Homeβ€Ί Belts and Cooling > Hoses and Pipesβ€Ί Dayco 81091 Radiator Coolant Hose
Part #: 81091

Dayco 81091 Radiator Coolant Hose

Flex Radiator Hose, Upper
βš™οΈ 207 vehicles fit this part
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πŸ“¦Flex Radiator Hose, Upper
πŸš—Fitment: Isuzu, Jeep, Chrysler, Dodge, Ford, Eagle, Merkur, Mercury, Pontiac, Buick, Cadillac, Chevrolet, Mazda, Mercedes-Benz, Oldsmobile, Peugeot, Toyota, Nissan, American Motors, Audi, Studebaker, and Packard, Rodeo, Rodeo Sport, Amigo, Wrangler, Dynasty, Imperial, New Yorker, Taurus, Dakota, Medallion, Scorpio, Escort, Lynx, Fiero, Tempo, Cherokee, Comanche, Wagoneer, Sable, Topaz, Electra, Commercial Chassis, DeVille, Fleetwood, Camaro, 626, 300SD, 98, 505, Firebird, Century, LTD, Mustang, Thunderbird, Capri, Cougar, Marquis, Cutlass Ciera, Fairmont, 300TD, Zephyr, 504, Pickup, Cimarron, Cavalier, Granada, J2000, 720, Pinto, GLC, Bobcat, Concord, Spirit, Mustang II, Phoenix, Maverick, Comet, Monarch, Ventura, Corona, 100 Series, Bronco, E-100 Econoline, E-200 Econoline, E-300 Econoline, Falcon, Fairlane, Ranchero, Torino, Montego, Caliente, Villager, Voyager, Club Wagon, Econoline, Falcon Sedan Delivery, Ranch Wagon, Cyclone, Sprint, Meteor, Lark, Silver Hawk, Commander, President, and Clipper
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Overview of Dayco Flex Radiator Hose 81091

The Dayco Flex Radiator Hose 81091 is designed to provide reliable coolant flow for a wide range of vehicles. Engineered for durability and compatibility, this radiator coolant hose supports proper engine temperature regulation in various makes and models including Ford Mustang, Chevrolet Camaro, and Jeep Wrangler.

  • Durable construction for long-lasting performance
  • Compatible with multiple vehicle makes and models
  • Designed to maintain optimal coolant flow and temperature
  • Part of the Dayco Flex Radiator Hose product line
  • OEM-quality fit and function

About the Dayco Flex Radiator Hose Product Line

The Flex Radiator Hose line by Dayco focuses on delivering flexible, reliable radiator coolant hoses that meet or exceed original equipment specifications. This product line is engineered to withstand the thermal and pressure demands of modern engines, ensuring consistent coolant circulation. The 81091 hose is part of this line, offering a balance of flexibility and durability suitable for a variety of automotive applications.

Detailed Product Description

The Dayco Flex Radiator Hose 81091 is a radiator coolant hose designed to fit numerous vehicles including Buick Century, Cadillac DeVille, Chrysler New Yorker, Dodge Dakota, Ford Bronco, Isuzu Rodeo, Jeep Cherokee, Mazda 626, Mercedes-Benz 300SD, Mercury Marquis, Nissan Pickup, Oldsmobile Cutlass Ciera, Pontiac Firebird, and Toyota Camry. This hose ensures efficient coolant transfer between the radiator and engine, helping maintain proper engine temperature and prevent overheating. Its construction supports resistance to heat, pressure, and coolant chemicals, contributing to engine reliability and longevity.

Common Applications and Issues Addressed

  • Replacement for cracked or leaking radiator coolant hoses
  • Prevents engine overheating due to coolant loss
  • Restores proper coolant flow in vehicles with aging hoses
  • Addresses coolant hose swelling or softening from heat exposure
  • Suitable for maintenance on Ford Mustang, Chevrolet Camaro, and Jeep Wrangler cooling systems

Installation Notes and Tips

  • Ensure engine is cool before removing the old radiator hose
  • Check hose clamps and replace if worn or corroded
  • Verify proper hose routing to avoid kinks or interference
  • Use appropriate coolant type recommended by vehicle manufacturer
  • Inspect surrounding components for wear during installation

Quality Assurance and Warranty

Dayco manufactures the Flex Radiator Hose 81091 to meet stringent quality standards, ensuring reliable performance in demanding automotive environments. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to durability and fitment accuracy.

