Dayco 86832 Engine Coolant Bypass Hose - Upper
OE Quality 60-Day Returns
Dayco
 Small I.D. Heater Hose

Dayco 86832 Engine Coolant Bypass Hose - Upper

Brand Dayco 86832
Position Upper
Color Black
Contains Protective Sleeve Y
End 1 Inside Diameter 5/16
End 1 Outside Diameter 19/32
End 2 Inside Diameter 5/16
End 2 Outside Diameter 19/32
Hose Type Single I.D. Hose
Material EPDM
SAE Specification SAE J20R3 Class D-1, SAE J1684 Type EC
Trunk Height 9
Product line Small I.D. Heater Hose
Fits Toyota · 8 vehicles

EPDM construction. Resists heat and coolant exposure for dependable hose performance.

Protective sleeve included. Adds extra abrasion resistance where the hose routes through tight spaces.

Small I.D. hose. Built for coolant bypass applications with a single-diameter design.

Cross-references Duralast C86832 and Toyota 16261-0D102 for the same application. See all 2.

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Dayco Small I.D. Heater Hose for Toyota Corolla and Matrix

Dayco 86832 is an engine coolant bypass hose built for small inside diameter heater hose applications. It uses EPDM construction with a black finish and a protective sleeve to help manage routing in the engine bay. This hose is a direct fit for select 2005-2008 Toyota Corolla and 2005-2008 Toyota Matrix upper heater hose applications.

Key Features

  • EPDM rubber construction for coolant system service
  • 5/16 in. inside diameter at both ends
  • 5/16 in. single I.D. hose design
  • Black finish for OE-style appearance
  • Protective sleeve included; heat shield not included
  • Built to SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Dayco 86832 replacement hose for upper heater hose routing

Product Details

Dayco’s Small I.D. Heater Hose line focuses on compact coolant hose applications where accurate sizing and durable construction matter. Part number 86832 measures 5/16 inch inside diameter on both ends and 19/32 inch outside diameter on both ends, making it suitable for small coolant bypass and heater hose connections. The EPDM material is selected for coolant exposure, while the protective sleeve adds an extra layer of abrasion resistance in routed areas. This part cross-references Toyota 16261-0D102 and Duralast C86832 for the same application.

What This Hose Helps Address

  • Coolant leaks from a cracked or aged heater hose
  • Softening, swelling, or hardening of the original hose material
  • Restricted coolant flow through a deteriorated bypass hose
  • Upper heater hose routing issues on Toyota Corolla and Toyota Matrix models
  • Maintenance replacement for a worn Dayco 86832-style hose

Installation Notes and Tips

Fits 2005-2008 Toyota Corolla, Upper. Fits 2005-2008 Toyota Matrix, Upper. Verify hose routing, end diameters, and connection points before installation. Inspect clamps, adjoining pipes, and nearby coolant components for wear or corrosion while the cooling system is open. Confirm the hose is seated fully on both 5/16 inch ends and routed without kinks or contact with hot or moving parts.

Quality Assurance

Dayco 86832 is manufactured to SAE J20R3 Class D-1 and SAE J1684 Type EC standards for heater hose service. The EPDM construction and protective sleeve support dependable coolant-system replacement in the specified Toyota Corolla and Toyota Matrix applications.

Related reading

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008ToyotaCorolla——UpperSmall I.D. Heater Hose
2008ToyotaMatrix——UpperSmall I.D. Heater Hose
2007ToyotaCorolla——UpperSmall I.D. Heater Hose
2007ToyotaMatrix——UpperSmall I.D. Heater Hose
2006ToyotaCorolla1.8LL4UpperSmall I.D. Heater Hose
2006ToyotaMatrix1.8LL4UpperSmall I.D. Heater Hose
2005ToyotaCorolla1.8LL4UpperSmall I.D. Heater Hose
2005ToyotaMatrix1.8LL4UpperSmall I.D. Heater Hose
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Duralast — C86832Toyota — 16261-0D102