Dayco
Small I.D. Heater Hose

Dayco 86824 HVAC Heater Hose

Brand Dayco 86824
Position Reservoir To Pipe
Color Black
End 1 Inside Diameter 1/4
End 1 Outside Diameter 17/32
End 2 Inside Diameter 1/4
End 2 Outside Diameter 17/32
Hose Type Single I.D. Hose
Material EPDM
SAE Specification SAE J20R3 Class D-1, SAE J1684 Type EC
Trunk Height 7
Product line Small I.D. Heater Hose
Fits Saab, Suzuki, Acura, Honda, Mazda, and Kia · 66 vehicles

EPDM construction. Resists heat and coolant exposure in HVAC hose service.

Single I.D. hose. Provides a straightforward replacement for heater hose applications.

SAE J20R3 Class D-1. Built to meet recognized hose performance specifications.

Cross-references ACDelco 14008S, ACDelco 14638S and CARQUEST 18100 for the same application. See all 11.

$18.00Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $18.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dayco Small I.D. Heater Hose 86824

Dayco 86824 is a Small I.D. Heater Hose built for tight coolant and heater routing where a 1/4 in. inside diameter is required. Made from EPDM and finished in black, it is specified for small-diameter connections used on select Honda, Acura, Mazda, Kia, Saab, and Suzuki applications.

The Dayco Small I.D. Heater Hose line focuses on OE-style replacement hoses for compact engine bay routing. This hose follows SAE J20R3 Class D-1 and SAE J1684 Type EC specifications and uses a single I.D. hose construction for direct replacement in the listed heater and coolant transfer locations.

Key Features

  • Part number 86824
  • EPDM construction for heater and coolant service
  • 1/4 in. inside diameter at both ends
  • Black finish for OE-style appearance
  • Single I.D. hose design
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • End outside diameter: 17/32 in.

Fitment Overview

  • Fits 2006-2009 Saab 9-3, Reservoir To Pipe
  • Fits 2007-2009 Suzuki SX4, Throttle Body To Engine
  • Fits 1996-2004 Acura RL, Pipe To Throttle Body
  • Fits 1999-2002 Acura TL, Pipe To Intake Manifold
  • Fits 1998-2002 Honda Accord, Housing To Pipe
  • Fits 1998-1999 Mazda 626, Engine To Intake Manifold
  • Fits 1998 Honda Civic, Throttle Body To Pipe
  • Fits 1997 Kia Sephia, Throttle Body To Pipe
  • Fits 1992-1995 Mazda MX-3, Throttle Body To Valve
  • Fits 1989-1994 Mazda MPV, Throttle Body To Intake Manifold
  • Fits 1989-1994 Mazda MPV, Throttle Body To Pipe
  • Fits 1993 Mazda B2200, Pipe To Engine
  • Fits 1990-1993 Mazda B2200, Throttle Body To Intake Manifold
  • Fits 1990-1993 Mazda B2600, Intake Manifold To Throttle Body
  • Fits 1991 Mazda B2600, Throttle Body To Intake Manifold
  • Fits 1990 Mazda B2200, Engine To Pipe
  • Fits 1989-1990 Mazda B2600, Throttle Body To Pipe
  • Fits 1987-1989 Mazda B2200, Intake Manifold To Pipe

What This Hose Helps Address

  • Cracked or hardened small-diameter heater hose sections
  • Coolant seepage at throttle body or intake manifold hose connections
  • Restricted heater circuit flow caused by deteriorated hose material
  • Vacuum-like coolant routing issues in compact engine bay plumbing
  • Replacement needs for aging OE-style rubber hose runs

Installation Notes

Verify the hose routing, end diameters, and connection points before installation. This hose is a direct-size replacement for 1/4 in. I.D. applications, so matching the listed vehicle, year, and position is important for proper fit on Honda Accord, Honda Civic, Acura TL, and related applications. No heat shield or protective sleeve is included.

For best results, inspect adjoining pipes, clamps, and fittings for wear before installing Dayco 86824. This part cross-references ACDelco 14008S and Gates 18100 for the same application.

Quality Assurance

Dayco manufactures this hose to SAE J20R3 Class D-1 and SAE J1684 Type EC standards for heater hose service. The EPDM construction is selected for coolant-system use in the listed OEM-style replacement applications.

