Dayco 81251 Radiator Coolant Hose - Lower, Lower - Pipe To Engine or Upper

Dayco 81251 Flex Radiator Hose

Dayco 81251 is a Flex Radiator Hose for lower and upper cooling-system applications across a wide range of classic cars, trucks, and SUVs. It is listed for select Jeep Cherokee and Jeep Comanche lower hose applications, along with Ford F-Series upper hose fitments and other vintage Chrysler, Chevrolet, Dodge, GMC, Oldsmobile, Pontiac, Cadillac, and Mercury vehicles.

Key Features

• Dayco Flex Radiator Hose, part number 81251
• Fits lower and upper radiator hose positions, depending on vehicle application
• Application-specific fitment for select Jeep Cherokee, Jeep Comanche, and Ford F-100/F-150/F-250/F-350 models
• Also listed for classic Chrysler, Dodge, Chevrolet, GMC, Oldsmobile, Pontiac, Cadillac, and Mercury vehicles
• Cross-references Gates 25528 and 26423 for the same application

Detailed Description

This Dayco 81251 radiator coolant hose is cataloged for direct replacement use in a broad range of cooling-system applications. Fitment includes 1989-2000 Jeep Cherokee lower, 1986-1992 Jeep Comanche lower, 1977-1979 Ford F-100 upper, 1977-1979 Ford F-150 upper, 1977-1979 Ford F-250 upper, and 1977-1979 Ford F-350 upper applications, plus additional classic vehicle listings. If you are searching for a lower radiator hose for a Jeep Cherokee or a Ford F-Series upper radiator hose, this part number is a relevant match to verify against your vehicle’s exact configuration.

What It Helps Address

• Cracked or aged radiator hose material
• Coolant leaks at the lower or upper hose connection
• Restricted coolant flow from a deteriorated hose
• Incorrect hose routing on application-specific cooling systems
• Replacement needs for classic Jeep, Ford, Chrysler, and GM vehicles

Installation Notes and Tips

Confirm the hose position before ordering, since this part is listed for both lower and upper applications depending on vehicle. Match the year, make, model, engine, and equipment notes such as air conditioning, horizontal thermo connection, or heavy-duty cooling where shown in the fitment data. Inspect hose necks, clamps, and mating surfaces before installation, and verify coolant level after service.

Quality Assurance

Dayco is a recognized name in belts and cooling components, and this hose is cataloged under Dayco part number 81251 for application-specific replacement use. This part cross-references Gates 25528 and 26423 for the same application.

Fitment

• Fits 1989-2000 Jeep Cherokee, lower.
• Fits 1986-1992 Jeep Comanche, lower.
• Fits 1987-1990 Dodge Dakota, lower.
• Fits 1983-1989 Chrysler Fifth Avenue, lower.
• Fits 1977-1979 Ford F-100, upper.
• Fits 1977-1979 Ford F-150, upper.
• Fits 1977-1979 Ford F-250, upper.
• Fits 1977-1979 Ford F-350, upper.
• Fits 1976-1979 Chevrolet Monza, lower.
• Fits 1970-1972 Chevrolet Camaro, lower.