ACDelco 18K6858B Front Brake Cylinder Bleeder Screw

The ACDelco 18K6858B Front Brake Cylinder Bleeder Screw is a premium aftermarket replacement bleeder screw engineered to meet or exceed original equipment specifications for fit, form, and function. Part of the ACDelco Gold (formerly ACDelco Professional) line, this brake bleeder screw is designed for reliable performance across a wide range of domestic vehicle applications.

Key Features:

• DOT Approved for safe, compliant brake system servicing
• Hex head drive for easy installation and removal with standard tools
• Bronze construction for corrosion resistance in demanding brake environments
• 3/8-24 thread size ensures precise fitment and a leak-free seal
• 3.62-inch length for correct positioning on the brake cylinder
• No cap included — bleeder screw only
• Manufactured to meet General Motors specifications and compatible with most makes and models
• OEM cross-reference: 19383062

The ACDelco Gold line delivers the dependability and quality expected from a brand backed by General Motors. This bleeder screw is a direct-fit replacement, making brake bleeding and maintenance straightforward for professional technicians and DIY mechanics alike.