Homeβ€Ί Belts and Cooling > Hoses and Pipesβ€Ί Dayco 70783 Radiator Coolant Hose
Part #: 70783

Dayco 70783 Radiator Coolant Hose

Curved Radiator Hose, Upper, Lower, Upper - Pipe To Thermostat, and Upper - Radiator To Thermostat
βš™οΈ 122 vehicles fit this part
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πŸ“¦Curved Radiator Hose, Upper, Lower, Upper - Pipe To Thermostat, and Upper - Radiator To Thermostat
πŸš—Fitment: Chevrolet, Dodge, GMC, Hyundai, Mazda, Mitsubishi, Saab, Suzuki, and Toyota, 900, Celica, Colt, Cordia, Corolla, Corona, Cressida, Eclipse, Elantra, Esteem, Excel, Galant, Millenia, Precis, S10, S10 Blazer, S15, S15 Jimmy, Scoupe, Supra, Tercel, Tredia, and Van
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Overview of Dayco Curved Radiator Hose 70783

The Dayco Curved Radiator Hose 70783 is engineered to provide reliable coolant flow for a variety of vehicles including Chevrolet, Dodge, GMC, Hyundai, Mazda, Mitsubishi, Saab, Suzuki, and Toyota models. Designed with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Inside diameter of 1 5/16 inches on both ends for uniform coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type with a trunk height of 15 1/2 inches
  • Compatible with multiple vehicle makes and models including Chevrolet S10, Toyota Celica, and Mazda Millenia

Detailed Product Description

The Dayco Curved Radiator Hose 70783 is part of the Curved Radiator Hose product line, which focuses on delivering hoses with precise bends to accommodate specific engine layouts. This hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for radiator coolant applications. Both ends of the hose have an inside diameter of 1 5/16 inches, ensuring a consistent seal and flow rate. The hose does not include a heat shield or protective sleeve, which is typical for this type of single inside diameter hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems.

Compatible Vehicles and Applications

  • Chevrolet S10, S10 Blazer, S15, S15 Jimmy
  • Dodge Van
  • GMC S15, S15 Jimmy
  • Hyundai Elantra, Excel
  • Mazda Millenia, 900
  • Mitsubishi Eclipse, Precis, Tredia
  • Saab 900
  • Suzuki Esteem, Scoupe
  • Toyota Celica, Corolla, Corona, Cressida, Supra, Tercel, Cordia

Common Issues Addressed by This Radiator Coolant Hose

  • Replacement of cracked or leaking radiator hoses
  • Resolving coolant flow restrictions due to hose deformation
  • Preventing overheating caused by coolant leaks
  • Maintaining proper coolant system pressure and flow
  • Upgrading worn or aged hoses to meet OEM specifications

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Verify that the hose diameter and length match the original part. Use appropriate clamps to secure the hose ends and check for leaks after installation. Since this hose does not include a heat shield or protective sleeve, inspect surrounding components for potential abrasion points. Proper routing is essential to avoid kinks or excessive bending.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70783 to meet SAE specifications, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability.

BrandDayco
Part Number70783
PositionCurved Radiator Hose, Upper, Lower, Upper - Pipe To Thermostat, and Upper - Radiator To Thermostat
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 5/16
End 2 Inside Diameter1 5/16
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height15 1/2

