Dorman H621737 Brake Hydraulic Hose - Rear Left

Reliable Brake Hydraulic Hose for Nissan GT-R

The Dorman H621737 brake hydraulic hose is designed specifically for Nissan GT-R models, providing a durable and flexible connection within your vehicle's braking system. Engineered with quality materials, this hose ensures consistent brake fluid flow and reliable performance under various driving conditions.

• Compatible with Nissan GT-R brake systems
• Flexible EPDM rubber hose material for durability
• Black outer sleeve made of rubber for protection
• 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 11.5 inches for precise fitment
• Mounting hardware, brackets, gaskets, and jackets not included

Durable Construction and Precise Fitment

The Dorman H621737 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—one junction fitting and one female fitting—each with M10 x 1.0 thread specifications to ensure a secure and leak-free connection. With an overall length of 11.5 inches, this hose is engineered to match the exact requirements of Nissan GT-R brake systems, maintaining proper brake fluid flow and system integrity.

Common Applications and Problem Resolution

• Replacement of worn or cracked brake hydraulic hoses on Nissan GT-R
• Fixing brake fluid leaks caused by damaged or corroded fittings
• Restoring brake system pressure and responsiveness
• Addressing hose swelling or softening due to age or heat exposure
• Ensuring safe and reliable brake operation after brake system maintenance

Installation Notes and Tips

When installing the Dorman H621737 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake fluid system. Verify that the M10 x 1.0 fittings align correctly with the brake components. Use appropriate brake fluid and bleed the brake system thoroughly after installation to remove air and maintain optimal brake performance. Note that mounting hardware, brackets, and seals are not included and may need to be reused or replaced separately.

Quality Assurance and Warranty Information

Dorman manufactures the H621737 brake hydraulic hose to meet or exceed OEM specifications for Nissan GT-R vehicles. The use of treated steel fittings and EPDM rubber materials ensures durability and resistance to corrosion and wear. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.