Cardone 19-B1939 Disc Brake Caliper - Rear Left

Overview of Cardone Unloaded Caliper w/Bracket 19-B1939

The Cardone Unloaded Caliper w/Bracket 19-B1939 is a remanufactured disc brake caliper designed specifically for BMW 525i, 528i, 530i, and 540i models. Engineered to meet OEM specifications, this caliper features an oil emulsion finish and a gray color that resists corrosion and wear.

• Remanufactured disc brake caliper with bracket and hardware kit included
• Compatible with BMW 525i, 528i, 530i, and 540i models
• Single aluminum piston with a 39.93 mm outer diameter
• Bleeder and inlet port size: M10x1.0 for easy brake fluid maintenance
• Oil emulsion finish for enhanced durability and corrosion resistance
• Installation hardware included; mounting bolts not included

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. This setup simplifies installation by including all essential components except mounting bolts, ensuring a reliable fit and function for specific vehicle applications. The 19-B1939 part is part of this line, designed to restore braking performance on select BMW models.

Technical Description and Features

This disc brake caliper features a single aluminum piston measuring approximately 39.93 mm in diameter, which offers a balance of lightweight construction and effective heat dissipation. The caliper’s oil emulsion finish helps protect against rust and environmental damage. Both the bleeder port and inlet port are sized M10x1.0, compatible with standard brake lines and fittings. The gray color finish provides a neutral appearance that blends with most brake assemblies. This remanufactured caliper is designed to meet or exceed OEM standards, ensuring consistent braking performance and safety.

Common Applications and Problem Solving

• Replacement for worn or leaking calipers on BMW 525i, 528i, 530i, and 540i
• Addresses symptoms of low brake pedal often caused by air in the brake system
• Helps resolve uneven braking or vehicle pulling to one side during braking
• Eliminates brake squeal related to caliper malfunction or hardware issues
• Restores proper brake fluid flow and pressure for improved pedal feel

Installation Notes and Tips

Installation of the Cardone 19-B1939 caliper requires standard brake system tools and procedures. The included hardware kit facilitates mounting, but note that mounting bolts are not included and must be sourced separately. Use silicone grease on floating caliper mounting pins to ensure smooth operation. Always bleed the brake system thoroughly after installation to remove air and maintain proper pedal height. Use the brake fluid type recommended by the vehicle manufacturer, typically DOT 3 or DOT 4.

Quality Assurance and Warranty

This remanufactured caliper undergoes rigorous testing to meet OEM performance standards. Cardone provides a limited warranty covering defects in materials and workmanship, ensuring reliability and peace of mind. The product is designed to comply with environmental standards, though it is not classified as e-waste.