Dorman H621654 Brake Hydraulic Hose - Rear Left

Reliable Brake Hydraulic Hose for Buick, Cadillac, and Chevrolet

The Dorman H621654 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Buick, Cadillac, and Chevrolet models. Engineered with durable materials and precise fittings, this flexible brake hose ensures consistent braking performance and safety.

• Compatible with Buick Cascada, Cadillac ELR, Chevrolet Cruze, Cruze Limited, Verano, and Volt
• Constructed with EPDM rubber hose material and a black rubber outer sleeve for durability
• Includes stamped steel bracket and gaskets for secure installation
• Features treated steel banjo fitting (End 1) and female fitting (End 2) with M10 x 1.0 thread diameter
• Overall length of 26.18 inches with a flexible design for optimal fitment

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621654) 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. The hose includes a stamped steel bracket and gaskets to ensure a secure and leak-free connection. Both ends feature treated steel fittings: a banjo fitting on one end and a female fitting on the other, designed to meet OEM specifications. With an overall length of 26.18 inches and a 10 mm thread diameter, this hose fits perfectly on compatible Buick, Cadillac, and Chevrolet vehicles.

Compatible Vehicle Applications

• Buick Cascada
• Cadillac ELR
• Chevrolet Cruze and Cruze Limited
• Chevrolet Verano
• Chevrolet Volt

Common Issues Addressed by This Brake Hose

• Brake fluid leaks due to cracked or worn hoses
• Reduced brake responsiveness from damaged or swollen hoses
• Corrosion or wear on fittings causing brake fluid loss
• Vibration or noise from loose or missing mounting brackets
• Brake system failure risks from deteriorated hose materials

Installation Notes and Tips

Installation of the Dorman H621654 brake hydraulic hose requires proper brake system bleeding to remove air after replacement. The included stamped steel bracket and gaskets should be installed securely to prevent leaks and ensure hose stability. Verify thread sizes and fitting types before installation to confirm compatibility. Professional installation is recommended to maintain brake system integrity and safety.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H621654 part undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.