Dorman H621137 Brake Hydraulic Hose - Rear Left

Reliable Brake Hydraulic Hose for Kia Optima

The Dorman H621137 brake hydraulic hose is designed specifically for Kia Optima models, providing a durable and flexible connection within the brake system. Engineered with quality materials, this brake hose ensures consistent performance and safety under various driving conditions.

• Compatible with Kia Optima vehicles
• Flexible hose constructed from EPDM rubber for durability
• Outer sleeve made of steel for added protection
• Includes gaskets for secure sealing
• End fittings made of treated steel with banjo and female types
• Overall length of 11.38 inches with precise thread dimensions
• Jacket included to protect the hose from wear and environmental damage

Durable Construction and Precise Fitment

The Dorman H621137 brake hydraulic hose features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. Its steel outer sleeve enhances durability against abrasion and external damage. The hose ends include treated steel fittings: a banjo fitting with a 10 mm thread diameter on one end and a female fitting with an M10 x 1.0 inside diameter on the other. This configuration ensures a secure and leak-free connection within the brake system. The included gaskets help maintain a tight seal, preventing fluid leaks. With an overall length of 11.38 inches and a 10.38-inch axis length, this hose is designed to match the exact specifications required for Kia Optima brake systems.

Common Applications and Problem Resolution

• Replacement of worn or cracked brake hydraulic hoses
• Fixing brake fluid leaks caused by damaged fittings or seals
• Restoring proper brake pressure and pedal feel
• Addressing hose swelling or bulging under pressure
• Ensuring safe brake system operation after collision repairs

Installation Notes and Tips

When installing the Dorman H621137 brake hydraulic hose on a Kia Optima, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, taking care to avoid contamination of the brake fluid system. Use the included gaskets to create a proper seal at the fittings. Tighten the banjo and female fittings to manufacturer torque specifications to prevent leaks. After installation, bleed the brake system thoroughly to remove any air and verify proper brake function before driving.

Quality Assurance and Warranty

Dorman manufactures the H621137 brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of treated steel fittings and EPDM rubber hose material ensures long-lasting performance. This part includes a gasket for secure sealing and comes with a limited warranty against defects in material and workmanship, providing confidence in its reliability for Kia Optima brake system repairs.