Home› Brake > Hoses and Pipes› Dorman H620857 Brake Hydraulic Hose - Rear Left, Rear Left Inner, Rear Right or Rear Right Inner
Dorman H620857 Brake Hydraulic Hose - Rear Left, Rear Left Inner, Rear Right or Rear Right InnerOE Quality 60-Day Returns
Dorman H620857 Brake Hydraulic Hose - Rear Left, Rear Left Inner, Rear Right or Rear Right Inner - view 1
Dorman H620857 Brake Hydraulic Hose - Rear Left, Rear Left Inner, Rear Right or Rear Right Inner - view 2
Part #: H620857

Dorman H620857 Brake Hydraulic Hose - Rear Left, Rear Left Inner, Rear Right or Rear Right Inner

Rear Left Inner
⚙️ 112 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 128i, 135i, 135is, 328i, 328i xDrive, 335i, 335i xDrive, 335is, M3, X1, 335d, 328xi, 335xi, 325i, and 330i
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Reliable Brake Hydraulic Hose for BMW Models

The Dorman H620857 brake hydraulic hose is designed to provide dependable brake fluid transfer for various BMW vehicles. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety for your braking system.

  • Compatible with BMW 128i, 135i, 135is, 325i, 328i, 328i xDrive, 328xi, 330i, 335d, 335i, 335is, 335i xDrive, 335xi, M3, and X1 models
  • Constructed with EPDM rubber hose material and a black rubber outer sleeve for flexibility and durability
  • Equipped with treated steel female fittings on both ends (M10 x 1.0 thread diameter)
  • Overall length of 8.12 inches for precise fitment
  • Includes one brake hydraulic hose without mounting hardware, brackets, or gaskets

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H620857) features a flexible EPDM rubber hose core that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds protection against abrasion and environmental factors. Both ends are fitted with treated steel female connectors, ensuring secure and corrosion-resistant connections to your vehicle's brake system. With an overall length of 8.12 inches, this hose is designed to match the original equipment specifications for a range of BMW models, including the 3 Series and X1.

Applications and Common Issues Addressed

  • Replacement for worn or cracked brake hydraulic hoses causing brake fluid leaks
  • Restores proper brake fluid pressure and pedal feel
  • Prevents brake system failure due to hose deterioration
  • Eliminates spongy or soft brake pedal symptoms
  • Ensures safe and reliable braking performance on BMW 128i, 335i, M3, and other compatible models

Installation Notes and Tips

When installing the Dorman H620857 brake hydraulic hose, ensure the brake system is properly bled to remove air pockets. Use appropriate tools to avoid damaging the treated steel fittings. Since mounting hardware and brackets are not included, reuse existing components or source compatible parts as needed. Verify hose routing matches OEM specifications to prevent kinks or interference with suspension components.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H620857 part undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your replacement brake hose.

BrandDorman
Part NumberH620857
Bracket IncludedNo
ColorBlack
Describe TypeFlexible Hose
End 1 Fitting MaterialTreated Steel
End 1 Fitting TypeFemale
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 IncludedNo
Hose MaterialEPDM Rubber
Jacket IncludedNo
Mounting Hardware IncludedNo
Outer Sleeve MaterialRubber
Overall Length8.12
Package Contents1 Brake Hose

This part fits 112 vehicles. Search below:

