HomeBelts and Cooling > Hoses and PipesDayco 86832 Engine Coolant Bypass Hose - Upper
Part #: 86832

Dayco 86832 Engine Coolant Bypass Hose - Upper

Small I.D. Heater Hose, Upper
⚙️ 8 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$12.93Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Upper
🚗Fitment: Toyota, Corolla and Matrix
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Small I.D. Heater Hose 86832

The Dayco Small I.D. Heater Hose 86832 is designed specifically for Toyota Corolla and Matrix models. This engine coolant bypass hose ensures reliable coolant flow and temperature regulation within your vehicle's heating system.

  • Constructed from durable EPDM material for heat and chemical resistance
  • Black color with a single inside diameter (I.D.) hose design
  • 5/16 inch inside diameter on both ends for consistent fitment
  • Contains a protective sleeve to enhance durability
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Outside diameter of 19/32 inch on both ends for secure connections
  • Trunk height of 9 inches for proper routing

Detailed Product Description

The Dayco Small I.D. Heater Hose 86832 is engineered from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and automotive fluids. This black hose features a single inside diameter of 5/16 inch on both ends, ensuring a consistent and secure fit for coolant bypass applications. The inclusion of a protective sleeve adds an extra layer of protection against abrasion and environmental wear, extending the hose's service life. Designed to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, this hose complies with industry requirements for engine coolant hoses, making it a reliable replacement part for Toyota Corolla and Matrix vehicles.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line from Dayco focuses on providing precise fitment and durability for smaller diameter heater hoses used in automotive cooling systems. This product line emphasizes quality materials and compliance with SAE specifications to ensure proper coolant flow and heat resistance. The 86832 hose is part of this line, offering a tailored solution for specific Toyota models requiring a 5/16 inch inside diameter hose with protective features.

Common Applications and Issues Addressed

  • Replacement of worn or cracked heater hoses in Toyota Corolla and Matrix models
  • Resolving coolant leaks caused by hose degradation
  • Preventing overheating issues related to coolant bypass failures
  • Maintaining proper heater core function and cabin heating performance
  • Addressing hose damage from abrasion or environmental exposure

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 86832, ensure the hose is routed correctly to avoid kinks or sharp bends that could restrict coolant flow. Use appropriate clamps to secure both ends with 5/16 inch inside diameter fittings. Inspect surrounding components for wear or damage during installation. The protective sleeve should be positioned to face areas prone to abrasion for maximum protection.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86832 to meet stringent SAE standards, ensuring consistent quality and performance. The EPDM material and protective sleeve contribute to the hose's durability under typical engine operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry quality controls and are suitable for professional automotive repair and maintenance.

BrandDayco
Part Number86832
PositionSmall I.D. Heater Hose, Upper
ColorBlack
Contains Protective SleeveY
End 1 Inside Diameter5/16
End 1 Outside Diameter19/32
End 2 Inside Diameter5/16
End 2 Outside Diameter19/32
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R3 Class D-1, SAE J1684 Type EC
Trunk Height9

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008ToyotaCorollaUpperSmall I.D. Heater Hose
2008ToyotaMatrixUpperSmall I.D. Heater Hose
2007ToyotaCorollaUpperSmall I.D. Heater Hose
2007ToyotaMatrixUpperSmall 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

* 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:

C86832

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