HomeBelts and Cooling > Hoses and PipesDayco 72039 Radiator Coolant Hose - Lower or Upper
Part #: 72039

Dayco 72039 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Upper
⚙️ 41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Upper
🚗Fitment: Nissan, Buick, Chevrolet, Pontiac, and Saturn, Juke, Terraza, Uplander, Montana, Relay, Century, Impala, Monte Carlo, and Grand Prix
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Overview of Dayco Curved Radiator Hose 72039

The Dayco Curved Radiator Hose 72039 is designed to provide reliable coolant flow for various Buick, Chevrolet, Nissan, Pontiac, and Saturn models. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Both ends have a 1 1/4 inch inside diameter for uniform coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type without heat shield or protective sleeve
  • Trunk height of 14 inches suitable for specific vehicle applications

Detailed Product Description

The Dayco Curved Radiator Hose 72039 is part of the Curved Radiator Hose product line, which focuses on delivering hoses with precise bends and dimensions to match OEM specifications. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for radiator coolant systems. The hose features a consistent 1 1/4 inch inside diameter on both ends, ensuring smooth coolant circulation without restriction. It does not include a heat shield or protective sleeve, which is typical for applications where additional protection is not required. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with a range of vehicles, including Buick Century, Chevrolet Impala, Monte Carlo, Pontiac Grand Prix, Saturn Relay, and Nissan Juke, Montana, Terraza, and Uplander models. The part number 72039 is specifically designed to meet the cooling system requirements of these vehicles, ensuring proper fit and function.

  • Replaces worn or cracked radiator hoses causing coolant leaks
  • Addresses overheating issues due to restricted coolant flow
  • Prevents coolant contamination from hose material degradation
  • Restores proper coolant circulation in Buick Century and Chevrolet Impala
  • Ensures reliable cooling system performance in Nissan Juke and Pontiac Grand Prix

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72039, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose routing matches the original configuration to prevent kinks or stress points. Use appropriate clamps to secure both ends firmly, and inspect adjacent components for wear or damage during installation. Proper installation will maintain the integrity of the cooling system and prevent leaks.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72039 to meet industry standards, including SAE J20R4 and SAE J1684 specifications. The use of EPDM material ensures durability and resistance to common coolant system stresses. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to ensure reliable performance in compatible Buick, Chevrolet, Nissan, Pontiac, and Saturn vehicles.

BrandDayco
Part Number72039
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 41 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2017NissanJukeNismo RSUpperCurved Radiator Hose
2016NissanJukeNismo RSUpperCurved Radiator Hose
2015NissanJukeNismo RSUpperCurved Radiator Hose
2014NissanJukeUpperCurved Radiator Hose
2013NissanJukeUpperCurved Radiator Hose
2012NissanJukeUpperCurved Radiator Hose
2011NissanJukeUpperCurved Radiator Hose
2006BuickTerraza3.5LV6LowerCurved Radiator Hose
2006ChevroletUplander3.5LV6LowerCurved Radiator Hose
2006PontiacMontana3.5LV6LowerCurved Radiator Hose
2006SaturnRelay3.5LV6LowerCurved Radiator Hose
2005BuickCenturyLowerCurved Radiator Hose
2005BuickTerrazaLowerCurved Radiator Hose
2005ChevroletImpala3.4LV6LowerCurved Radiator Hose
2005ChevroletMonte Carlo3.4LV6LowerCurved Radiator Hose
2005ChevroletUplanderLowerCurved Radiator Hose
2005PontiacMontana3.5LV6LowerCurved Radiator Hose
2005SaturnRelayLowerCurved Radiator Hose
2004BuickCenturyLowerCurved Radiator Hose
2004ChevroletImpala3.4LV6LowerCurved Radiator Hose
2004ChevroletMonte Carlo3.4LV6LowerCurved Radiator Hose
2003BuickCenturyLowerCurved Radiator Hose
2003ChevroletImpala3.4LV6LowerCurved Radiator Hose
2003ChevroletMonte Carlo3.4LV6LowerCurved Radiator Hose
2003PontiacGrand Prix3.1LV6LowerCurved Radiator Hose
2002BuickCenturyLowerCurved Radiator Hose
2002ChevroletImpala3.4LV6LowerCurved Radiator Hose
2002ChevroletMonte Carlo3.4LV6LowerCurved Radiator Hose
2002PontiacGrand Prix3.1LV6LowerCurved Radiator Hose
2001BuickCenturyLowerCurved Radiator Hose
2001ChevroletImpala3.4LV6LowerCurved Radiator Hose
2001ChevroletMonte Carlo3.4LV6LowerCurved Radiator Hose
2001PontiacGrand Prix3.1LV6LowerCurved Radiator Hose
2000BuickCenturyLowerCurved Radiator Hose
2000ChevroletImpala3.4LV6LowerCurved Radiator Hose
2000ChevroletMonte Carlo3.4LV6LowerCurved Radiator Hose
2000PontiacGrand Prix3.1LV6LowerCurved Radiator Hose
1999BuickCenturyLowerCurved Radiator Hose
1999PontiacGrand Prix3.1LV6LowerCurved Radiator Hose
1998BuickCenturyLowerCurved Radiator Hose
1998PontiacGrand Prix3.1LV6LowerCurved 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:

22481M22557M24377L

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