This part fits 207 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
2003IsuzuRodeo2.2LL4UpperFlex Radiator Hose
2003IsuzuRodeo Sport2.2LL4UpperFlex Radiator Hose
2002IsuzuRodeo2.2LL4UpperFlex Radiator Hose
2002IsuzuRodeo Sport2.2LL4UpperFlex Radiator Hose
2001IsuzuRodeo2.2LL4UpperFlex Radiator Hose
2001IsuzuRodeo Sport2.2LL4UpperFlex Radiator Hose
2000IsuzuAmigo2.2LL4UpperFlex Radiator Hose
2000IsuzuRodeo2.2LL4UpperFlex Radiator Hose
1999IsuzuAmigo2.2LL4UpperFlex Radiator Hose
1999IsuzuRodeo2.2LL4UpperFlex Radiator Hose
1998IsuzuAmigo2.2LL4UpperFlex Radiator Hose
1998IsuzuRodeo2.2LL4UpperFlex Radiator Hose
1995JeepWrangler2.5LL4UpperFlex Radiator Hose
1994JeepWrangler2.5LL4UpperFlex Radiator Hose
1993ChryslerDynasty3.3LV6UpperFlex Radiator Hose
1993ChryslerImperialUpperFlex Radiator Hose
1993ChryslerNew Yorker3.8LV6UpperFlex Radiator Hose
1993ChryslerNew Yorker3.3LV6UpperFlex Radiator Hose
1993JeepWrangler2.5LL4UpperFlex Radiator Hose
1992ChryslerDynasty3.3LV6UpperFlex Radiator Hose
1992JeepWrangler2.5LL4UpperFlex Radiator Hose
1991FordTaurus2.5LL4UpperFlex Radiator Hose
1991JeepWrangler2.5LL4UpperFlex Radiator Hose
1990DodgeDakota3.9LV6UpperFlex Radiator Hose
1990FordTaurus2.5LL4UpperFlex Radiator Hose
1990JeepWrangler2.5LL4UpperFlex Radiator Hose
1989DodgeDakota3.9LV6UpperFlex Radiator Hose
1989FordTaurus2.5LL4UpperFlex Radiator Hose
1989JeepWrangler2.5LL4UpperFlex Radiator Hose
1988DodgeDakota3.9LV6UpperFlex Radiator Hose
1988FordTaurus2.5LL4UpperFlex Radiator Hose
1988JeepWrangler2.5LL4UpperFlex Radiator Hose
1987DodgeDakota3.9LV6UpperFlex Radiator Hose
1987FordEscort2.0LL4UpperFlex Radiator Hose
1987FordTaurus2.5LL4UpperFlex Radiator Hose
1987JeepWrangler2.5LL4UpperFlex Radiator Hose
1987MercuryLynx2.0LL4Upper - Pipe To EngineFlex Radiator Hose
1987MercuryLynx2.0LL4Upper - Pipe To RadiatorFlex Radiator Hose
1987PontiacFiero2.8LV6Lower - Pipe To EngineFlex Radiator Hose
1986FordEscort2.0LL4UpperFlex Radiator Hose
1986FordTaurus2.5LL4UpperFlex Radiator Hose
1986FordTempo2.0LL4UpperFlex Radiator Hose
1986JeepCherokee2.8LV6UpperFits vehicles without air conditioning.; Flex Radiator Hose
1986JeepComanche2.8LV6UpperFits vehicles without air conditioning.; Flex Radiator Hose
1986JeepWagoneer2.8LV6UpperFits vehicles without air conditioning.; Flex Radiator Hose
1986MercuryLynx2.0LL4Upper - Pipe To EngineFlex Radiator Hose
1986MercuryLynx2.0LL4Upper - Pipe To RadiatorFlex Radiator Hose
1986MercurySable2.5LL4UpperFlex Radiator Hose
1986MercuryTopaz2.0LL4Upper - Pipe To EngineFlex Radiator Hose
1986MercuryTopaz2.0LL4Upper - Pipe To RadiatorFlex Radiator Hose
1986PontiacFiero2.8LV6Lower - Pipe To EngineFlex Radiator Hose
1985CadillacCommercial Chassis4.3LV6UpperFlex Radiator Hose
1985CadillacDeVille4.3LV6UpperFlex Radiator Hose
1985CadillacFleetwood4.3LV6UpperFlex Radiator Hose
1985ChevroletCamaro5.0LV8Upperw/o A.C., Std. Rad.; Flex Radiator Hose
1985FordEscort2.0LL4UpperFlex Radiator Hose
1985FordTempo2.0LL4UpperFlex Radiator Hose
1985JeepCherokee2.8LV6UpperFits vehicles without air conditioning.; Flex Radiator Hose
1985JeepWagoneer2.8LV6UpperFits vehicles without air conditioning.; Flex Radiator Hose
1985Mazda626DIESELUpper - Pipe To EngineFlex Radiator Hose
1985Mazda626DIESELUpper - Pipe To RadiatorFlex Radiator Hose
1985Mercedes-Benz300SDUpperFlex Radiator Hose
1985MercuryLynx2.0LL4Upper - Pipe To EngineFlex Radiator Hose
1985MercuryLynx2.0LL4Upper - Pipe To RadiatorFlex Radiator Hose
1985MercuryTopaz2.0LL4Upper - Pipe To EngineFlex Radiator Hose
1985MercuryTopaz2.0LL4Upper - Pipe To RadiatorFlex Radiator Hose
1985Oldsmobile984.3LV6UpperFlex Radiator Hose
1985PontiacFiero2.8LV6Lower - Pipe To EngineFlex Radiator Hose
1985PontiacFirebird5.0LV8Upperw/o A.C., Std. Rad.; Flex Radiator Hose
1984BuickCentury2.8LV6UpperCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1984BuickCentury2.8LV6Upperw/o A.C., H.D. Cool; Flex Radiator Hose
1984ChevroletCamaro5.0LV8Upperw/o A.C., Std. Rad.; Flex Radiator Hose
1984FordEscort2.0LL4UpperFlex Radiator Hose
1984FordLTD2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1984FordMustang2.3LL4LowerTop Tank Rad., w/o A.C.; Flex Radiator Hose
