Cardone 18-B4639 Disc Brake Caliper - Front Right

Overview of Cardone Unloaded Caliper w/Bracket 18-B4639

The Cardone Unloaded Caliper w/Bracket 18-B4639 is a remanufactured disc brake caliper designed for select Buick, Oldsmobile, and Pontiac models. Engineered with a steel piston and an oil emulsion finish, this caliper ensures reliable braking performance and corrosion resistance for vehicles like the Buick LeSabre and Pontiac Grand Prix.

• Remanufactured disc brake caliper with bracket and hardware kit included
• Steel piston with a 2.497 inch (63.42 mm) outer diameter
• Oil emulsion gray finish for enhanced durability
• Bleeder and inlet port size: M10x1.5
• Installation hardware included; mounting bolts not included
• Compatible with Buick, Oldsmobile, and Pontiac models including Bonneville, Century, Intrigue, and Regal

Product Line Details: Unloaded Caliper w/Bracket

The Cardone Unloaded Caliper w/Bracket product line provides remanufactured calipers that come complete with the mounting bracket and necessary hardware kit for installation. This line is designed to simplify brake system repairs by offering a ready-to-install caliper assembly, excluding brake pads. The 18-B4639 part number belongs to this line, ensuring compatibility and ease of installation for specific GM vehicles.

Technical Description and Features

This Cardone disc brake caliper features a single steel piston measuring 2.497 inches in diameter, providing consistent hydraulic pressure for effective braking. The caliper is finished with an oil emulsion coating in gray, which helps resist corrosion and wear over time. Both the bleeder and inlet ports are sized M10x1.5, matching original equipment specifications for proper brake fluid flow. The package includes the caliper, bracket, and a hardware kit, though mounting bolts are not included. This remanufactured caliper is designed to meet or exceed OEM standards for fit and function on compatible Buick, Oldsmobile, and Pontiac vehicles.

Common Applications and Problem Solving

• Replaces worn or leaking calipers on Buick LeSabre, Pontiac Grand Prix, and Oldsmobile Intrigue
• Addresses symptoms such as low brake pedal caused by air in the brake system
• Resolves uneven braking or vehicle pull to one side during braking
• Eliminates brake squeal related to caliper hardware or piston issues
• Restores proper brake fluid flow and pressure with correct bleeder port size

Installation Notes and Tips

When installing the Cardone 18-B4639 caliper, use the included hardware kit for secure mounting. Note that mounting bolts are not included and should be reused or replaced as needed. It is recommended to apply silicone grease on floating caliper mounting pins to ensure smooth operation. Always use the brake fluid type specified by the vehicle manufacturer, typically DOT 3 or DOT 4. Bleed the brake system thoroughly to remove any air and restore proper pedal feel.

Quality Assurance and Warranty

This remanufactured caliper undergoes rigorous testing to meet OEM specifications for performance and durability. Cardone provides a limited warranty covering defects in materials and workmanship, ensuring confidence in the product's reliability. The 18-B4639 part number is backed by Cardone's quality standards for brake hydraulics components compatible with Buick, Oldsmobile, and Pontiac vehicles.