Homeβ€Ί Belts and Cooling > Hoses and Pipesβ€Ί Dayco 81381 Radiator Coolant Hose - Lower or Upper
Part #: 81381

Dayco 81381 Radiator Coolant Hose - Lower or Upper

Flex Radiator Hose, Lower
98 vehicles fit this part
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
Flex Radiator Hose, Lower
Fitment: Ford, International, Mercury, Chevrolet, Lincoln, Oldsmobile, Dodge, and Edsel, E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, Scout II, E-250 Econoline, E-100 Econoline, 100, 200, Country Sedan, Country Squire, Custom, Custom 500, Galaxie 500, LTD, Ranch Wagon, Colony Park, Marauder, Marquis, Monterey, Camaro, Nova, Thunderbird, Mark III, 1000C, 1100C, 1200C, 1300C, 1000B, 1100B, 1200B, 1300B, Commuter, Montclair, 442, 98, Cutlass, Cutlass Supreme, Delmont 88, Delta 88, F85, Toronado, Vista Cruiser, F-350, 1000A, 1100A, 1200A, 1300A, Dynamic 88, Jetstar 88, Super 88, 300, Galaxie, Meteor, W300 Series, Ranger, Villager, Fairlane, Starliner, Sunliner, and Victoria
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Overview of Dayco Flex Radiator Hose 81381

The Dayco Flex Radiator Hose 81381 is designed to provide reliable coolant flow for a range of classic and utility vehicles. Engineered for durability and compatibility, this radiator coolant hose supports proper engine temperature regulation in Chevrolet, Ford, Mercury, and Oldsmobile models.

  • Durable construction for long-lasting performance
  • Compatible with multiple Chevrolet, Ford, Mercury, and Oldsmobile models
  • Designed to maintain optimal coolant flow and prevent leaks
  • Part number 81381 ensures precise fitment
  • Part of the Dayco Flex Radiator Hose product line

About the Dayco Flex Radiator Hose Product Line

The Flex Radiator Hose line by Dayco focuses on delivering flexible, heat-resistant hoses that maintain coolant system integrity under varying engine conditions. This product line is engineered to meet the demands of both vintage and utility vehicles, providing a balance of flexibility and durability. The 81381 hose is part of this line, ensuring it meets Dayco's standards for radiator coolant hoses.

Detailed Product Description

The Dayco Flex Radiator Hose 81381 is a radiator coolant hose designed to fit a variety of vehicles including Chevrolet Camaro, Nova, and Delta 88; Ford F-350 and Econoline series; Mercury Marauder and Marquis; and Oldsmobile Cutlass and Toronado models. This hose is engineered to withstand the heat and pressure of the cooling system, helping to prevent leaks and maintain consistent coolant flow. Its flexible design allows for easier installation and better accommodation of engine movement.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks that can cause engine overheating
  • Restoration of proper coolant flow in Chevrolet Camaro and Ford Econoline vehicles
  • Maintenance of cooling system integrity in Mercury and Oldsmobile models
  • Addressing hose failures due to age or heat damage

Installation Notes and Tips

When installing the Dayco Flex Radiator Hose 81381, ensure the engine is cool before removal of the old hose. Verify compatibility with your specific vehicle model and engine type. Use proper clamps to secure the hose and check for any signs of wear or damage on adjacent components. It is recommended to inspect the entire cooling system during installation to prevent future issues.

Quality Assurance and Warranty

Dayco manufactures the Flex Radiator Hose 81381 to meet industry standards for durability and performance. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure reliability in automotive cooling systems.

