HomeBelts and Cooling > Hoses and PipesDayco 71691 Radiator Coolant Hose - Lower or Upper
Part #: 71691

Dayco 71691 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Upper
15 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: Isuzu, Honda, Buick, and Oldsmobile, Oasis, Odyssey, Century, Cutlass Ciera, and Cutlass Cruiser
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Overview of Dayco Curved Radiator Hose 71691

The Dayco Curved Radiator Hose 71691 is designed to provide reliable coolant flow for select Buick, Honda, Isuzu, and Oldsmobile vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black single inside diameter hose with 1 9/32 inch ends
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Curved design suitable for specific radiator coolant routing
  • Compatible with Buick Century, Honda Odyssey, Isuzu Oasis, Oldsmobile Cutlass Ciera, and Cutlass Cruiser

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on providing hoses with precise bends to accommodate specific engine layouts and coolant system designs. This product line emphasizes durability and compliance with SAE standards, ensuring that hoses like the 71691 maintain coolant flow integrity without the need for additional heat shields or protective sleeves.

Technical Description and Specifications

The Dayco 71691 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 9/32 inches, making it a single inside diameter hose designed for straightforward installation. The hose does not include a heat shield or protective sleeve, which is typical for applications where additional protection is not required. With a trunk height of 10 inches, this hose fits specific radiator configurations in the listed vehicle models. 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 Common Applications

  • Buick Century radiator coolant system maintenance
  • Honda Odyssey cooling system hose replacement
  • Isuzu Oasis radiator hose repair or upgrade
  • Oldsmobile Cutlass Ciera and Cutlass Cruiser coolant hose replacement
  • Addressing coolant leaks or hose deterioration in compatible models

Installation Notes and Tips

  • Ensure the engine is cool before removing the old radiator hose
  • Check hose clamps and replace if worn to prevent leaks
  • Verify the hose routing matches the original to avoid kinks or stress
  • Use proper tools to avoid damaging hose ends during installation
  • Inspect the cooling system for other worn components during replacement

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71691 to meet strict SAE specifications, ensuring durability and performance under normal operating conditions. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Users should consult vehicle manufacturer guidelines and Dayco documentation for warranty coverage and installation recommendations.

BrandDayco
Part Number71691
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 9/32
End 2 Inside Diameter1 9/32
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height10

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999IsuzuOasisUpperCurved Radiator Hose
1998HondaOdysseyUpperCurved Radiator Hose
1998IsuzuOasisUpperCurved Radiator Hose
1997HondaOdysseyUpperCurved Radiator Hose
1997IsuzuOasisUpperCurved Radiator Hose
1996BuickCentury3.1LV6LowerCurved Radiator Hose
1996HondaOdysseyUpperCurved Radiator Hose
1996IsuzuOasisUpperCurved Radiator Hose
1996OldsmobileCutlass Ciera3.1LV6LowerCurved Radiator Hose
1995BuickCentury3.1LV6LowerCurved Radiator Hose
1995HondaOdysseyUpperCurved Radiator Hose
1995OldsmobileCutlass Ciera3.1LV6LowerCurved Radiator Hose
1994BuickCentury3.1LV6LowerCurved Radiator Hose
1994OldsmobileCutlass Ciera3.1LV6LowerCurved Radiator Hose
1994OldsmobileCutlass CruiserLowerCurved 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:

22307M22311M

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