Homeβ€Ί Belts and Cooling > Hoses and Pipesβ€Ί Dayco 70780 Radiator Coolant Hose - Lower, Lower - Pipe To Engine or Lower - Pipe To Radiator
Part #: 70780

Dayco 70780 Radiator Coolant Hose - Lower, Lower - Pipe To Engine or Lower - Pipe To Radiator

Curved Radiator Hose, Lower, Lower - Pipe To Engine, and Lower - Pipe To Radiator
119 vehicles fit this part
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Curved Radiator Hose, Lower, Lower - Pipe To Engine, and Lower - Pipe To Radiator
Fitment: Chrysler, Dodge, and Toyota, Challenger, Charger, Dart, Land Cruiser, Magnum, Monaco, New Yorker, Newport, and Town & Country
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Durable Radiator Coolant Hose for Chrysler, Dodge, and Toyota Vehicles

The Dayco Curved Radiator Hose 70780 is engineered to provide reliable coolant flow for select Chrysler, Dodge, and Toyota models. Designed with precision, this radiator coolant hose ensures consistent performance and durability under demanding engine conditions.

Key Features of Dayco Curved Radiator Hose 70780

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design to fit specific engine layouts
  • Uniform inside diameter of 1 3/4 inches on both ends for consistent coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for coolant hoses
  • Single inside diameter hose type suitable for radiator coolant systems
  • Trunk height of 15 inches for proper fitment in designated vehicle models

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that accommodate specific engine configurations requiring curved coolant pathways. This product line emphasizes durability and compliance with SAE standards, ensuring compatibility and reliable performance in cooling systems. The 70780 part number is a representative component within this line, tailored for select Chrysler, Dodge, and Toyota vehicles.

Detailed Product Description

The Dayco 70780 radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Its black curved design allows it to fit precisely in engine bays of models such as the Chrysler Challenger, Dodge Charger, Dodge Dart, Toyota Land Cruiser, and others. Both ends of the hose have an inside diameter of 1 3/4 inches, ensuring a secure and leak-free connection to the radiator and engine fittings. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Chrysler, Dodge, and Toyota vehicles
  • Prevention of coolant leaks that can lead to engine overheating
  • Restoration of proper coolant flow in curved hose routing areas
  • Addressing hose swelling or softening due to prolonged heat exposure
  • Ensuring compliance with manufacturer coolant hose specifications

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70780, ensure the hose is routed without kinks or sharp bends that could restrict coolant flow. Verify that both ends with 1 3/4 inch inside diameter fit securely onto the radiator and engine fittings. It is recommended to inspect hose clamps and replace them if necessary to maintain a tight seal. Allow the engine to cool before removal and installation to avoid injury and damage.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70780 to meet stringent SAE specifications, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Using this hose helps maintain the integrity of the cooling system in compatible Chrysler, Dodge, and Toyota vehicles.

BrandDayco
Part Number70780
PositionCurved Radiator Hose, Lower, Lower - Pipe To Engine, and Lower - Pipe To Radiator
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 3/4
End 2 Inside Diameter1 3/4
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height15

