Dorman H621251 Brake Hydraulic Hose - Rear Left or Rear Left Outer

Reliable Brake Hydraulic Hose for Infiniti G37 and Q60

The Dorman H621251 brake hydraulic hose is designed to provide dependable brake fluid transfer for Infiniti G37 and Q60 models. Constructed with durable materials, this flexible brake hose ensures consistent performance and safety under various driving conditions.

• Compatible with Infiniti G37 and Q60 vehicles
• Overall length of 13.5 inches for precise fitment
• Durable EPDM rubber hose material with black outer sleeve
• Treated steel fittings at both ends for corrosion resistance
• End 1 features a junction fitting with 10 mm thread diameter
• End 2 includes a female fitting with M10 x 1.0 inside diameter
• No mounting hardware, bracket, gasket, or jacket included

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621251) is engineered with an EPDM rubber hose material that offers flexibility and resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends of the hose feature treated steel fittings—End 1 with a junction fitting and End 2 with a female fitting—ensuring secure connections within the brake system. The 13.5-inch overall length is tailored for a direct replacement on Infiniti G37 and Q60 models, maintaining factory specifications for optimal brake performance.

Common Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses causing fluid leaks
• Addresses brake pedal softness due to hose expansion or damage
• Restores proper brake fluid flow for consistent braking response
• Prevents brake system contamination from damaged hose outer sleeves
• Eliminates brake warning lights triggered by hydraulic hose failure

Installation Notes and Tips

When installing the Dorman H621251 brake hydraulic hose, ensure the vehicle is securely lifted and the brake system is depressurized. Carefully remove the old hose fittings to avoid damage to brake lines or connectors. Use appropriate brake fluid and bleed the brake system thoroughly after installation to remove air pockets. Since mounting hardware and brackets are not included, reuse existing components or source compatible parts as needed. Verify the hose length and fitting types match the original equipment to ensure proper fitment.

Quality Assurance and Warranty Information

Dorman manufactures this brake hydraulic hose to meet or exceed OEM standards for durability and performance. The treated steel fittings resist corrosion, and the EPDM rubber hose material withstands harsh operating conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.