Cardone 19-B1139 Disc Brake Caliper - Front Left

Overview of Cardone Unloaded Caliper w/Bracket 19-B1139

The Cardone Unloaded Caliper w/Bracket 19-B1139 is a remanufactured disc brake caliper designed specifically for select BMW models including the 318i, 318is, 325e, 325es, 325i, 325is, and 325iX. Engineered with a steel piston and finished with an oil emulsion coating, this caliper offers reliable braking performance and corrosion resistance.

• Remanufactured disc brake caliper with bracket and hardware kit included
• Steel piston with a 48.08 mm outer diameter for consistent braking force
• Oil emulsion finish in gray for enhanced durability
• Bleeder port size M7x1.0 and inlet port size M10x1.0 for precise hydraulic connections
• 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 compatibility and ease of replacement for brake hydraulics on compatible vehicles. The unloaded design means the caliper does not include brake pads, allowing for customization or reuse of existing pads.

Technical Description and Features

This disc brake caliper features a single steel piston with a diameter of 48.0822 mm, providing reliable and consistent braking pressure. The caliper is coated with an oil emulsion finish in gray, which helps protect against corrosion and wear. The bleeder port is sized M7x1.0, and the inlet port is M10x1.0, matching OEM specifications for proper brake fluid flow. The caliper is remanufactured to meet strict quality standards and includes a hardware kit for installation, though mounting bolts are not included.

Common Applications and Problem Solving

• Replacement for worn or leaking calipers on BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX models
• Addresses symptoms such as low brake pedal caused by air in the brake system
• Helps resolve uneven braking or vehicle pulling to one side during braking
• Eliminates brake squeal issues related to caliper malfunction
• Restores proper brake hydraulics function for improved safety and performance

Installation Notes and Tips

When installing the Cardone 19-B1139 caliper, use the included hardware kit for mounting the caliper and bracket. Note that mounting bolts are not included and must be sourced separately. It is recommended to use the brake fluid type specified by the vehicle manufacturer, typically DOT 3 or DOT 4. Applying silicone grease on floating caliper mounting pins can help ensure smooth operation. Always bleed the brake system thoroughly to remove air and restore proper pedal feel.

Quality Assurance and Warranty

This remanufactured caliper undergoes rigorous testing to meet OEM standards for fit, form, and function. Cardone provides a warranty on this part to cover defects in materials and workmanship, ensuring dependable performance for your BMW brake system. Using this caliper helps maintain the integrity of your vehicle’s brake hydraulics with a reliable replacement component.