This part fits 66 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2009Saab9-32.8LV6Reservoir To PipeSmall I.D. Heater Hose
2009SuzukiSX4Throttle Body To EngineSmall I.D. Heater Hose
2008Saab9-32.8LV6Reservoir To PipeSmall I.D. Heater Hose
2008SuzukiSX4Throttle Body To EngineSmall I.D. Heater Hose
2007Saab9-32.8LV6Reservoir To PipeSmall I.D. Heater Hose
2007SuzukiSX4Throttle Body To EngineSmall I.D. Heater Hose
2006Saab9-32.8LV6Reservoir To PipeSmall I.D. Heater Hose
2004AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
2003AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
2002AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
2002AcuraTLPipe To Intake ManifoldSmall I.D. Heater Hose
2002HondaAccord3.0LV6Housing To PipeSmall I.D. Heater Hose
2001AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
2001AcuraTLPipe To Intake ManifoldSmall I.D. Heater Hose
2001HondaAccord3.0LV6Housing To PipeSmall I.D. Heater Hose
2000AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
2000AcuraTLPipe To Intake ManifoldSmall I.D. Heater Hose
2000HondaAccord3.0LV6Housing To PipeSmall I.D. Heater Hose
1999AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
1999AcuraTLPipe To Intake ManifoldSmall I.D. Heater Hose
1999HondaAccord3.0LV6Housing To PipeSmall I.D. Heater Hose
1999Mazda6262.5LV6Engine To Intake ManifoldSmall I.D. Heater Hose
1998AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
1998HondaAccord3.0LV6Housing To PipeSmall I.D. Heater Hose
1998HondaCivic1.6LL4CNGThrottle Body To PipeSmall I.D. Heater Hose
1998HondaCivicLX1.6LL4GASThrottle Body To PipeSmall I.D. Heater Hose
1998HondaCivicEX1.6LL4GASThrottle Body To PipeSmall I.D. Heater Hose
1998HondaCivicCX1.6LL4GASThrottle Body To PipeSmall I.D. Heater Hose
1998HondaCivicSi1.6LL4GASThrottle Body To PipeSmall I.D. Heater Hose
1998HondaCivic1.6LL4Throttle Body To PipeSmall I.D. Heater Hose
1998Mazda6262.5LV6Engine To Intake ManifoldSmall I.D. Heater Hose
1997AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
1997KiaSephia1.8LL4Throttle Body To PipeSmall I.D. Heater Hose
1996AcuraRLPipe To Throttle BodySmall I.D. Heater Hose
1995MazdaMX-31.8LV6Throttle Body To ValveSmall I.D. Heater Hose
1994MazdaMPV2.6LL4Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1994MazdaMPV2.6LL4Throttle Body To PipeSmall I.D. Heater Hose
1994MazdaMX-31.8LV6Throttle Body To ValveSmall I.D. Heater Hose
1993MazdaB2200Pipe To EngineSmall I.D. Heater Hose
1993MazdaB2200Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1993MazdaB2600Intake Manifold To Throttle BodySmall I.D. Heater Hose
1993MazdaMPV2.6LL4Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1993MazdaMPV2.6LL4Throttle Body To PipeSmall I.D. Heater Hose
1993MazdaMX-31.8LV6Throttle Body To ValveSmall I.D. Heater Hose
1992MazdaB2200Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1992MazdaB2600Intake Manifold To Throttle BodySmall I.D. Heater Hose
1992MazdaMPV2.6LL4Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1992MazdaMPV2.6LL4Throttle Body To PipeSmall I.D. Heater Hose
1992MazdaMX-31.8LV6Throttle Body To ValveSmall I.D. Heater Hose
1991MazdaB2200Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1991MazdaB2600Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1991MazdaB2600Intake Manifold To Throttle BodySmall I.D. Heater Hose
1991MazdaMPV2.6LL4Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1991MazdaMPV2.6LL4Throttle Body To PipeSmall I.D. Heater Hose
1990MazdaB2200Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1990MazdaB2200Engine To PipeSmall I.D. Heater Hose
1990MazdaB2600Throttle Body To PipeSmall I.D. Heater Hose
1990MazdaB2600Intake Manifold To Throttle BodySmall I.D. Heater Hose
1990MazdaMPV2.6LL4Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1990MazdaMPV2.6LL4Throttle Body To PipeSmall I.D. Heater Hose
1989MazdaB2200Intake Manifold To PipeSmall I.D. Heater Hose
1989MazdaB2600Throttle Body To PipeSmall I.D. Heater Hose
1989MazdaMPV2.6LL4Throttle Body To Intake ManifoldSmall I.D. Heater Hose
1989MazdaMPV2.6LL4Throttle Body To PipeSmall I.D. Heater Hose
1988MazdaB2200Intake Manifold To PipeSmall I.D. Heater Hose
1987MazdaB2200Intake Manifold To PipeSmall I.D. Heater Hose
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 14008SACDelco — 14638SCARQUEST — 18100CARQUEST — 18193Duralast — B86824Gates — 18100Gates — 18193Honda — 19523-P8A-A00Mazda — FE87-13-116NAPA — 10100NAPA — 10193