Dayco 71263 Radiator Coolant Hose - Lower

Dayco Curved Radiator Hose 71263

Dayco 71263 is a curved radiator coolant hose built for lower cooling-system routing on select Volkswagen applications. Made from EPDM and finished in black, it uses a single I.D. hose design with 1 3/16-inch inside diameter at both ends for a direct replacement on listed vehicles.

Compatible with lower hose applications on Volkswagen Golf, Jetta, and Passat models, this Dayco Curved Radiator Hose line is built for vehicles that need a formed coolant hose with the correct bend and diameter. The 71263 part number is also a useful reference when cross-shopping cooling hose replacements for the same application.

Key Features

• EPDM construction for coolant-system service
• Black finish for a clean OE-style appearance
• Single I.D. hose design
• 1 3/16-inch inside diameter at both ends
• Curved radiator hose profile for lower routing
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• No heat shield and no protective sleeve

Detailed Description

Dayco 71263 is part of the Dayco Curved Radiator Hose product line, which focuses on formed coolant hoses that match the routing requirements of specific vehicle cooling systems. This hose is shaped for lower radiator hose placement and uses EPDM rubber to handle coolant exposure in everyday service. The 71263 designation is commonly referenced when replacing a lower radiator coolant hose on Volkswagen Golf, Volkswagen Jetta, and Volkswagen Passat models listed in the fitment data.

This part cross-references Gates 21608 for the same application. It is also listed against other aftermarket numbers, including ACDelco 20206S, Beck/Arnley 142-6063, CARQUEST 21608, Duralast B71263, Freshstart 558, Goodyear 61645, and NAPA 8325.

What This Hose Helps Address

• Cracked or hardened lower radiator hose material
• Coolant leaks at the hose body
• Incorrect hose shape or routing on replacement repairs
• Softening or swelling from age and heat cycling
• Loss of proper coolant flow through the lower hose path

Installation Notes and Tips

Verify the vehicle’s lower hose routing, engine configuration, and air-conditioning setup before installation. Fitment includes 1985-1993 Volkswagen Jetta lower, 1985-1992 Volkswagen Golf lower, and 1991 Volkswagen Passat lower, with notes for certain air-conditioning and extra-cool configurations. Confirm both hose ends measure 1 3/16 inches inside diameter and inspect adjoining necks, clamps, and coolant condition before service.

• Fits 1985-1993 Volkswagen Jetta, lower
• Fits 1985-1992 Volkswagen Golf, lower
• Fits 1991 Volkswagen Passat, lower
• Fits 1990 Volkswagen Golf, lower
• Fits 1990 Volkswagen Jetta, lower
• Fits 1989 Volkswagen Jetta, lower
• Fits 1985-1986 Volkswagen Golf, lower
• Fits 1985-1986 Volkswagen Jetta, lower
• Fits 1991-1992 Volkswagen Golf, lower
• Fits 1989-1992 Volkswagen Jetta, lower

Quality Assurance

Dayco manufactures this radiator coolant hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, supporting consistent material and dimensional requirements for cooling-system service. The EPDM hose construction and formed profile are selected for the listed Volkswagen lower hose applications.