HomeDayco 71831 Radiator Coolant Hose - Lower or Upper
Part #: 71831

Dayco 71831 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Upper
14 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: Suzuki, Dodge, and Plymouth, Vitara, Neon, and Sidekick
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 71831

The Dayco Curved Radiator Hose 71831 is designed for reliable coolant flow in select Dodge, Plymouth, and Suzuki vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and efficient heat resistance for models like the Dodge Neon and Suzuki Vitara.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Dual inside diameters: 1 1/4 inch and 1 3/8 inch for precise fitment
  • Black color for standard OEM appearance
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 8 1/4 inches to match specific routing requirements
  • Compatible with Dodge Neon, Plymouth Neon, Suzuki Sidekick, and Suzuki Vitara models

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on delivering hoses with precise bends and dual inside diameters to accommodate specific radiator and engine configurations. This product line is engineered to meet stringent SAE standards, ensuring durability and proper coolant flow in vehicles requiring specialized hose shapes. The 71831 part exemplifies this with its tailored dimensions and material composition.

Detailed Product Description

The Dayco 71831 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Its dual inside diameter design (1 1/4 inch on one end and 1 3/8 inch on the other) allows it to connect different sized fittings securely, reducing the risk of leaks. The hose does not include a heat shield or protective sleeve, which is typical for this application where the hose routing does not expose it to extreme external heat sources. The black color matches OEM specifications for a clean, factory look. This hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Dodge Neon and Plymouth Neon vehicles
  • Repair of coolant leaks caused by hose degradation in Suzuki Sidekick and Vitara models
  • Restoration of proper coolant flow to prevent engine overheating
  • Addressing hose fitment issues due to incorrect diameter or shape
  • Maintaining OEM coolant system integrity with a direct-fit replacement hose

Installation Notes and Tips

  • Ensure the engine is cool before removing the old radiator hose to avoid burns
  • Check hose clamps and replace if corroded or damaged during installation
  • Verify the correct orientation of the dual inside diameter ends for proper fit
  • Inspect surrounding components for wear or damage while replacing the hose
  • Test for leaks after installation by running the engine and monitoring coolant flow

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71831 to meet established SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support durability and fitment in compatible Dodge, Plymouth, and Suzuki vehicles.

BrandDayco
Part Number71831
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 1/4
End 2 Inside Diameter1 3/8
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height8 1/4

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003SuzukiVitaraUpperCurved Radiator Hose
1999DodgeNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1999PlymouthNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1998DodgeNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1998PlymouthNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1998SuzukiSidekick1.8LL4UpperCurved Radiator Hose
1997DodgeNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1997PlymouthNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1997SuzukiSidekick1.8LL4UpperCurved Radiator Hose
1996DodgeNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1996PlymouthNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1996SuzukiSidekick1.8LL4UpperCurved Radiator Hose
1995DodgeNeonLowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1995PlymouthNeonLowerCompatible with vehicles containing air conditioning.; Curved 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:

20440S

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