Dorman H621729 Brake Hydraulic Hose - Rear Left or Rear Right

Brake Hose for Infiniti Rear Right Applications

This Dorman brake hydraulic hose is engineered to match the fit, function, and performance of the original hose on specific Infiniti applications. It is built for rear right positions on select Q50, Q60, Q70, Q70L, M37, and M56 models, with OE-style construction for a direct brake repair.

• Direct replacement brake hydraulic hose for select Infiniti rear right applications
• Flexible hose design with black EPDM rubber outer sleeve
• Treated steel end fittings for secure connection points
• Overall length: 11 inches
• End 1 fitting type: junction with M10 x 1.0 thread diameter
• End 2 fitting type: female with M10 x 1.0 inside diameter
• Compatible with 2011-2013 Infiniti M37 Sport, rear right
• Compatible with 2011-2013 Infiniti M56 Sport, rear right
• Compatible with 2014 Infiniti Q70 Technology and Premium Package with 20 in. wheels, rear left
• Compatible with 2014-2016 Infiniti Q50, rear right
• Compatible with 2015-2019 Infiniti Q70 with 20 in. wheels, rear right
• Compatible with 2015-2019 Infiniti Q70L with 20 in. wheels, rear right
• Compatible with 2017-2020 Infiniti Q60, rear right
• Compatible with 2019-2020 Infiniti Q50, rear right

Built for OE-Style Brake Repair

Part number H621729 is a flexible brake hose made for specific rear brake routing on Infiniti vehicles. The EPDM rubber hose material and treated steel fittings are selected to mirror the original hose layout and support reliable hydraulic transfer in the brake system. This part cross-references Raybestos Brakes (e.g., BH383640) for the same application.

Common Problems This Hose Can Address

• Cracked or deteriorated brake hose rubber
• Brake fluid seepage at the hose connection points
• Restricted brake fluid flow from a damaged hose
• Soft or inconsistent brake pedal feel caused by hose wear
• Rear brake service needs on select Infiniti Q50, Q60, Q70, Q70L, M37, and M56 models

Installation Notes and Tips

Verify rear right or rear left position before installation, since fitment varies by model and trim. Confirm the vehicle’s wheel size and package details where noted, and inspect the mating brake lines, seals, and brackets before assembly. Mounting hardware, brackets, and seals are not included.

Quality Assurance

Dorman designs this brake hydraulic hose to match original equipment fit and function for the listed Infiniti applications. Part number H621729 is intended as a direct replacement for a complete brake repair on the specified vehicles and positions.