Cardone 18-B4638 Disc Brake Caliper - Front Left

Overview of Cardone Unloaded Caliper w/Bracket 18-B4638

The Cardone Unloaded Caliper w/Bracket 18-B4638 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 such as Bonneville, Century, Intrigue, and Regal

Product Line Details: Unloaded Caliper w/Bracket

The Cardone Unloaded Caliper w/Bracket product line offers remanufactured calipers that come complete with the mounting bracket and necessary hardware kit for installation. This line is designed to provide a direct replacement solution for disc brake calipers, simplifying the installation process by including all essential components except mounting bolts. The 18-B4638 model fits a range of GM vehicles, ensuring compatibility and ease of maintenance.

Technical Description and Features

This Cardone disc brake caliper features a single steel piston measuring 2.497 inches in diameter, providing consistent braking force. The caliper is finished with an oil emulsion coating in gray, which helps resist corrosion and wear over time. Both the bleeder port and inlet port are sized M10x1.5, matching original equipment specifications. The package includes the caliper, bracket, and a hardware kit, though brake pads and mounting bolts are not included. The caliper uses silicone grease on floating caliper mounting pins to ensure smooth operation and reduce noise.

Common Applications and Problem Solving

• Replaces worn or leaking calipers on Buick LeSabre, Pontiac Grand Prix, and Oldsmobile Intrigue
• Addresses symptoms of low brake pedal often caused by air in the brake system
• Helps resolve vehicle pulling to one side during braking
• Eliminates brake squeal related to caliper hardware or mounting issues
• Restores proper brake hydraulics function in compatible GM models

Installation Notes and Tips

When installing the Cardone 18-B4638 caliper, use the included hardware kit for secure mounting. Note that mounting bolts are not included and must be sourced separately if needed. Always use the brake fluid type recommended by the original equipment manufacturer, typically DOT 3 or DOT 4. Applying silicone grease to the floating caliper mounting pins is advised to prevent noise and ensure smooth caliper movement. 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 or exceed OEM standards for fit, form, and function. Cardone provides a limited warranty covering defects in materials and workmanship, supporting the reliability of the 18-B4638 caliper for Buick, Oldsmobile, and Pontiac vehicles. Proper installation and maintenance are essential to ensure optimal performance and longevity.