1984FordTempo2.0LL4UpperFlex Radiator Hose
1984FordThunderbird5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1984JeepCherokee2.8LV6UpperFits vehicles without air conditioning.; Flex Radiator Hose
1984JeepWagoneer2.8LV6UpperFits vehicles without air conditioning.; Flex Radiator Hose
1984Mazda626DIESELUpper - Pipe To EngineFlex Radiator Hose
1984Mercedes-Benz300SDUpperFlex Radiator Hose
1984MercuryCapri2.3LL4Lowerw/o A.C., Top Tank Rad.; Flex Radiator Hose
1984MercuryCougar5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1984MercuryLynx2.0LL4Upper - Pipe To EngineFlex Radiator Hose
1984MercuryLynx2.0LL4Upper - Pipe To RadiatorFlex Radiator Hose
1984MercuryMarquis2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1984MercuryTopaz2.0LL4Upper - Pipe To EngineFlex Radiator Hose
1984MercuryTopaz2.0LL4Upper - Pipe To RadiatorFlex Radiator Hose
1984OldsmobileCutlass Ciera2.8LV6UpperCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1984PontiacFirebird5.0LV8Upperw/o A.C., Std. Rad.; Flex Radiator Hose
1983BuickCentury2.8LV6Upperw/A.C. or H.D. Cool; Flex Radiator Hose
1983FordFairmont2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1983FordLTD2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1983FordMustang2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1983FordThunderbird5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1983FordThunderbird2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1983Mercedes-Benz300SDUpperFlex Radiator Hose
1983Mercedes-Benz300TDUpperFlex Radiator Hose
1983MercuryCapri2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1983MercuryCougar5.0LV8UpperFlex Radiator Hose
1983MercuryMarquis2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1983MercuryZephyr2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1983OldsmobileCutlass Ciera2.8LV6Upperw/A.C. or H.D. Cool; Flex Radiator Hose
1983ToyotaPickupRWD2.4LL4LowerFlex Radiator Hose
1982BuickCentury2.8LV6Upperw/A.C. or H.D. Cool; Flex Radiator Hose
1982CadillacCimarronLower22 In. Rad.; Flex Radiator Hose
1982ChevroletCavalierLower22 In. Rad.; Flex Radiator Hose
1982FordFairmont4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1982FordFairmont2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1982FordMustang2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1982FordThunderbird4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1982Mercedes-Benz300SDUpperFlex Radiator Hose
1982Mercedes-Benz300TDUpperFlex Radiator Hose
1982MercuryCapri2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1982MercuryCougar4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1982MercuryZephyr4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1982MercuryZephyr2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1982PontiacJ20001.8LL4Lower22 In. Rad.; Flex Radiator Hose
1982ToyotaPickupRWD2.4LL4LowerFlex Radiator Hose
1981FordFairmont4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1981FordFairmont2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1981FordMustang2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1981FordThunderbird5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1981FordThunderbird4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1981MercuryCapri2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1981MercuryCougar5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1981MercuryCougar2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1981MercuryZephyr4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1981MercuryZephyr2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1981Nissan7202.2LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1981ToyotaPickupRWD2.4LL4LowerFlex Radiator Hose
1980FordFairmont4.2LV8UpperFlex Radiator Hose
1980FordFairmont2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1980FordMustang2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1980FordPintoLowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1980MercuryBobcatLowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1980MercuryCapri2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1980MercuryCougar5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1980MercuryCougar4.2LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1980MercuryZephyr4.2LV8UpperFlex Radiator Hose
