Dayco 71861 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 71861

The Dayco Curved Radiator Hose 71861 is designed for reliable cooling system performance in Chrysler, Dodge, and Plymouth vehicles. Specifically compatible with Caravan, Grand Caravan, Grand Voyager, and Voyager models, this radiator coolant hose ensures proper coolant flow and system integrity.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameter design with 1 3/8 inch and 1 1/2 inch ends for precise fitment
• Includes a protective sleeve to guard against abrasion and wear
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 27 inches for correct routing in compatible vehicles

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex cooling system layouts. This product line is engineered to maintain coolant flow efficiency while fitting tightly within engine compartments. The 71861 part exemplifies this with its curved design and protective sleeve, ensuring durability and proper fitment in Chrysler, Dodge, and Plymouth minivan models.

Detailed Product Description

The Dayco 71861 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a dual inside diameter configuration, with one end measuring 1 3/8 inches and the other 1 1/2 inches, allowing it to connect different sized fittings securely. The inclusion of a protective sleeve enhances the hose's lifespan by reducing abrasion damage during operation. Although it does not contain a heat shield, the material and design comply with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Chrysler Caravan and Dodge Grand Caravan
• Resolving coolant leaks caused by hose deterioration in Plymouth Voyager models
• Addressing improper coolant flow due to incorrect hose sizing or fitment
• Preventing overheating issues related to compromised radiator hoses
• Maintaining cooling system integrity in Grand Voyager vehicles

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71861, ensure the hose ends match the radiator and engine fittings by verifying the 1 3/8 inch and 1 1/2 inch inside diameters. Use proper clamps to secure the hose and avoid overtightening, which can damage the hose or fittings. Inspect the protective sleeve for any damage before installation, and route the hose to prevent contact with sharp edges or moving parts. It is recommended to drain the coolant system before removal and refill with the appropriate coolant after installation.

Quality Assurance and Warranty

Dayco manufactures the 71861 radiator coolant hose to meet SAE specifications, ensuring compliance with industry standards for durability and performance. The EPDM material and protective sleeve contribute to the hose's resistance to heat and abrasion. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Chrysler, Dodge, and Plymouth vehicles.