HomeBelts and Cooling > Hoses and PipesDayco 71906 Radiator Coolant Hose - Lower
Part #: 71906

Dayco 71906 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
22 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: Chevrolet and GMC, Astro and Safari
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Curved Radiator Hose 71906

The Dayco Curved Radiator Hose 71906 is designed specifically for Chevrolet Astro and GMC Safari vehicles. This radiator coolant hose features a dual inside diameter design and is constructed from durable EPDM material, ensuring reliable performance in cooling system applications.

  • Material: EPDM for heat and chemical resistance
  • Color: Black
  • End 1 Inside Diameter: 1 1/2 inches
  • End 2 Inside Diameter: 1 3/4 inches
  • Contains Protective Sleeve for added durability
  • Hose Type: Dual I.D. hose
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk Height: 18 inches

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is engineered to provide precise fitment and reliable coolant flow for specific vehicle applications. This product line focuses on hoses with curved designs that accommodate unique engine bay layouts, such as those found in Chevrolet Astro and GMC Safari models. The inclusion of a protective sleeve enhances hose longevity by guarding against abrasion and external damage.

Product Description and Features

The Dayco 71906 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Its dual inside diameter design (1 1/2 inch on one end and 1 3/4 inch on the other) allows for a secure connection between different sized fittings in the cooling system. The black hose includes a protective sleeve to reduce wear from contact with engine components. 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

  • Replacement radiator coolant hose for Chevrolet Astro models
  • Replacement radiator coolant hose for GMC Safari models
  • 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 71906, ensure the hose is routed without kinks or sharp bends to maintain proper coolant flow. Verify that the hose ends match the radiator and engine fittings by checking the inside diameters (1 1/2 inch and 1 3/4 inch). Use appropriate clamps to secure the hose and inspect for leaks after installation. The protective sleeve should be positioned to cover areas prone to abrasion.

Quality Assurance and Warranty

Dayco manufactures the 71906 radiator hose to meet SAE specifications, providing assurance of material quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive cooling systems.

BrandDayco
Part Number71906
PositionCurved Radiator Hose, Lower
ColorBlack
Contains Protective SleeveY
End 1 Inside Diameter1 1/2
End 2 Inside Diameter1 3/4
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height18

This part fits 22 vehicles. Search below:

YearMakeModelPositionNotes
2005ChevroletAstroLowerCurved Radiator Hose
2005GMCSafariLowerCurved Radiator Hose
2004ChevroletAstroLowerCurved Radiator Hose
2004GMCSafariLowerCurved Radiator Hose
2003ChevroletAstroLowerCurved Radiator Hose
2003GMCSafariLowerCurved Radiator Hose
2002ChevroletAstroLowerCurved Radiator Hose
2002GMCSafariLowerCurved Radiator Hose
2001ChevroletAstroLowerCurved Radiator Hose
2001GMCSafariLowerCurved Radiator Hose
2000ChevroletAstroLowerCurved Radiator Hose
2000GMCSafariLowerCurved Radiator Hose
1999ChevroletAstroLowerCurved Radiator Hose
1999GMCSafariLowerCurved Radiator Hose
1998ChevroletAstroLowerCurved Radiator Hose
1998GMCSafariLowerCurved Radiator Hose
1997ChevroletAstroLowerCurved Radiator Hose
1997GMCSafariLowerCurved Radiator Hose
1996ChevroletAstroLowerCurved Radiator Hose
1996GMCSafariLowerCurved Radiator Hose
1995ChevroletAstroLowerCurved Radiator Hose
1995GMCSafariLowerCurved 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:

22349M24342L

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