Dayco
Curved Radiator Hose

Dayco 72012 Radiator Coolant Hose - Upper

Brand Dayco 72012
Position Upper
Color Black
End 1 Inside Diameter 1 11/32
End 2 Inside Diameter 1 11/32
Hose Type Single I.D. Hose
Material EPDM
SAE Specification SAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height 10
Product line Curved Radiator Hose
Fits Mitsubishi · 14 vehicles

Curved hose design. Helps route coolant smoothly through the cooling system.

EPDM construction. Resists heat and coolant exposure for dependable service.

Single I.D. hose. Provides a consistent inside diameter for a secure fit.

Cross-references Duralast C72012, Mitsubishi MR239632 and Mitsubishi MR404371 for the same application. See all 3.

$23.48Free shipping
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Curved Upper Radiator Hose for Mitsubishi Cooling Systems

Dayco 72012 is a curved radiator coolant hose built from EPDM for upper cooling-system routing. It matches the original-style hose shape and 1 11/32-inch inside diameter at both ends for a direct replacement on select Mitsubishi applications.

Key Features

  • EPDM construction for coolant-hose service
  • Black finish
  • Single I.D. hose design
  • 1 11/32-inch inside diameter at both ends
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Curved radiator hose profile for upper hose routing

Product Details

This Dayco Curved Radiator Hose line focuses on replacement hoses shaped to follow factory routing and maintain proper coolant flow. Part number 72012 is a curved upper radiator hose for Mitsubishi Montero Sport and Mitsubishi Montero applications, with EPDM material selected for cooling-system use and a single inside-diameter hose layout. This part cross-references Mitsubishi (e.g., MR239632, MR404371) for the same application. If you are searching for a Mitsubishi Montero Sport upper radiator hose or a Mitsubishi Montero upper coolant hose, Dayco 72012 is the direct-fit option to compare against the OE reference.

Vehicle Fitment

  • Fits 1997-2004 Mitsubishi Montero Sport, Upper, Curved Radiator Hose
  • Fits 1996 Mitsubishi Montero, Upper, Curved Radiator Hose

Common Replacement Uses

  • Cracked or split upper radiator hose
  • Coolant seepage at the hose body
  • Softening, swelling, or hose collapse from age and heat
  • Incorrect hose shape after prior repair work
  • Loss of proper coolant circulation through the upper hose path

Installation Notes

Verify the hose routing, end diameters, and upper-position fitment before installation. Inspect the mating necks, clamps, and surrounding cooling-system components for wear or corrosion, and replace any damaged clamps as needed. Confirm the hose follows the factory curve without twisting so the cooling system seals correctly.

Quality Assurance

Dayco 72012 is built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for radiator coolant hose service. The EPDM construction and OE-style curved profile support consistent fitment on the listed Mitsubishi Montero Sport and Montero applications.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004MitsubishiMontero Sport——UpperCurved Radiator Hose
2003MitsubishiMontero Sport3.0LV6UpperCurved Radiator Hose
2003MitsubishiMontero Sport3.5LV6UpperCurved Radiator Hose
2002MitsubishiMontero Sport3.0LV6UpperCurved Radiator Hose
2002MitsubishiMontero Sport3.5LV6UpperCurved Radiator Hose
2001MitsubishiMontero Sport3.0LV6UpperCurved Radiator Hose
2001MitsubishiMontero Sport3.5LV6UpperCurved Radiator Hose
2000MitsubishiMontero Sport3.0LV6UpperCurved Radiator Hose
2000MitsubishiMontero Sport3.5LV6UpperCurved Radiator Hose
1999MitsubishiMontero Sport3.0LV6UpperCurved Radiator Hose
1999MitsubishiMontero Sport3.5LV6UpperCurved Radiator Hose
1998MitsubishiMontero Sport3.0LV6UpperCurved Radiator Hose
1997MitsubishiMontero Sport3.0LV6UpperCurved Radiator Hose
1996MitsubishiMontero3.0LV6UpperCurved Radiator Hose
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Duralast — C72012Mitsubishi — MR239632Mitsubishi — MR404371