This part fits 119 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1981ChryslerNewport5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980ChryslerNew Yorker5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980ChryslerNew Yorker5.9LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980ChryslerNewport5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980ChryslerNewport5.9LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980ToyotaLand CruiserLower - Pipe To RadiatorFits vehicles without air conditioning.; Curved Radiator Hose
1979ChryslerNew Yorker5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979ChryslerNew Yorker5.9LV8LowerCurved Radiator Hose
1979ChryslerNewport5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979ChryslerNewport5.9LV8LowerCurved Radiator Hose
1979ChryslerTown & Country5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979ChryslerTown & Country5.9LV8LowerCurved Radiator Hose
1979DodgeMagnum5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979DodgeMagnum5.9LV8LowerCurved Radiator Hose
1979ToyotaLand CruiserLower - Pipe To RadiatorFJ40; Curved Radiator Hose
1978ChryslerTown & Country5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeCharger5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeCharger5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1978DodgeCharger5.9LV8LowerCurved Radiator Hose
1978DodgeCharger6.6LV8LowerCurved Radiator Hose
1978DodgeMagnum5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeMagnum5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1978DodgeMagnum5.9LV8LowerCurved Radiator Hose
1978DodgeMagnum6.6LV8LowerCurved Radiator Hose
1978DodgeMonaco5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeMonaco5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1978DodgeMonaco5.9LV8LowerCurved Radiator Hose
1978DodgeMonaco6.6LV8LowerCurved Radiator Hose
1978DodgeMonaco7.2LV8LowerCurved Radiator Hose
1978ToyotaLand CruiserLower - Pipe To Enginew/o A.C., FJ40; Curved Radiator Hose
1977DodgeCharger5.2LV8LowerCurved Radiator Hose
1977DodgeCharger5.9LV8LowerCurved Radiator Hose
1977DodgeCharger6.6LV8LowerCurved Radiator Hose
1977DodgeMonaco5.2LV8LowerCurved Radiator Hose
1977DodgeMonaco5.9LV8LowerCurved Radiator Hose
1977DodgeMonaco6.6LV8LowerCurved Radiator Hose
1977DodgeMonaco7.2LV8LowerCurved Radiator Hose
1977ToyotaLand CruiserLower - Pipe To Enginew/o A.C., FJ40; Curved Radiator Hose
1976DodgeCharger5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeCharger5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1976DodgeCharger5.9LV8LowerCurved Radiator Hose
1976DodgeCharger6.6LV8LowerCurved Radiator Hose
1976DodgeDart5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeDart5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1976DodgeDart5.9LV8LowerCurved Radiator Hose
1976DodgeMonaco5.2LV8LowerCurved Radiator Hose
1976ToyotaLand CruiserLower - Pipe To EngineFits vehicles without air conditioning.; Curved Radiator Hose
1976ToyotaLand CruiserLower - Pipe To Enginew/o A.C., FJ40; Curved Radiator Hose
1975DodgeCharger5.2LV8LowerCurved Radiator Hose
1975DodgeCharger5.9LV8LowerCurved Radiator Hose
1975DodgeCharger6.6LV8LowerCurved Radiator Hose
1975DodgeDart5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeDart5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1975DodgeDart5.9LV8LowerCurved Radiator Hose
1975DodgeMonaco5.2LV8LowerCurved Radiator Hose
1975DodgeMonaco5.9LV8LowerCurved Radiator Hose
1975DodgeMonaco7.2LV8LowerCurved Radiator Hose
1975ToyotaLand CruiserLower - Pipe To EngineFits vehicles without air conditioning.; Curved Radiator Hose
1974DodgeChallenger5.2LV8LowerCurved Radiator Hose
1974DodgeChallenger5.9LV8LowerCurved Radiator Hose
1974DodgeCharger5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1974DodgeCharger5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1974DodgeCharger5.9LV8LowerCurved Radiator Hose
1974DodgeDart5.2LV8LowerCurved Radiator Hose
1974DodgeDart5.9LV8LowerCurved Radiator Hose
1973DodgeChallenger5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1973DodgeChallenger5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeChallenger5.6LV8LowerRadiator Coolant Hose for H.D. vehicles.; Curved Radiator Hose
1973DodgeChallenger5.6LV8Lowerw/o A.C., Std. Rad.; Curved Radiator Hose
1973DodgeCharger5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1973DodgeCharger5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeCharger5.6LV8LowerRadiator Coolant Hose for H.D. vehicles.; Curved Radiator Hose
1973DodgeCharger5.6LV8Lowerw/o A.C., Std. Rad.; Curved Radiator Hose
1973DodgeDart5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1973DodgeDart5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeDart5.6LV8LowerCurved Radiator Hose
1973DodgeMonaco5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1973DodgeMonaco5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeMonaco5.9LV8LowerCurved Radiator Hose
1972ChryslerNewport5.9LV8LowerCurved Radiator Hose
1972DodgeChallenger5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1972DodgeChallenger5.2LV8Lowerw/o A.C., Early; Curved Radiator Hose
1972DodgeChallenger5.2LV8Lowerw/o A.C., Late; Curved Radiator Hose
1972DodgeChallenger5.6LV8LowerCurved Radiator Hose
1972DodgeCharger5.2LV8Lowerw/o A.C., Early; Curved Radiator Hose
1972DodgeCharger5.2LV8Lowerw/o A.C., Late; Curved Radiator Hose
1972DodgeCharger5.6LV8LowerCurved Radiator Hose
1972DodgeDart5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1972DodgeDart5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1972DodgeDart5.6LV8Lowerw/A.C., H.D. Cool; Curved Radiator Hose
1972DodgeDart5.6LV8Lowerw/o A.C., Std. Rad.; Curved Radiator Hose
1972DodgeMonaco5.2LV8Lowerw/o A.C., Early; Curved Radiator Hose
1972DodgeMonaco5.2LV8Lowerw/o A.C., Late; Curved Radiator Hose
1972DodgeMonaco5.9LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1972DodgeMonaco5.9LV8Lowerw/o A.C., Early; Curved Radiator Hose
1972DodgeMonaco5.9LV8Lowerw/o A.C., Late; Curved Radiator Hose
1971ChryslerNewport5.9LV8LowerCurved Radiator Hose
1971DodgeChallenger5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971DodgeChallenger5.2LV8Lowerw/o A.C., Early; Curved Radiator Hose
1971DodgeChallenger5.2LV8Lowerw/o A.C., Late; Curved Radiator Hose
1971DodgeChallenger5.6LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971DodgeChallenger5.6LV8Lowerw/o A.C., Early; Curved Radiator Hose
1971DodgeChallenger5.6LV8Lowerw/o A.C., Late; Curved Radiator Hose
1971DodgeCharger5.2LV8LowerLate model vehicles with or without air conditioning; Curved Radiator Hose
1971DodgeCharger5.2LV8Lowerw/o A.C., Early; Curved Radiator Hose
1971DodgeCharger5.9LV8LowerCurved Radiator Hose
1971DodgeDart5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971DodgeDart5.2LV8Lowerw/o A.C., Early; Curved Radiator Hose
1971DodgeDart5.2LV8Lowerw/o A.C., Late; Curved Radiator Hose
1971DodgeDart5.6LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971DodgeMonaco5.9LV8LowerLate model vehicles with or without air conditioning; Curved Radiator Hose
1971DodgeMonaco5.9LV8Lowerw/o A.C., Early; Curved Radiator Hose
1970DodgeChallenger5.2LV8LowerCurved Radiator Hose
1970DodgeChallenger5.6LV8LowerCurved Radiator Hose
1970DodgeCharger5.2LV8LowerLate model vehicles with or without air conditioning; Curved Radiator Hose
1970DodgeCharger5.2LV8Lowerw/o A.C., Early; Curved Radiator Hose
1970DodgeDart5.2LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1970DodgeDart5.2LV8LowerFits vehicles without air conditioning.; Curved Radiator Hose
1970DodgeDart5.6LV8LowerCurved 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:

22096M

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