HomeBelts and Cooling > Hoses and PipesDayco 71922 Radiator Coolant Hose - Upper
Part #: 71922

Dayco 71922 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
12 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: Lexus, LS430 and LS400
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 71922

The Dayco Curved Radiator Hose 71922 is designed specifically for Lexus LS400 and LS430 models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance and longevity in your vehicle's cooling system.

  • Material: EPDM for heat and chemical resistance
  • Color: Black
  • End 1 and End 2 Inside Diameter: 1 15/32 inches
  • Contains protective sleeve for added durability
  • Hose Type: Single inside diameter hose
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk Height: 13 1/2 inches

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line is engineered to maintain optimal coolant flow and resist degradation from heat and chemicals. The 71922 part is a single inside diameter hose featuring a protective sleeve, enhancing its durability in demanding engine environments.

Product Description and Attributes

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 15/32 inches, ensuring a secure fit on compatible radiator connections. The black hose includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling applications. The hose’s trunk height measures 13 1/2 inches, matching the required dimensions for Lexus LS400 and LS430 models.

Compatible Vehicles and Common Applications

  • Replacement radiator coolant hose for Lexus LS400
  • Replacement radiator coolant hose for Lexus LS430
  • Addresses coolant leaks caused by cracked or worn hoses
  • Prevents overheating due to compromised coolant flow
  • Resolves hose swelling or softening from heat exposure

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71922, ensure the hose is properly seated on radiator and engine fittings with secure clamps. Inspect surrounding components for wear or damage during replacement. The protective sleeve should be positioned to minimize abrasion from adjacent parts. It is recommended to drain coolant before removal and refill with the appropriate coolant after installation. Verify no leaks after installation by running the engine to operating temperature.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71922 to meet strict SAE specifications, ensuring consistent quality and performance. The EPDM material and protective sleeve contribute to the hose’s durability under typical operating conditions. Warranty details should be confirmed with the point of purchase or manufacturer, as coverage may vary.

BrandDayco
Part Number71922
PositionCurved Radiator Hose, Upper
ColorBlack
Contains Protective SleeveY
End 1 Inside Diameter1 15/32
End 2 Inside Diameter1 15/32
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height13 1/2

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
2006LexusLS430UpperCurved Radiator Hose
2005LexusLS430UpperCurved Radiator Hose
2004LexusLS430UpperCurved Radiator Hose
2003LexusLS430UpperCurved Radiator Hose
2002LexusLS430UpperCurved Radiator Hose
2001LexusLS430UpperCurved Radiator Hose
2000LexusLS400UpperCurved Radiator Hose
1999LexusLS400UpperCurved Radiator Hose
1998LexusLS400UpperCurved Radiator Hose
1997LexusLS400UpperCurved Radiator Hose
1996LexusLS400UpperCurved Radiator Hose
1995LexusLS400UpperCurved 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:

22437M

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