OE Quality
60-Day Returns

Dorman H621104 Brake Hydraulic Hose - Front Left
Reliable Brake Hydraulic Hose for Lexus and Toyota Vehicles
The Dorman H621104 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Lexus and Toyota models. Engineered with durable materials and precise fittings, this flexible brake hose ensures consistent braking performance for your Highlander, RX350, RX450h, or Venza.
- Compatible with Lexus Highlander, RX350, RX450h, and Toyota Venza
- Flexible EPDM rubber hose with black outer sleeve for durability
- 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 19.21 inches with M10 x 1.0 thread diameter
Durable Construction and Precise Fitment
This Dorman brake hydraulic hose (part number H621104) features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. The hose includes a stamped steel bracket for mounting, ensuring a secure and vibration-resistant fit. Both end fittings are made from treated steel, with a banjo fitting on one end and a female fitting on the other, designed to match OEM specifications for a direct replacement. The included gaskets help maintain a leak-free seal during installation.
Applications and Common Issues Addressed
- Replacement for worn or cracked brake hydraulic hoses on Lexus Highlander, RX350, RX450h, and Toyota Venza
- Solves brake fluid leaks caused by damaged or deteriorated hoses
- Addresses brake pedal softness or sponginess due to hose failure
- Prevents brake system contamination from hose material breakdown
- Restores proper brake fluid pressure and responsiveness
Installation Notes and Tips
When installing the Dorman H621104 brake hydraulic hose, ensure the vehicle is safely lifted and supported. Remove the old hose carefully to avoid brake fluid spillage. Use the included gaskets to create a proper seal at the fittings. Tighten the banjo and female fittings to manufacturer torque specifications. After installation, bleed the brake system thoroughly to remove air and verify proper brake function before driving.
Quality Assurance and Warranty
Dorman manufactures this brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of treated steel fittings and EPDM rubber hose material ensures durability and resistance to common brake system stresses. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for the expected service life of the product.
| Brand | Dorman |
|---|---|
| Part Number | H621104 |
| Bracket Included | Yes |
| Bracket Material | Stamped Steel |
| Color | Black |
| Describe Type | Flexible Hose |
| End 1 Fitting Material | Treated Steel |
| End 1 Fitting Type | Banjo |
| End 1 Thread Diameter | 10 mm |
| End 2 Fitting Inside Diameter | M10 X 1.0 |
| End 2 Fitting Material | Treated Steel |
| End 2 Fitting Type | Female |
| Gasket Or Seal Included | Yes |
| Hose Material | EPDM Rubber |
| Jacket Included | No |
| Mounting Hardware Included | No |
| Outer Sleeve Material | Rubber |
| Overall Length | 19.21 |
| Package Contents | 1 Brake Hose; Gaskets |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | Toyota | Highlander | Front Left | |
| 2018 | Toyota | Highlander | Front Left | |
| 2017 | Toyota | Highlander | Front Left | |
| 2016 | Toyota | Highlander | Front Left | |
| 2016 | Toyota | Venza | Front Left | |
| 2015 | Toyota | Highlander | Front Left | |
| 2014 | Lexus | RX350 | Front Left | |
| 2014 | Lexus | RX450h | Front Left | |
| 2014 | Toyota | Highlander | Front Left | |
| 2013 | Lexus | RX350 | Front Left | |
| 2013 | Lexus | RX450h | Front Left | |
| 2013 | Toyota | Highlander | Front Left | |
| 2012 | Lexus | RX350 | Front Left | |
| 2012 | Lexus | RX450h | Front Left | |
| 2012 | Toyota | Highlander | Front Left | |
| 2012 | Toyota | Venza | Front Left | |
| 2011 | Lexus | RX350 | Front Left | |
| 2011 | Lexus | RX450h | Front Left | |
| 2011 | Toyota | Highlander | Front Left | |
| 2011 | Toyota | Venza | Front Left | |
| 2010 | Lexus | RX450h | Front Left | |
| 2010 | Toyota | Venza | Front Left | |
| 2009 | Toyota | Highlander | Front Left | |
| 2009 | Toyota | Venza | Front Left | |
| 2008 | Toyota | Highlander | Front 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.