Dorman H621431 Brake Hydraulic Hose - Front Left or Front Right

Dorman H621431 Brake Hydraulic Hose

Dorman H621431 is a brake hydraulic hose engineered to match the fit, function, and performance of the original hose on specific vehicles and positions. It is built for the front left and front right brake circuits on 2008-2014 Lexus IS F models, with EPDM rubber construction and treated steel fittings for a direct replacement service part.

Key Features

• Direct replacement brake hydraulic hose for select Lexus IS F applications
• Fits 2008-2014 Lexus IS F, front left
• Fits 2008-2014 Lexus IS F, front right
• Flexible hose design with black rubber outer sleeve
• EPDM rubber hose material for brake fluid service
• Treated steel banjo fitting on end 1 and female fitting on end 2
• Gaskets included; mounting hardware and bracket not included
• Overall length: 13.6 in.; axis 1 length: 13.06 in.

Detailed Description

This Dorman brake hose is built for a precise OE-style replacement on the Lexus IS F brake system. The H621431 uses a flexible EPDM rubber hose with treated steel end fittings, including a banjo connection on one end and an M10 x 1.0 female connection on the other, to match the original routing and connection style on the specified front positions. For buyers searching for a 2008-2014 Lexus IS F front brake hose, Dorman H621431 provides the correct fitment details for front left and front right service.

This part cross-references Centric Parts 150.44150 for the same application.

Common Repair Symptoms

• Brake fluid seepage at the hose or fitting
• Cracked, swollen, or deteriorated rubber hose material
• Soft or inconsistent brake pedal feel caused by hose restriction
• Visible corrosion or wear at the hose ends
• Need for a front brake hose replacement during brake service

Installation Notes and Tips

Verify position before installation: this hose is listed for the front left and front right locations on 2008-2014 Lexus IS F models. Confirm the banjo and female fitting styles, thread size, and hose length against the original part before assembly. Gaskets are included, while mounting hardware and bracket are not included, so reuse or source any required vehicle-specific hardware as needed. After installation, bleed the brake system and inspect all connections for leaks.

Quality Assurance

Dorman manufactures this brake hydraulic hose as a precision-engineered replacement for the original equipment hose on the listed Lexus IS F applications. The design focuses on correct fitment, proper connection geometry, and durable brake-system service.