This part fits 122 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersPositionNotes
2002MazdaMillenia2.3LV6LowerCurved Radiator Hose
2002SuzukiEsteemUpperCurved Radiator Hose
2001MazdaMillenia2.3LV6LowerCurved Radiator Hose
2001SuzukiEsteem1.8LL4UpperCurved Radiator Hose
2000MazdaMillenia2.3LV6LowerCurved Radiator Hose
2000SuzukiEsteem1.8LL4UpperCurved Radiator Hose
1999MazdaMillenia2.3LV6LowerCurved Radiator Hose
1999SuzukiEsteem1.8LL4UpperCurved Radiator Hose
1998MazdaMillenia2.3LV6LowerCurved Radiator Hose
1997MazdaMillenia2.3LV6LowerCurved Radiator Hose
1996MazdaMillenia2.3LV6LowerCurved Radiator Hose
1995HyundaiElantra1.8LL4LowerCurved Radiator Hose
1995MazdaMillenia2.3LV6LowerCurved Radiator Hose
1994HyundaiElantra1.8LL4LowerCurved Radiator Hose
1993HyundaiElantra1.8LL4LowerCurved Radiator Hose
1992HyundaiExcelLowerCurved Radiator Hose
1992HyundaiScoupeLowerCurved Radiator Hose
1992MitsubishiGalantLowerCurved Radiator Hose
1992MitsubishiPrecisLowerCurved Radiator Hose
1992ToyotaSupraLowerCurved Radiator Hose
1991DodgeColtManual2.0LL4LowerCurved Radiator Hose
1991HyundaiExcelLowerCurved Radiator Hose
1991HyundaiScoupeLowerCurved Radiator Hose
1991MitsubishiGalantLowerCurved Radiator Hose
1991MitsubishiPrecisLowerCurved Radiator Hose
1991ToyotaSupraLowerCurved Radiator Hose
1990DodgeColtManual2.0LL4LowerCurved Radiator Hose
1990HyundaiExcelLowerCurved Radiator Hose
1990MitsubishiEclipse1.8LL4LowerCurved Radiator Hose
1990MitsubishiEclipse2.0LL4LowerCurved Radiator Hose
1990MitsubishiGalantLowerCurved Radiator Hose
1990MitsubishiPrecisLowerCurved Radiator Hose
1990ToyotaSupraLowerCurved Radiator Hose
1989DodgeColtManual1.5LL4LowerCurved Radiator Hose
1989DodgeColtManual2.0LL4LowerCurved Radiator Hose
1989MitsubishiGalantLowerCurved Radiator Hose
1989ToyotaSupraLowerCurved Radiator Hose
1989ToyotaVanUpperCurved Radiator Hose
1988DodgeColtManual1.5LL4LowerCurved Radiator Hose
1988DodgeColtManual2.0LL4LowerCurved Radiator Hose
1988MitsubishiCordia2.0LL4LowerCurved Radiator Hose
1988MitsubishiCordia1.8LL4LowerCurved Radiator Hose
1988MitsubishiTredia2.0LL4LowerCurved Radiator Hose
1988MitsubishiTredia1.8LL4LowerCurved Radiator Hose
1988Saab900Upper - Pipe To ThermostatCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1988ToyotaCressidaLowerCurved Radiator Hose
1988ToyotaSupraLowerCurved Radiator Hose
1988ToyotaVanUpperCurved Radiator Hose
1987DodgeColtManual2.0LL4LowerCurved Radiator Hose
1987MitsubishiCordia2.0LL4LowerCurved Radiator Hose
1987MitsubishiCordia1.8LL4LowerCurved Radiator Hose
1987MitsubishiTredia2.0LL4LowerCurved Radiator Hose
1987MitsubishiTredia1.8LL4LowerCurved Radiator Hose
1987Saab900Upper - Pipe To ThermostatCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1987ToyotaCressidaLowerCurved Radiator Hose
1987ToyotaSupraLowerCurved Radiator Hose
1987ToyotaVanUpperCurved Radiator Hose
1986DodgeColt4WD2.0LL4LowerCurved Radiator Hose
1986MitsubishiCordia2.0LL4LowerCurved Radiator Hose
1986MitsubishiCordia1.8LL4LowerCurved Radiator Hose
1986MitsubishiTredia2.0LL4LowerCurved Radiator Hose
1986MitsubishiTredia1.8LL4LowerCurved Radiator Hose
1986Saab900UpperCurved Radiator Hose
1986ToyotaCorollaLowerCurved Radiator Hose
1986ToyotaCressidaLowerCurved Radiator Hose
1986ToyotaVanUpperCurved Radiator Hose
1985DodgeColt4WD2.0LL4LowerCurved Radiator Hose
1985MitsubishiCordia2.0LL4LowerCurved Radiator Hose
1985MitsubishiCordia1.8LL4LowerCurved Radiator Hose
1985MitsubishiTredia2.0LL4LowerCurved Radiator Hose
