HomeBrake > Hoses and PipesDorman H621703 Brake Hydraulic Hose - Front Left
Part #: H621703

Dorman H621703 Brake Hydraulic Hose - Front Left

Front Left
⚙️ 66 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru, WRX, WRX STI, and Impreza
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Reliable Brake Hydraulic Hose for Subaru Impreza and WRX Models

The Dorman H621703 brake hydraulic hose is designed specifically for Subaru Impreza, WRX, and WRX STI models. Engineered to provide consistent brake fluid transfer, this flexible hose ensures dependable braking performance under various driving conditions.

  • Compatible with Subaru Impreza, WRX, and WRX STI
  • Flexible EPDM rubber hose with black outer sleeve
  • Includes stamped steel bracket and gaskets for secure installation
  • End fittings made of treated steel: banjo fitting on one end and female fitting on the other
  • Overall length of 20.5 inches with precise 10 mm thread diameter

Durable Construction and Precise Fitment

The Dorman H621703 brake hydraulic hose features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds protection against abrasion and environmental exposure. This hose includes a stamped steel bracket for mounting stability and gaskets to ensure a leak-free seal. Both end fittings are crafted from treated steel, with a banjo fitting on one end and a female fitting on the other, designed to match the OEM specifications for Subaru Impreza, WRX, and WRX STI models. The hose measures 20.5 inches overall length, with a 10 mm thread diameter and M10 x 1.0 inside diameter fitting, ensuring a precise and secure connection.

Applications and Common Issues Addressed

  • Replacement of worn or cracked brake hydraulic hoses
  • Resolving brake fluid leaks caused by damaged fittings or seals
  • Restoring proper brake fluid pressure and pedal feel
  • Addressing hose swelling or bulging under pressure
  • Upgrading to a hose with OEM-equivalent materials and fittings

Installation Notes and Tips

Before installation, verify compatibility with your specific Subaru Impreza, WRX, or WRX STI model year. Use the included stamped steel bracket and gaskets to ensure a secure and leak-free fit. Avoid twisting or kinking the hose during installation to maintain flexibility and integrity. Bleed the brake system thoroughly after installation to remove air and ensure optimal brake performance.

Quality Assurance and Warranty Information

Dorman manufactures the H621703 brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of treated steel fittings and durable EPDM rubber hose material supports long-term reliability. This product includes gaskets for proper sealing and a stamped steel bracket for secure mounting. Warranty coverage details can be obtained from Dorman, reflecting their commitment to quality and customer satisfaction.

BrandDorman
Part NumberH621703
Axis 1 Length19.87
Bracket IncludedYes
Bracket MaterialStamped Steel
ColorBlack
Describe TypeFlexible Hose
End 1 Fitting MaterialTreated Steel
End 1 Fitting TypeBanjo
End 1 Thread Diameter10 mm
End 2 Fitting Inside DiameterM10 X 1.0
End 2 Fitting MaterialTreated Steel
End 2 Fitting TypeFemale
Gasket Or Seal IncludedYes
Hose MaterialEPDM Rubber
Jacket IncludedNo
Mounting Hardware IncludedNo
Outer Sleeve MaterialRubber
Overall Length20.5
Package Contents1 Brake Hose; Gaskets

This part fits 66 vehicles. Search below:

YearMakeModelSubmodelTransmissionPositionNotes
2021SubaruWRXFront Left
2020SubaruWRXFront Left
2019SubaruWRXLimitedManualFront Left
2019SubaruWRXLimitedAutomatic CVTFront Left
2019SubaruWRXBaseManualFront Left
2019SubaruWRXBaseAutomatic CVTFront Left
2019SubaruWRXPremiumManualFront Left
2019SubaruWRXPremiumAutomatic CVTFront Left
2019SubaruWRX6 ManManualFront Left
2019SubaruWRXCVTAutomatic CVTFront Left
2019SubaruWRX STILimitedFront Left
2019SubaruWRX STIBaseFront Left
2019SubaruWRX STISTIFront Left
2018SubaruWRXFront Left
2018SubaruWRX STIFront Left
2017SubaruWRXFront Left
2017SubaruWRX STIFront Left
2016SubaruWRXLimitedFront Left
2016SubaruWRXBaseFront Left
2016SubaruWRXSTIFront Left
2016SubaruWRXPremiumFront Left
2016SubaruWRX STILimitedFront Left
2016SubaruWRX STIBaseFront Left
2016SubaruWRX STISeries.HyperBlueFront Left
2015SubaruWRXLimitedFront Left
2015SubaruWRXBaseFront Left
2015SubaruWRXSTIFront Left
2015SubaruWRXPremiumFront Left
2015SubaruWRX STILimitedFront Left
2015SubaruWRX STIBaseFront Left
2015SubaruWRX STILaunch EditionFront Left
2014SubaruImprezaWRX STIFront Left
2014SubaruImprezaWRX STI LimitedFront Left
2014SubaruImprezaWRXFront Left
2014SubaruImprezaWRX LimitedFront Left
2014SubaruImprezaWRX PremiumFront Left
2014SubaruWRXLimitedFront Left
2014SubaruWRXBaseFront Left
2014SubaruWRXSTIFront Left
2014SubaruWRXSEFront Left
2014SubaruWRX STIBaseFront Left
2014SubaruWRX STISport-techFront Left
2014SubaruWRX STITsurugi EditionFront Left
2013SubaruImprezaWRX STIFront Left
2013SubaruImprezaWRX STI LimitedFront Left
2013SubaruImprezaWRXFront Left
2013SubaruImprezaWRX LimitedFront Left
2013SubaruImprezaWRX PremiumFront Left
2013SubaruWRXLimitedFront Left
2013SubaruWRXBaseFront Left
2013SubaruWRXSTIFront Left
2013SubaruWRX STIBaseFront Left
2013SubaruWRX STISport-techFront Left
2012SubaruImprezaWRX STIFront Left
2012SubaruImprezaWRX STI LimitedFront Left
2012SubaruImprezaWRXFront Left
2012SubaruImprezaWRX LimitedFront Left
2012SubaruImprezaWRX PremiumFront Left
2012SubaruWRXBaseFront Left
2012SubaruWRXSTIFront Left
2011SubaruImprezaWRXFront Left
2011SubaruImprezaWRX LimitedFront Left
2011SubaruImprezaWRX PremiumFront Left
2010SubaruImprezaWRXFront Left
2010SubaruImprezaWRX LimitedFront Left
2010SubaruImprezaWRX PremiumFront Left

* 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:

150.47044220551626540FG031BH143917

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