Dayco 70753 Radiator Coolant Hose - Lower

Curved Lower Radiator Hose for Ford Trucks

Dayco 70753 is a curved radiator coolant hose built for lower radiator connections on select Ford F-100, F-150, F-250, and F-350 trucks. Made from EPDM and finished in black, it follows the OE-style routing needed for 1971-1976 Ford truck cooling system service.

The Dayco Curved Radiator Hose line focuses on application-specific hose shape and fitment for cooling system repairs. This Dayco 70753 hose uses a single I.D. hose design with 2-inch inside diameters at both ends and a 14 1/2-inch trunk height for the listed Ford truck applications.

Key Features

• EPDM construction for radiator coolant service
• Black finish for a clean OE-style appearance
• Single I.D. hose design
• 2-inch inside diameter at both ends
• Curved hose profile for lower radiator routing
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with select 1971-1976 Ford F-Series trucks

Detailed Description

Dayco 70753 is a radiator coolant hose for lower radiator placement on select Ford F-Series trucks. It is listed for 1971-1976 Ford F-100, F-150, F-250, and F-350 applications, including trucks with 4-inch thick radiator top configurations and Super H.D. radiator setups where noted. The curved shape supports the routing required in these truck cooling systems, while the EPDM material is suited for coolant exposure and everyday underhood temperatures.

This part cross-references Ford D1TZ-8286-A and D2TA-8286-FA for the same application. If you are searching for a lower radiator hose for a 1971-1976 Ford F-100, F-250, or F-350, Dayco 70753 is a direct-fit option for the listed configurations.

What It Helps Address

• Cracked or aging lower radiator hose material
• Coolant leaks at the radiator hose connection
• Incorrect hose shape for the factory routing path
• Softening or deterioration from heat and coolant exposure
• Cooling system service on classic Ford F-Series trucks

Installation Notes and Tips

Verify the hose routing, end diameters, and radiator configuration before installation. This hose is listed for lower position use only, and the fitment notes vary by model year and radiator thickness. Inspect hose clamps, radiator necks, and adjoining coolant pipes for wear before installing the new hose.

Quality Assurance

Dayco manufactures this hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC requirements, supporting consistent material and performance standards for radiator coolant service.