HomeBelts and Cooling > Hoses and PipesDayco 81401 Radiator Coolant Hose - Lower or Upper
Part #: 81401

Dayco 81401 Radiator Coolant Hose - Lower or Upper

Flex Radiator Hose, Lower
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Flex Radiator Hose, Lower
Fitment: International, Ford, and Cadillac, Scout, Thunderbird, Commercial Chassis, Series 60 Special Fleetwood, Series 61, Series 62, Series 75 Fleetwood, Series 60, Series 63, Series 67, Series 75, Model A, and Model AA
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Flex Radiator Hose 81401

The Dayco Flex Radiator Hose 81401 is designed for reliable cooling system performance in select Cadillac and Ford vehicles. This radiator coolant hose is engineered to meet the specific requirements of models such as the Cadillac Commercial Chassis and Ford Thunderbird, ensuring proper fit and function.

  • Compatible with Cadillac Commercial Chassis and Ford Thunderbird models
  • Part number 81401 for precise identification
  • Constructed as a radiator coolant hose for effective heat transfer
  • Part of the Dayco Flex Radiator Hose product line
  • Meets OEM specifications for durability and performance

About the Dayco Flex Radiator Hose Product Line

The Flex Radiator Hose line by Dayco focuses on delivering flexible, durable hoses designed to withstand the thermal and mechanical stresses of automotive cooling systems. This product line emphasizes compatibility with specific vehicle makes and models, providing a reliable replacement option for radiator coolant hoses. The 81401 hose maintains the integrity of the cooling system by ensuring proper coolant flow and resistance to heat and pressure.

Detailed Product Description

The Dayco Flex Radiator Hose 81401 is a radiator coolant hose engineered to fit Cadillac Commercial Chassis and Ford Thunderbird vehicles. It is manufactured to meet the exacting standards required for cooling system components, providing a secure and leak-resistant connection between the radiator and engine. This hose supports efficient coolant circulation, helping to maintain optimal engine temperature and prevent overheating. The part number 81401 ensures compatibility and ease of identification when servicing or replacing cooling system components.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Cadillac Commercial Chassis and Ford Thunderbird
  • Prevention of coolant leaks that can lead to engine overheating
  • Restoration of proper coolant flow for efficient engine temperature regulation
  • Addressing hose swelling or softening due to heat exposure
  • Ensuring secure hose connections to avoid coolant system pressure loss

Installation Notes and Tips

When installing the Dayco Flex Radiator Hose 81401, ensure the engine is cool to prevent injury from hot coolant. Inspect hose clamps and replace if necessary to secure the hose properly. Verify that the hose routing matches the original configuration to avoid kinks or interference with other engine components. After installation, check for leaks by running the engine and monitoring coolant flow and temperature.

Quality Assurance and Warranty

Dayco manufactures the Flex Radiator Hose 81401 to meet industry standards for automotive cooling system components. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure durability and performance. Using this hose helps maintain the integrity of the cooling system in Cadillac Commercial Chassis and Ford Thunderbird vehicles.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1960FordThunderbird5.8LV8UpperFlex Radiator Hose
1960FordThunderbird7.0LV8UpperFlex Radiator Hose
1959FordThunderbird5.8LV8UpperFlex Radiator Hose
1959FordThunderbird7.0LV8UpperFlex Radiator Hose
1958FordThunderbird4.8LV8UpperFlex Radiator Hose
1958FordThunderbird5.4LV8UpperFlex Radiator Hose
1958FordThunderbird5.8LV8UpperFlex Radiator Hose
1948CadillacCommercial ChassisLowerFlex Radiator Hose
1947CadillacCommercial ChassisLowerFlex Radiator Hose
1946CadillacCommercial ChassisLowerFlex Radiator Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8M9

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.