Dorman H621574 Brake Hydraulic Hose - Rear Left or Rear Right

Dorman Brake Hydraulic Hose for INFINITI QX70

This Dorman brake hydraulic hose is engineered to match the fit, function, and performance of the original hose on select INFINITI applications. Built with EPDM rubber and treated steel fittings, it supports dependable brake fluid transfer for rear brake service on the INFINITI QX70 and related FX-series models.

• Direct replacement brake hydraulic hose for specific rear brake positions
• Black EPDM rubber outer sleeve for flexible routing
• Treated steel banjo and female fittings for secure connection points
• Gasket or seal included for service-ready installation
• Overall length: 11.56 in.; axis 1 length: 10.81 in.
• Compatible with rear left and rear right applications on select INFINITI vehicles

Detailed Product Overview

Dorman H621574 is a flexible brake hose designed for rear brake repair on select INFINITI QX70, FX37, FX50, and FX35 models. It is built to mirror the original hose’s fit and function, helping maintain proper hydraulic performance at the wheel end. The hose uses EPDM rubber construction with treated steel end fittings, a black outer sleeve, and a seal included in the package contents. This part cross-references Raybestos Brakes BH383490 for the same application.

Fits 2018-2019 INFINITI QX70, rear left. Fits 2014-2019 INFINITI QX70, rear right. Fits 2013 INFINITI FX37, rear right. Fits 2012-2013 INFINITI FX50, rear right. Fits 2009-2012 INFINITI FX35, rear right.

What This Brake Hose Helps Address

• Brake fluid leakage at a worn or damaged rear hose
• Cracking, swelling, or deterioration in the rubber hose
• Restricted brake fluid flow caused by internal hose wear
• Soft or inconsistent brake pedal feel related to hose condition
• Service needs during rear brake repair on INFINITI QX70, FX37, FX50, or FX35 models

Installation Notes and Tips

Verify the rear left or rear right position before ordering, since fitment varies by vehicle and side. Inspect the mating brake line, banjo connection, and sealing surfaces before installation, and replace any worn seals or damaged hardware as needed. After installation, bleed the brake system according to the vehicle service procedure and check carefully for leaks.

Quality Assurance

Dorman designs this brake hydraulic hose to match original equipment fit and function for the listed applications. Part number H621574 is built for specific vehicle positions to support a proper brake repair on compatible INFINITI models.