HomeBrake > Hoses and PipesDorman H621942 Brake Hydraulic Hose - Front Left
Part #: H621942

Dorman H621942 Brake Hydraulic Hose - Front Left

Front Left
⚙️ 2 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$39.62Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Regal
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Brake Hydraulic Hose for Buick Regal

The Dorman H621942 brake hydraulic hose is designed specifically for Buick Regal models, providing a durable and flexible connection within your vehicle's braking system. Engineered with quality materials, this brake hose ensures consistent performance and safety under various driving conditions.

  • Compatible with Buick Regal models
  • Flexible hose constructed from EPDM rubber for durability
  • Black outer sleeve made of rubber with protective jacket included
  • Stamped steel bracket included for secure mounting
  • Includes gaskets for proper sealing and leak prevention
  • End fittings made of treated steel: banjo fitting on one end and female fitting on the other
  • Overall length of 23.5 inches with 10 mm thread diameter

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621942) features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve and protective jacket enhance durability against abrasion and environmental exposure. The hose includes a stamped steel bracket for secure attachment, ensuring proper alignment and reducing vibration. Both ends are equipped with treated steel fittings—a banjo fitting on one end and a female fitting on the other—designed to meet OEM specifications for a reliable seal and connection. The included gaskets help prevent leaks and maintain hydraulic pressure within the braking system.

Applications and Problem Resolution

  • Replaces worn or cracked brake hydraulic hoses on Buick Regal vehicles
  • Addresses brake fluid leaks caused by damaged or deteriorated hoses
  • Restores proper brake pressure and pedal feel
  • Prevents brake system failure due to hose rupture or fitting corrosion
  • Eliminates vibration and noise from loose or improperly mounted hoses

Installation Notes and Tips

When installing the Dorman H621942 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, taking care to capture any brake fluid to avoid contamination. Use the included gaskets to create a proper seal at the fittings. Tighten fittings to manufacturer torque specifications to prevent leaks. Verify that the stamped steel bracket is properly mounted to avoid hose movement or abrasion. After installation, bleed the brake system thoroughly to remove air and restore optimal brake performance.

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of EPDM rubber and treated steel fittings ensures resistance to corrosion and wear. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Always consult the warranty documentation for detailed terms and conditions.

BrandDorman
Part NumberH621942
Axis 1 Length22.32
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 IncludedYes
Mounting Hardware IncludedNo
Outer Sleeve MaterialRubber
Overall Length23.5
Package Contents1 Brake Hose; Gaskets

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2013BuickRegalFront Leftw/RPO Code GNB (Performance Front Struts)
2012BuickRegalFront Leftw/RPO Code GNB (Performance Front Struts)

* 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:

220585522792214BH144675BH383731

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