Dorman H621218 Brake Hydraulic Hose - Rear Left or Rear Right

Reliable Brake Hydraulic Hose for Volvo C30, C70, S40, and V50

The Dorman H621218 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Volvo models. Engineered with durable materials, this flexible hose ensures consistent braking performance and safety.

• Compatible with Volvo C30, C70, S40, and V50 models
• Overall length of 16.25 inches for precise fitment
• Constructed with EPDM rubber hose material and a rubber outer sleeve
• Ends feature treated steel fittings: male (End 1) and female (End 2) with M10 x 1.0 thread diameter
• Includes protective jacket for added durability
• Does not include mounting hardware, brackets, or gaskets

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H621218) is built with EPDM rubber, known for its 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 are equipped with treated steel fittings—male on one end and female on the other—ensuring secure connections to the brake system. The hose length of 16.25 inches is tailored to fit Volvo C30, C70, S40, and V50 models, providing a direct replacement without modification. A protective jacket is included to enhance hose longevity under demanding conditions.

Common Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses causing fluid leaks
• Addresses brake pressure loss due to hose deterioration
• Eliminates brake pedal sponginess from hose expansion or damage
• Restores proper brake fluid flow for consistent braking response
• Prevents contamination and corrosion within the brake system

Installation Notes and Tips

When installing the Dorman H621218 brake hydraulic hose, ensure the vehicle is securely lifted and the brake system is depressurized. Use appropriate tools to remove the old hose fittings carefully to avoid damage to brake lines. Verify the thread size (M10 x 1.0) matches the vehicle’s brake line fittings. Since mounting hardware and brackets are not included, reuse existing components if they are in good condition or source replacements separately. After installation, bleed the brake system thoroughly to remove air and confirm proper brake function before driving.

Quality Assurance and Warranty Information

Dorman manufactures the H621218 brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of treated steel fittings and EPDM rubber materials ensures durability and resistance to common brake system stresses. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.