YearMakeModelPositionNotes
2013BMW128iRear Left Inner
2013BMW128iRear Right Inner
2013BMW135iRear Left Inner
2013BMW135iRear Right Inner
2013BMW135isRear Left
2013BMW135isRear Right
2013BMW328iRear Left Inner
2013BMW328iRear Right Inner
2013BMW328i xDriveRear Left Inner
2013BMW328i xDriveRear Right Inner
2013BMW335iRear Left Inner
2013BMW335iRear Right Inner
2013BMW335i xDriveRear Left Inner
2013BMW335i xDriveRear Right Inner
2013BMW335isRear Left Inner
2013BMW335isRear Right Inner
2013BMWM3Rear Left Inner
2013BMWM3Rear Right Inner
2013BMWX1Rear Left Inner
2013BMWX1Rear Right Inner
2012BMW128iRear Left Inner
2012BMW128iRear Right Inner
2012BMW135iRear Left Inner
2012BMW135iRear Right Inner
2012BMW328iRear Left Inner
2012BMW328iRear Right Inner
2012BMW328i xDriveRear Left Inner
2012BMW328i xDriveRear Right Inner
2012BMW335iRear Left Inner
2012BMW335iRear Right Inner
2012BMW335i xDriveRear Left Inner
2012BMW335i xDriveRear Right Inner
2012BMW335isRear Left Inner
2012BMW335isRear Right Inner
2012BMWM3Rear Left Inner
2012BMWM3Rear Right Inner
2011BMW128iRear Left Inner
2011BMW128iRear Right Inner
2011BMW135iRear Left Inner
2011BMW135iRear Right Inner
2011BMW328iRear Left Inner
2011BMW328iRear Right Inner
2011BMW328i xDriveRear Left Inner
2011BMW328i xDriveRear Right Inner
2011BMW335dRear Left Inner
2011BMW335dRear Right Inner
2011BMW335iRear Left Inner
2011BMW335iRear Right Inner
2011BMW335i xDriveRear Left Inner
2011BMW335i xDriveRear Right Inner
2011BMW335isRear Left Inner
2011BMW335isRear Right Inner
2011BMWM3Rear Left Inner
2011BMWM3Rear Right Inner
2010BMW128iRear Left Inner
2010BMW128iRear Right Inner
2010BMW135iRear Left Inner
2010BMW135iRear Right Inner
2010BMW328iRear Left Inner
2010BMW328iRear Right Inner
2010BMW328i xDriveRear Left Inner
2010BMW328i xDriveRear Right Inner
2010BMW335dRear Left Inner
2010BMW335dRear Right Inner
2010BMW335iRear Left Inner
2010BMW335iRear Right Inner
2010BMW335i xDriveRear Left Inner
2010BMW335i xDriveRear Right Inner
2010BMWM3Rear Left Inner
2010BMWM3Rear Right Inner
2009BMW128iRear Left Inner
2009BMW128iRear Right Inner
2009BMW135iRear Left Inner
2009BMW135iRear Right Inner
2009BMW328iRear Left Inner
2009BMW328iRear Right Inner
2009BMW328i xDriveRear Left Inner
2009BMW328i xDriveRear Right Inner
2009BMW335dRear Left Inner
2009BMW335dRear Right Inner
2009BMW335iRear Left Inner
2009BMW335iRear Right Inner
2009BMW335i xDriveRear Left Inner
2009BMW335i xDriveRear Right Inner
2009BMWM3Rear Left Inner
2009BMWM3Rear Right Inner
2008BMW128iRear Left Inner
2008BMW128iRear Right Inner
2008BMW135iRear Left Inner
2008BMW135iRear Right Inner
2008BMW328iRear Left Inner
2008BMW328iRear Right Inner
2008BMW328xiRear Left Inner
2008BMW328xiRear Right Inner
2008BMW335iRear Left Inner
2008BMW335iRear Right Inner
2008BMW335xiRear Left Inner
2008BMW335xiRear Right Inner
2008BMWM3Rear Left Inner
2008BMWM3Rear Right Inner
2007BMW328iRear Left Inner
2007BMW328iRear Right Inner
2007BMW328xiRear Left Inner
2007BMW328xiRear Right Inner
2007BMW335iRear Left Inner
2007BMW335iRear Right Inner
2007BMW335xiRear Left Inner
2007BMW335xiRear Right Inner
2006BMW325iRear Left Inner
2006BMW325iRear Right Inner
2006BMW330iRear Left Inner
2006BMW330iRear Right Inner

* 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:

150.3431634306762838BH144545BH383283

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

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