Dorman H621138 Brake Hydraulic Hose - Rear Right

Reliable Brake Hydraulic Hose for Kia Optima

The Dorman H621138 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 hose ensures consistent brake fluid flow and reliable performance under various driving conditions.

• Compatible with Kia Optima brake systems
• Flexible hose constructed from EPDM rubber for durability
• Steel outer sleeve for enhanced protection
• Includes gaskets for secure sealing
• Ends feature treated steel fittings: banjo and female types
• Overall length of 11.38 inches with precise thread specifications
• Jacket included to protect hose integrity

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621138) features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The steel outer sleeve adds an extra layer of protection against abrasion and environmental damage. Both ends of the hose are equipped with treated steel fittings—one banjo fitting with a 10 mm thread diameter and one female fitting with an M10 x 1.0 inside diameter—ensuring a secure and leak-free connection. The included gaskets help maintain a tight seal, preventing brake fluid leaks. With an overall length of 11.38 inches, this hose is designed to fit Kia Optima brake systems accurately.

Common Applications and Problem Resolution

• Replacement of worn or cracked brake hydraulic hoses on Kia Optima
• Fixing brake fluid leaks caused by damaged or deteriorated hoses
• Restoring proper brake fluid pressure and pedal feel
• Addressing hose swelling or bulging under pressure
• Upgrading to a hose with improved abrasion resistance

Installation Notes and Tips

When installing the Dorman H621138 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, taking care to capture any brake fluid to avoid contamination. Use the included gaskets to create a proper seal at both fittings. Tighten fittings to manufacturer torque specifications to prevent leaks. After installation, bleed the brake system thoroughly to remove air and verify proper brake pedal response. Inspect the hose routing to avoid contact with moving parts or sharp edges.

Quality Assurance and Warranty

Dorman manufactures the H621138 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 durability and resistance to common brake system stresses. 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 repairs.