This part fits 98 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990FordE-250 Econoline Club Wagon7.5LV8Lowerw/o Eng. Oil Cooler; Flex Radiator Hose
1990FordE-350 Econoline7.5LV8Lowerw/o Eng. Oil Cooler; Flex Radiator Hose
1990FordE-350 Econoline Club Wagon7.5LV8Lowerw/o Eng. Oil Cooler; Flex Radiator Hose
1989FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1989FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1989FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1988FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1988FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1988FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1987FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1987FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1987FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1986FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1986FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1986FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1985FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1985FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1985FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1984FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1984FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1984FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1983FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1983FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1983FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1982FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1982FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1982FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1981FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1981FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1981FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1979FordE-250 Econoline7.5LV8LowerFlex Radiator Hose
1979FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1979FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1979FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1978FordE-100 Econoline7.5LV8LowerFlex Radiator Hose
1978FordE-250 Econoline7.5LV8LowerFlex Radiator Hose
1978FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1978FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1978FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1977FordE-250 Econoline7.5LV8LowerFlex Radiator Hose
1977FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1977FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1977FordE-350 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1976FordE-250 Econoline7.5LV8LowerFlex Radiator Hose
1976FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1976FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1975FordE-250 Econoline7.5LV8LowerFlex Radiator Hose
1975FordE-250 Econoline Club Wagon7.5LV8LowerFlex Radiator Hose
1975FordE-350 Econoline7.5LV8LowerFlex Radiator Hose
1971FordLTD6.4LV8LowerFlex Radiator Hose
1970FordLTD6.4LV8LowerFlex Radiator Hose
1970MercuryColony Park6.4LV8LowerFlex Radiator Hose
1970MercuryMarauder6.4LV8LowerFlex Radiator Hose
1970MercuryMarquis6.4LV8LowerFlex Radiator Hose
1969ChevroletCamaro6.5LV8Lower2 In. Water Pump Inlet; Flex Radiator Hose
1969ChevroletNova6.5LV8Lower2 In. Water Pump Inlet; Flex Radiator Hose
1969FordLTD6.4LV8LowerFlex Radiator Hose
1969FordThunderbird7.0LV8LowerFlex Radiator Hose
1968ChevroletCamaro6.5LV8Lower2 In. Water Pump Inlet; Flex Radiator Hose
1968FordLTD6.4LV8LowerFlex Radiator Hose
1968FordLTD7.0LV8LowerFlex Radiator Hose
1968FordThunderbird6.4LV8LowerFlex Radiator Hose
1968FordThunderbird7.0LV8LowerFlex Radiator Hose
1968MercuryMarquis6.4LV8LowerFlex Radiator Hose
1968MercuryMarquis7.0LV8LowerFlex Radiator Hose
1967ChevroletCamaro6.5LV8Lower2 In. Water Pump Inlet; Flex Radiator Hose
1967FordThunderbird6.4LV8LowerFlex Radiator Hose
1967FordThunderbird7.0LV8LowerFlex Radiator Hose
1967MercuryColony Park6.4LV8LowerFlex Radiator Hose
1967MercuryMarquis6.4LV8LowerFlex Radiator Hose
1967MercuryMarquis6.7LV8LowerFlex Radiator Hose
1967Oldsmobile98LowerFits vehicles without air conditioning.; Flex Radiator Hose
1967OldsmobileCutlass6.6LV8LowerFlex Radiator Hose
1967OldsmobileCutlass5.4LV8LowerFlex Radiator Hose
1967OldsmobileCutlass SupremeLowerFlex Radiator Hose
1967OldsmobileDelta 887.0LV8LowerFits vehicles without air conditioning.; Flex Radiator Hose
1967OldsmobileToronado7.0LV8Lowerw/A.P.; Flex Radiator Hose
1966FordF-3505.8LV8UpperDual Rear Wheel; Flex Radiator Hose
1966MercuryColony Park6.4LV8LowerFlex Radiator Hose
1966MercuryMarauder6.4LV8LowerFlex Radiator Hose
1966Oldsmobile98LowerFlex Radiator Hose
1966OldsmobileCutlass6.6LV8Lowerw/A.C., w/o A.P.; Flex Radiator Hose
1966OldsmobileCutlass6.6LV8Lowerw/A.P.; Flex Radiator Hose
1966OldsmobileCutlass6.6LV8Lowerw/o A.C., w/o A.P.; Flex Radiator Hose
1966OldsmobileCutlass5.4LV8LowerFlex Radiator Hose
1966OldsmobileDelta 88LowerFlex Radiator Hose
1966OldsmobileToronado7.0LV8LowerFlex Radiator Hose
1965FordF-3505.8LV8UpperDual Rear Wheel; Flex Radiator Hose
1965Oldsmobile98LowerFlex Radiator Hose
1965OldsmobileCutlass6.6LV8LowerFlex Radiator Hose
1965OldsmobileCutlass5.4LV8LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1965OldsmobileCutlass5.4LV8LowerFits vehicles without air conditioning.; Flex Radiator Hose
1964Oldsmobile986.5LV8LowerFlex Radiator Hose
1963Oldsmobile986.5LV8LowerFlex Radiator Hose
1962Oldsmobile98LowerFlex Radiator Hose
1961Oldsmobile98LowerFlex Radiator Hose
1960Oldsmobile98LowerFlex Radiator Hose
1959Oldsmobile986.1LV8LowerFlex 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:

9M16

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