1980MercuryZephyr2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1979FordFairmont5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1979FordFairmont2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1979FordMustang2.8LV6LowerFlex Radiator Hose
1979FordMustang2.3LL4Lowerw/o A.C., Early; Flex Radiator Hose
1979FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1979MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1979MercuryCapri2.8LV6LowerFlex Radiator Hose
1979MercuryCapri2.3LL4Lowerw/o A.C., Early; Flex Radiator Hose
1979MercuryZephyr5.0LV8Upperw/o A.C., w/P.S.; Flex Radiator Hose
1979MercuryZephyr2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1978FordFairmont5.0LV8UpperFits vehicles without air conditioning.; Flex Radiator Hose
1978FordFairmont2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1978FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1978MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1978MercuryZephyr5.0LV8Upperwithout power steering; Flex Radiator Hose
1978MercuryZephyr2.3LL4LowerFits vehicles without air conditioning.; Flex Radiator Hose
1978PontiacPhoenix2.5LL4Upperw/o A.C., w/o P.S.; Flex Radiator Hose
1977FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1977MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1977MercuryMonarch3.3LL6Upperw/o A.C., w/o P.S.; Flex Radiator Hose
1977PontiacPhoenix2.5LL4Upperw/o A.C., w/o P.S.; Flex Radiator Hose
1976FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1976MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1976MercuryMonarch3.3LL6Upperw/o A.C., w/P.S.; Flex Radiator Hose
1975FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1975MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1975MercuryMonarch3.3LL6Upperw/o A.C., w/o P.S.; Flex Radiator Hose
1975ToyotaCoronaLowerFlex Radiator Hose
1975ToyotaPickupLowerFlex Radiator Hose
1974FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1974MercuryCapri2.0LL4LowerFlex Radiator Hose
1973FordPinto2.0LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1972FordPinto2.0LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1971FordPinto2.0LL4LowerCompatible with vehicles containing air conditioning.; Flex Radiator Hose
1971ToyotaCorona1.9LL4LowerFlex Radiator Hose
1970FordBronco2.8LL6LowerFlex Radiator Hose
1970FordE-100 Econoline2.8LL6LowerFlex Radiator Hose
1970FordMustang3.3LL6LowerFits vehicles without air conditioning.; Flex Radiator Hose
1969FordBronco2.8LL6LowerFlex Radiator Hose
1969FordE-100 Econoline2.8LL6LowerFlex Radiator Hose
1969FordMustang3.3LL6LowerFits vehicles without air conditioning.; Flex Radiator Hose
1968FordBronco2.8LL6LowerFlex Radiator Hose
1968FordMustang3.3LL6LowerFlex Radiator Hose
1968MercuryMontego3.3LL6LowerFits vehicles without air conditioning.; Flex Radiator Hose
1967FordBronco2.8LL6LowerFlex Radiator Hose
1967FordMustang3.3LL6LowerFlex Radiator Hose
1967MercuryVillager3.3LL6LowerFlex Radiator Hose
1966FordBronco2.8LL6LowerFlex Radiator Hose
1966FordEconoline2.8LL6Lowerw/M.T.; Flex Radiator Hose
1966FordMustang3.3LL6LowerFlex Radiator Hose
1966MercuryVillager3.3LL6LowerFlex Radiator Hose
1965FordEconoline2.8LL6Lowerw/M.T.; Flex Radiator Hose
1965FordMustang2.8LL6LowerFits vehicles without air conditioning.; Flex Radiator Hose
1965FordMustang3.3LL6LowerFits vehicles without air conditioning.; Flex Radiator Hose
1965MercuryVillager3.3LL6LowerFlex Radiator Hose
1964FordEconoline2.4LL6Lowerw/M.T.; Flex Radiator Hose
1964FordEconoline2.8LL6Lowerw/M.T.; Flex Radiator Hose
1964FordMustang2.8LL6LowerFits vehicles without air conditioning.; Flex Radiator Hose
1964FordMustang3.3LL6LowerFlex Radiator Hose
1964MercuryVillager2.8LL6LowerFlex Radiator Hose
1964MercuryVillager3.3LL6LowerFlex Radiator Hose
1963FordEconoline2.4LL6LowerFlex Radiator Hose
1963FordEconoline2.8LL6LowerFlex Radiator Hose
1962FordEconoline2.4LL6LowerFlex Radiator Hose
1962FordEconoline2.8LL6LowerFlex Radiator Hose
1961FordEconolineLowerFlex 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:

5M19

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