HomeDayco 71310 Radiator Coolant Hose - Lower
Part #: 71310

Dayco 71310 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
37 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, Lower
Fitment: Buick and Oldsmobile, Century, Cutlass Ciera, Cutlass Cruiser, LeSabre, Reatta, Riviera, and Toronado
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Durable Radiator Coolant Hose for Buick and Oldsmobile Models

The Dayco Curved Radiator Hose 71310 is engineered to provide reliable coolant flow for select Buick and Oldsmobile vehicles. Designed with quality EPDM material, this radiator coolant hose ensures consistent performance and durability under typical engine operating conditions.

  • Constructed from EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • 1 1/2 inch inside diameter on both ends for uniform coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type without heat shield or protective sleeve
  • Trunk height of 15 1/2 inches for proper routing

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 coolant systems requiring a curved design. This product line emphasizes precise dimensions and material standards to maintain engine cooling efficiency and durability. The 71310 part is a single inside diameter hose designed to fit specific Buick and Oldsmobile models, ensuring compatibility and reliable coolant circulation.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for automotive cooling systems. Both ends of the hose have a 1 1/2 inch inside diameter, facilitating consistent coolant flow without restriction. The hose does not include a heat shield or protective sleeve, which is typical for applications where additional protection is not required. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The trunk height of 15 1/2 inches allows for proper installation and routing within the engine bay.

Compatible Vehicles and Common Applications

  • Buick Century radiator coolant hose replacement
  • Oldsmobile Cutlass Ciera and Cutlass Cruiser cooling system maintenance
  • LeSabre, Reatta, Riviera, and Toronado radiator hose repair
  • Addressing coolant leaks or hose deterioration in Buick and Oldsmobile models
  • Replacing worn or cracked radiator hoses to maintain engine temperature regulation

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify that the hose diameter matches the radiator and engine fittings. Use appropriate clamps to secure the hose ends and check for leaks after installation. The curved design of the Dayco 71310 hose facilitates proper routing without kinks or stress points.

Quality Assurance and Warranty Information

Dayco manufactures this radiator coolant hose to meet industry SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to strict quality control standards to support reliable automotive cooling system operation.

BrandDayco
Part Number71310
PositionCurved Radiator Hose, Lower
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 1/2
End 2 Inside Diameter1 1/2
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 37 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993BuickRivieraLowerCurved Radiator Hose
1992BuickRivieraLowerCurved Radiator Hose
1992OldsmobileToronadoLowerCurved Radiator Hose
1991BuickCentury3.3LV6LowerCurved Radiator Hose
1991BuickReattaLowerCurved Radiator Hose
1991BuickRivieraLowerCurved Radiator Hose
1991OldsmobileCutlass Ciera3.3LV6LowerCurved Radiator Hose
1991OldsmobileCutlass Cruiser3.3LV6LowerCurved Radiator Hose
1991OldsmobileToronadoLowerCurved Radiator Hose
1990BuickCentury3.3LV6LowerCurved Radiator Hose
1990BuickReattaLowerCurved Radiator Hose
1990BuickRivieraLowerCurved Radiator Hose
1990OldsmobileCutlass Ciera3.3LV6LowerCurved Radiator Hose
1990OldsmobileCutlass Cruiser3.3LV6LowerCurved Radiator Hose
1990OldsmobileToronadoLowerCurved Radiator Hose
1989BuickCentury3.3LV6LowerCurved Radiator Hose
1989BuickReattaLowerCurved Radiator Hose
1989BuickRivieraLowerCurved Radiator Hose
1989OldsmobileCutlass Ciera3.3LV6LowerCurved Radiator Hose
1989OldsmobileCutlass Cruiser3.3LV6LowerCurved Radiator Hose
1989OldsmobileToronadoLowerCurved Radiator Hose
1988BuickCentury3.8LV6LowerCurved Radiator Hose
1988BuickLeSabre3.8LV6LowerCurved Radiator Hose
1988BuickReattaLowerCurved Radiator Hose
1988BuickRivieraLowerCurved Radiator Hose
1988OldsmobileCutlass Ciera3.8LV6LowerCurved Radiator Hose
1988OldsmobileCutlass Cruiser3.8LV6LowerCurved Radiator Hose
1988OldsmobileToronadoLowerCurved Radiator Hose
1987BuickCentury3.8LV6LowerCurved Radiator Hose
1987BuickRivieraLowerCurved Radiator Hose
1987OldsmobileCutlass Ciera3.8LV6LowerCurved Radiator Hose
1987OldsmobileCutlass Cruiser3.8LV6LowerCurved Radiator Hose
1987OldsmobileToronadoLowerCurved Radiator Hose
1986BuickCentury3.8LV6LowerCurved Radiator Hose
1986BuickRivieraLowerCurved Radiator Hose
1986OldsmobileCutlass Ciera3.8LV6LowerCurved Radiator Hose
1986OldsmobileToronadoLowerCurved 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:

22223M22266M

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