HomeBelts and Cooling > Hoses and PipesDayco 71217 Radiator Coolant Hose - Lower or Upper - Radiator To Pipe
Part #: 71217

Dayco 71217 Radiator Coolant Hose - Lower or Upper - Radiator To Pipe

Curved Radiator Hose, Upper - Radiator To Pipe and Lower
41 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Upper - Radiator To Pipe and Lower
Fitment: Buick, Cadillac, and Oldsmobile, Eldorado, Riviera, Seville, and Toronado
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Durable Radiator Coolant Hose for Buick, Cadillac, and Oldsmobile

The Dayco Curved Radiator Hose 71217 is engineered to provide reliable coolant flow for select Buick, Cadillac, and Oldsmobile models. Designed with precision to meet specific vehicle requirements, this radiator coolant hose ensures proper fit and function in Eldorado, Riviera, Seville, and Toronado vehicles.

  • Constructed from EPDM material for heat and chemical resistance
  • Dual inside diameter design with 1 9/16 inch and 1 13/16 inch ends
  • Black color for standard OEM appearance
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 14 1/2 inches for accurate fitment

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that match the original equipment specifications for curvature and dimensions. This ensures optimal coolant flow and fitment in vehicles requiring non-linear hose routing. The 71217 part is a dual inside diameter hose designed to accommodate different connection sizes at each end, supporting proper installation in complex cooling systems.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its durability against heat, ozone, and coolant chemicals. The dual inside diameter ends measure 1 9/16 inches and 1 13/16 inches respectively, allowing it to connect different sized fittings securely. The hose is black in color and does not include a heat shield or protective sleeve. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The trunk height of 14 1/2 inches is designed to fit the routing path in compatible vehicles.

Compatible Vehicles and Common Applications

  • Replacement radiator coolant hose for Buick Eldorado models
  • Suitable for Cadillac Riviera and Seville cooling systems
  • Fits Oldsmobile Toronado radiator hose connections
  • Addresses coolant leaks due to hose wear or cracking
  • Resolves overheating issues caused by compromised coolant flow

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify the hose ends match the vehicle’s radiator and engine fittings by checking the inside diameters. Use appropriate clamps to secure the hose ends and inspect for any signs of wear or damage on adjacent components during installation. Proper routing is essential to avoid kinks or interference with moving parts.

Quality Assurance and Warranty

Dayco manufactures this Curved Radiator Hose 71217 to meet strict SAE specifications, providing confidence in material quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive cooling systems.

BrandDayco
Part Number71217
PositionCurved Radiator Hose, Upper - Radiator To Pipe and Lower
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 9/16
End 2 Inside Diameter1 13/16
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeDual i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height14 1/2

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1985BuickRiviera5.0LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1985BuickRiviera5.7LV8LowerCurved Radiator Hose
1985CadillacEldorado5.7LV8LowerCurved Radiator Hose
1985CadillacSeville5.7LV8LowerCurved Radiator Hose
1985OldsmobileToronado5.0LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1985OldsmobileToronado5.7LV8LowerCurved Radiator Hose
1984BuickRiviera5.0LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1984BuickRiviera5.7LV8LowerCurved Radiator Hose
1984CadillacEldorado5.7LV8LowerCurved Radiator Hose
1984CadillacSeville5.7LV8LowerCurved Radiator Hose
1984OldsmobileToronado5.0LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1984OldsmobileToronado5.7LV8LowerCurved Radiator Hose
1983BuickRiviera5.0LV8LowerCurved Radiator Hose
1983BuickRiviera5.7LV8LowerCurved Radiator Hose
1983CadillacEldorado5.7LV8LowerCurved Radiator Hose
1983CadillacSeville5.7LV8LowerCurved Radiator Hose
1983OldsmobileToronado5.0LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1983OldsmobileToronado5.7LV8LowerCurved Radiator Hose
1982BuickRiviera5.0LV8LowerCurved Radiator Hose
1982BuickRiviera5.7LV8LowerCurved Radiator Hose
1982CadillacEldorado5.7LV8LowerCurved Radiator Hose
1982CadillacSeville5.7LV8LowerCurved Radiator Hose
1982OldsmobileToronado5.0LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1982OldsmobileToronado5.7LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1981BuickRiviera5.0LV8LowerCurved Radiator Hose
1981BuickRiviera5.7LV8LowerCurved Radiator Hose
1981CadillacEldorado5.7LV8LowerCurved Radiator Hose
1981CadillacSeville5.7LV8LowerCurved Radiator Hose
1981OldsmobileToronado5.0LV8LowerCurved Radiator Hose
1981OldsmobileToronado5.7LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980BuickRiviera5.7LV8LowerCurved Radiator Hose
1980BuickRiviera5.0LV8LowerCurved Radiator Hose
1980BuickRiviera5.7LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980CadillacEldorado5.7LV8LowerCurved Radiator Hose
1980CadillacSeville5.7LV8LowerCurved Radiator Hose
1980OldsmobileToronado5.7LV8LowerCurved Radiator Hose
1980OldsmobileToronado5.0LV8LowerCurved Radiator Hose
1980OldsmobileToronado5.7LV8LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979BuickRiviera5.7LV8LowerCurved Radiator Hose
1979CadillacEldorado5.7LV8LowerCurved Radiator Hose
1979OldsmobileToronado5.7LV8LowerCurved 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:

22129M

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