1985MitsubishiTredia1.8LL4LowerCurved Radiator Hose
1985Saab900Upper - Radiator To ThermostatFits vehicles without air conditioning.; Curved Radiator Hose
1985ToyotaCorolla1.6LL4LowerCurved Radiator Hose
1985ToyotaCressidaLowerCurved Radiator Hose
1985ToyotaVanUpperCurved Radiator Hose
1984ChevroletS102.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1984ChevroletS102.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1984ChevroletS10 Blazer2.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1984ChevroletS10 Blazer2.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1984GMCS152.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1984GMCS152.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1984GMCS15 Jimmy2.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1984GMCS15 Jimmy2.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1984MitsubishiCordia2.0LL4LowerCurved Radiator Hose
1984MitsubishiCordia1.8LL4LowerCurved Radiator Hose
1984MitsubishiTredia2.0LL4LowerCurved Radiator Hose
1984MitsubishiTredia1.8LL4LowerCurved Radiator Hose
1984Saab900Upper - Pipe To ThermostatCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1984Saab900Upper - Radiator To ThermostatFits vehicles without air conditioning.; Curved Radiator Hose
1984ToyotaVanUpperCurved Radiator Hose
1983ChevroletS102.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1983ChevroletS102.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1983ChevroletS10 Blazer2.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1983ChevroletS10 Blazer2.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1983GMCS152.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1983GMCS152.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1983GMCS15 Jimmy2.0LL4UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1983GMCS15 Jimmy2.0LL4UpperFits vehicles without air conditioning.; Curved Radiator Hose
1983MitsubishiCordiaLowerCurved Radiator Hose
1983MitsubishiTrediaLowerCurved Radiator Hose
1983Saab900Upper - Pipe To ThermostatCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1983Saab900Upper - Radiator To ThermostatFits vehicles without air conditioning.; Curved Radiator Hose
1982Saab900Upper - Pipe To ThermostatCurved Radiator Hose
1982Saab900UpperFits vehicles without air conditioning.; Curved Radiator Hose
1982Saab900Upper - Pipe To ThermostatCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1982Saab900Upper - Radiator To ThermostatFits vehicles without air conditioning.; Curved Radiator Hose
1982ToyotaCressidaLowerCurved Radiator Hose
1982ToyotaTercelLowerw/A.P.; Curved Radiator Hose
1982ToyotaTercelLowerw/o A.P.; Curved Radiator Hose
1981Saab900Upper - Pipe To ThermostatCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1981Saab900Upper - Radiator To ThermostatFits vehicles without air conditioning.; Curved Radiator Hose
1981ToyotaCelica2.8LL6LowerCurved Radiator Hose
1981ToyotaCressidaLowerCurved Radiator Hose
1981ToyotaTercelLowerw/A.P.; Curved Radiator Hose
1981ToyotaTercelLowerw/o A.P.; Curved Radiator Hose
1980ToyotaCelica2.6LL6LowerCurved Radiator Hose
1980ToyotaCressidaLowerCurved Radiator Hose
1979ToyotaCelica2.6LL6LowerCurved Radiator Hose
1979ToyotaCressidaLowerCurved Radiator Hose
1978ToyotaCressidaLowerCurved Radiator Hose
1973ToyotaCorona2.6LL6LowerCurved Radiator Hose
1972ToyotaCorona2.3LL6LowerCurved 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:

2181322120M22429M24298L

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