HomeBelts and Cooling > Hoses and PipesDayco 71519 Radiator Coolant Hose - Upper
Part #: 71519

Dayco 71519 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
28 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
Fitment: Buick, Oldsmobile, Pontiac, and Chevrolet, LeSabre, Park Avenue, Riviera, 88, 98, Bonneville, Lumina APV, Silhouette, and Trans Sport
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Overview of Dayco Curved Radiator Hose 71519

The Dayco Curved Radiator Hose 71519 is designed to provide reliable coolant flow for select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a single inside diameter of 1 1/4 inches on both ends
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Curved design tailored for specific vehicle fitment
  • Trunk height of 14 inches for precise installation

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on delivering hoses with precise bends and dimensions to match factory specifications. This ensures proper coolant routing and fitment without the need for modifications. The 71519 part number is part of this line, offering a single inside diameter hose designed to maintain optimal coolant flow and engine temperature control.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/4 inches, making it suitable for applications requiring consistent hose diameter. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Compatible Vehicles and Applications

  • Buick 88 and 98 models
  • Chevrolet Lumina APV and Silhouette
  • Oldsmobile Aurora and Riviera
  • Pontiac Bonneville, LeSabre, Park Avenue, and Trans Sport

This hose is intended for use in radiator coolant systems where a curved hose with these dimensions and specifications is required.

Common Issues Addressed by This Radiator Hose

  • Replacement of cracked or leaking radiator hoses
  • Restoring proper coolant flow in overheating engines
  • Eliminating coolant leaks caused by hose deterioration
  • Maintaining factory coolant system routing and fitment
  • Preventing coolant contamination from hose material breakdown

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify the hose diameter and length match the original part. Use appropriate clamps to secure the hose ends and check for leaks after installation. The curved design of the Dayco 71519 hose allows for direct replacement without modification in compatible Buick, Chevrolet, Oldsmobile, and Pontiac models.

Quality Assurance and Warranty

Dayco manufactures this radiator hose to meet 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 a hose that meets SAE J20R4 Class D-1 and SAE J1684 Type EC ensures compliance with automotive coolant hose requirements.

BrandDayco
Part Number71519
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 1/4
End 2 Inside Diameter1 1/4
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height14

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995BuickLeSabreUpperCurved Radiator Hose
1995BuickPark AvenueUpperCurved Radiator Hose
1995BuickRivieraUpperCurved Radiator Hose
1995Oldsmobile88UpperCurved Radiator Hose
1995Oldsmobile98UpperCurved Radiator Hose
1994BuickLeSabreUpperCurved Radiator Hose
1994BuickPark AvenueUpperCurved Radiator Hose
1994Oldsmobile88UpperCurved Radiator Hose
1994Oldsmobile98UpperCurved Radiator Hose
1994PontiacBonnevilleUpperCurved Radiator Hose
1993BuickLeSabreUpperCurved Radiator Hose
1993BuickPark AvenueUpperCurved Radiator Hose
1993ChevroletLumina APV3.8LV6UpperCurved Radiator Hose
1993Oldsmobile88UpperCurved Radiator Hose
1993Oldsmobile98UpperCurved Radiator Hose
1993OldsmobileSilhouette3.8LV6UpperCurved Radiator Hose
1993PontiacBonnevilleUpperCurved Radiator Hose
1993PontiacTrans Sport3.8LV6UpperCurved Radiator Hose
1992BuickLeSabreUpperCurved Radiator Hose
1992BuickPark AvenueUpperCurved Radiator Hose
1992ChevroletLumina APV3.8LV6UpperCurved Radiator Hose
1992Oldsmobile88UpperCurved Radiator Hose
1992Oldsmobile98UpperCurved Radiator Hose
1992OldsmobileSilhouette3.8LV6UpperCurved Radiator Hose
1992PontiacBonnevilleUpperCurved Radiator Hose
1992PontiacTrans Sport3.8LV6UpperCurved Radiator Hose
1991BuickPark AvenueUpperCurved Radiator Hose
1991Oldsmobile98UpperCurved 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:

22267M22606M

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