Dorman H621542 Brake Hydraulic Hose - Rear Left or Rear Right

Durable Brake Hydraulic Hose for GM Trucks and SUVs

The Dorman H621542 brake hydraulic hose is engineered to provide reliable brake fluid transfer for select Cadillac, Chevrolet, and GMC models. Designed with quality materials and precise fitment, this flexible brake hose ensures consistent braking performance for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 2500 HD.

• Compatible with Cadillac Escalade, Chevrolet Silverado, GMC Sierra, and more
• Flexible EPDM rubber hose with black rubber outer sleeve
• Includes stamped steel bracket and gaskets for secure installation
• End fittings made of treated steel: banjo fitting on one end, female fitting on the other
• Overall length of 17 inches with 14.38-inch axis length for proper fitment

Product Features and Specifications

This Dorman brake hydraulic hose (part number H621542) features a flexible EPDM rubber hose material that resists heat and brake fluid degradation. The black rubber outer sleeve adds protection against abrasion and environmental exposure. The hose includes a stamped steel bracket and gaskets to ensure a secure and leak-free connection. The end fittings are constructed from treated steel, with a banjo fitting on one end (10 mm thread diameter) and a female fitting on the other (3/8 in-24 inside diameter), providing compatibility with original equipment brake systems.

Compatible Vehicles and Applications

This brake hydraulic hose is compatible with a range of GM trucks and SUVs, including:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 2500, Silverado 1500 (Classic and HD), Silverado 2500 (Classic and HD), Silverado 3500 (Classic)
• GMC Sierra 1500 (Classic and HD), Sierra 2500 (Classic and HD), Sierra 3500 (Classic)
• Suburban 2500 and Yukon XL 2500

Common Issues Addressed by This Brake Hose

• Brake fluid leaks due to cracked or worn hoses
• Reduced braking performance from damaged or deteriorated brake lines
• Corrosion or damage to original brake hose fittings
• Vibration or noise caused by loose or missing mounting brackets
• Brake system failure risks from compromised hydraulic hose integrity

Installation Notes and Tips

Installation of the Dorman H621542 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 correct hose routing. Verify thread sizes and fitting types match your vehicle’s brake system before installation. Professional installation is recommended for safety and performance compliance.

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for durability and fitment. The treated steel fittings and EPDM rubber hose material provide resistance to corrosion and brake fluid exposure. This part is backed by Dorman’s standard warranty coverage, ensuring reliable performance when installed according to manufacturer guidelines.