPDM material for heat and chemical resistance
• Black color with a curved design for optimal routing
• Both ends have a 1 1/4 inch inside diameter for consistent coolant flow
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type with 14-inch trunk height

Detailed Product Description

The Dayco Curved Radiator Hose line is engineered to provide dependable cooling system performance. The 71977 part is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for extended use in automotive cooling systems. This hose features a curved design that facilitates proper coolant routing in Chrysler and Dodge vehicles such as the 300M, Concorde, Intrepid, and LHS. Both ends of the hose have a 1 1/4 inch inside diameter, ensuring a secure and leak-free connection to the radiator and engine components. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant applications under typical operating conditions.

Applications and Problem Solving

• Replacement for worn or cracked radiator coolant hoses in Chrysler 300M and Dodge Intrepid
• Prevents coolant leaks caused by hose degradation or swelling
• Restores proper coolant flow to avoid engine overheating in Dodge Concorde and Chrysler LHS
• Addresses hose collapse or blockage issues affecting cooling system efficiency
• Suitable for maintenance or repair of cooling systems requiring a curved radiator hose with 1 1/4 inch diameter

Installation Notes and Tips

• Ensure the engine is cool before removing the old radiator hose to avoid burns
• Check hose clamps and replace if corroded or damaged for a secure fit
• Verify the hose routing matches the original to prevent kinks or interference
• Inspect connecting fittings for corrosion or damage before installation
• Use appropriate tools to avoid damaging the hose or radiator connections during installation

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71977 to meet industry standards, including SAE J20R4 Class D-1 and SAE J1684 Type EC, ensuring reliable performance in automotive cooling systems. The EPDM material provides resistance to heat and coolant chemicals, contributing to the hose's durability. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain consistency and reliability.