Dorman H621739 Brake Hydraulic Hose - Rear Left or Rear Left Outer

Reliable Brake Hydraulic Hose for Infiniti G37 and Q60

The Dorman H621739 brake hydraulic hose is designed to provide dependable brake fluid transfer for Infiniti G37 and Q60 models. Constructed with durable materials, this flexible hose ensures consistent braking performance under various driving conditions.

• Compatible with Infiniti G37 and Q60 vehicles
• Flexible EPDM rubber hose material for durability and resistance
• Black outer sleeve made of rubber for protection against wear
• Treated steel fittings at both ends for corrosion resistance
• End 1 fitting type: Junction with M10 x 1.0 thread diameter
• End 2 fitting type: Female with M10 x 1.0 inside diameter
• Overall length of 11.6 inches for precise fitment
• Includes one brake hydraulic hose per package

Durable Construction and Precise Fitment

The Dorman H621739 brake hydraulic hose features a flexible EPDM rubber hose material that withstands heat, pressure, and exposure to brake fluid. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends of the hose are equipped with treated steel fittings—End 1 is a junction fitting with an M10 x 1.0 thread diameter, while End 2 is a female fitting with an M10 x 1.0 inside diameter—ensuring secure connections within the brake system. With an overall length of 11.6 inches, this hose is engineered to match the original equipment specifications for Infiniti G37 and Q60 models, providing reliable brake fluid transfer and maintaining system integrity.

Common Applications and Problem Resolution

• Replacement of worn or cracked brake hydraulic hoses on Infiniti G37 and Q60
• Resolving brake fluid leaks caused by damaged or deteriorated hoses
• Restoring proper brake pressure and pedal feel
• Preventing brake system failure due to hose degradation
• Maintaining safe and consistent braking performance

Installation Notes and Tips

When installing the Dorman H621739 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake system. Verify that the M10 x 1.0 fittings align correctly with the brake line connections on your Infiniti G37 or Q60. Use appropriate tools to tighten fittings to manufacturer torque specifications. After installation, bleed the brake system thoroughly to remove air and restore proper brake function.

Quality Assurance and Warranty

Dorman manufactures the H621739 brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The treated steel fittings and EPDM rubber hose material are selected for durability and resistance to corrosion and wear. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.