HomeBrake > Hoses and PipesDorman H621420 Brake Hydraulic Hose - Front Left
Part #: H621420

Dorman H621420 Brake Hydraulic Hose - Front Left

Front Left
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus, GS350
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Dorman H621420 Brake Hose for Lexus GS350

Dorman H621420 is a front left brake hydraulic hose engineered for specific vehicle fitment and brake system performance. It is built with an EPDM rubber hose, treated steel banjo and female fittings, and a black outer sleeve for a direct replacement on the listed Lexus GS350 applications.

Key Features

  • Fits 2007-2011 Lexus GS350, front left
  • Brake hydraulic hose with flexible hose construction
  • EPDM rubber hose material with black outer sleeve
  • Treated steel end fittings for secure brake line connection
  • Includes gaskets; mounting hardware and bracket are not included
  • Overall length: 17.81 in.; axis 1 length: 13.75 in.
  • Part number H621420 for OE-style brake hose replacement

Detailed Description

This Dorman brake hydraulic hose is precision-engineered to match the fit, function, and performance of the original hose on specific vehicles and positions. For 2007-2011 Lexus GS350 front left applications, H621420 provides the correct flexible hose layout with a 10 mm banjo end and M10 x 1.0 female end, helping restore proper hydraulic routing in the brake system. This part cross-references Centric Parts 150.44140 for the same application.

Common Repair Uses

  • Replacing a cracked or aging front left brake hose on a Lexus GS350
  • Restoring brake fluid flow after hose swelling or internal restriction
  • Correcting leaks at the hose-to-caliper or hose-to-line connection
  • Addressing soft or inconsistent brake pedal feel caused by hose wear
  • Repairing corrosion-related damage at the brake hose fittings

Installation Notes and Tips

Verify the vehicle position before installation: this hose is for the front left location on 2007-2011 Lexus GS350 models. Confirm fitting style, thread size, and hose length against the original part before assembly. Replace worn gaskets during installation and inspect adjacent brake lines, caliper connections, and mounting points for damage or corrosion.

Quality Assurance

Dorman designs this brake hose to match original equipment fit and function for the listed application. The package includes one brake hose and gaskets.

BrandDorman
Part NumberH621420
ColorBlack
Outer Sleeve MaterialRubber
Mounting Hardware IncludedNo
Bracket IncludedNo
Gasket Or Seal IncludedYes
Axis 1 Length13.75
End 1 Fitting MaterialTreated steel
End 1 Fitting TypeBanjo
End 2 Fitting MaterialTreated steel
End 2 Fitting TypeFemale
Overall Length17.81
Jacket IncludedNo
Describe TypeFlexible hose
End 1 Thread Diameter10 mm
End 2 Fitting Inside DiameterM10 x 1.0
Hose MaterialEpdm rubber
Package Contents1 brake hose; gaskets

This part fits 5 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2011LexusGS350AWDFront Left
2010LexusGS350AWDFront Left
2009LexusGS350AWDFront Left
2008LexusGS350AWDFront Left
2007LexusGS350AWDFront 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:

150.441409094702E54BH144295BH383521

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