HomeBelts and Cooling > Hoses and PipesDayco 72986 Radiator Coolant Hose - Upper
Part #: 72986

Dayco 72986 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
6 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: Mazda, CX-7
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 72986

The Dayco Curved Radiator Hose 72986 is designed specifically for Mazda CX-7 models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures long-lasting performance under demanding conditions.

  • Made from high-quality EPDM rubber for heat and chemical resistance
  • Black dual inside diameter hose with 1 3/16 inch and 1 1/4 inch ends
  • Includes a protective sleeve for added durability
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 17 1/2 inches for precise fitment

Detailed Product Description

The Dayco Curved Radiator Hose line is engineered to meet the specific cooling system requirements of various vehicles, including the Mazda CX-7. This particular hose, part number 72986, features a dual inside diameter design with end diameters of 1 3/16 inches and 1 1/4 inches, allowing for a secure and leak-resistant connection. The hose is constructed from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, which helps maintain integrity over time. Additionally, the hose includes a protective sleeve to guard against abrasion and external damage, although it does not contain a heat shield. The black color and curved design facilitate easy installation and compatibility with the Mazda CX-7 cooling system.

Applications and Problem Solving

  • Replaces worn or cracked radiator coolant hoses in Mazda CX-7 vehicles
  • Prevents coolant leaks that can lead to engine overheating
  • Addresses hose swelling or softening caused by heat exposure
  • Restores proper coolant flow for efficient engine temperature control
  • Eliminates issues related to hose abrasion or external damage

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72986, ensure the hose ends match the specified inside diameters of 1 3/16 inches and 1 1/4 inches for a proper fit. The protective sleeve should be positioned to cover areas prone to abrasion. Avoid twisting the hose during installation to maintain the integrity of the curved design. It is recommended to inspect adjacent cooling system components for wear or damage during replacement.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72986 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry cooling hose specifications. The use of EPDM material and protective sleeve enhances durability and resistance to environmental factors. Warranty information is provided by Dayco and should be verified with the supplier or manufacturer for specific terms.

BrandDayco
Part Number72986
PositionCurved Radiator Hose, Upper
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 3/16
End 2 Inside Diameter1 1/4
Contains Heat ShieldN
Contains Protective SleeveY
End 1 Outside Diameter1 9/16
End 2 Outside Diameter1 5/8
Hose TypeDual i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height17 1/2

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012MazdaCX-72.3LL4UpperCurved Radiator Hose
2011MazdaCX-72.3LL4UpperCurved Radiator Hose
2010MazdaCX-72.3LL4UpperCurved Radiator Hose
2009MazdaCX-7UpperCurved Radiator Hose
2008MazdaCX-7UpperCurved Radiator Hose
2007MazdaCX-7UpperCurved Radiator Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.