Cardone 18-B4939 Disc Brake Caliper - Front Left

Overview of Cardone Unloaded Caliper w/Bracket 18-B4939

The Cardone Unloaded Caliper w/Bracket 18-B4939 is a remanufactured disc brake caliper designed for reliable braking performance. Engineered to fit Chevrolet, GMC, Isuzu, and Pontiac models including the Canyon, Colorado, G6, i-280, i-290, i-350, and i-370, this caliper offers a precise fit and durable construction.

• Remanufactured disc brake caliper with phenolic pistons
• Includes caliper, bracket, and hardware kit for installation
• Brake caliper finish: oil emulsion with gray color
• Bleeder and inlet port size: M10x1.5 for compatibility
• Two 1.788 inch (45.4152 mm) phenolic pistons for effective braking
• 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 delivering a ready-to-mount assembly, designed to meet original equipment specifications. The 18-B4939 part is part of this line, ensuring compatibility and ease of replacement for specific Chevrolet, GMC, Isuzu, and Pontiac vehicles.

Technical Description and Features

This disc brake caliper features phenolic pistons, which help reduce heat transfer and corrosion compared to steel pistons. The caliper’s oil emulsion finish in gray provides corrosion resistance and durability. The bleeder and inlet ports are sized M10x1.5, matching OEM specifications for proper brake fluid flow. The package includes the caliper, bracket, and a hardware kit, though mounting bolts are not included. The caliper uses silicone grease on floating caliper mounting pins to ensure smooth operation and prevent seizing.

Common Applications and Problem Solving

• Replaces worn or leaking calipers on Chevrolet Canyon and Colorado models
• Restores braking performance on GMC Canyon and Isuzu i-280, i-290, i-350, and i-370 vehicles
• Addresses symptoms such as low brake pedal caused by air in the brake system
• Eliminates brake squeal related to caliper issues
• Corrects vehicle pull to one side during braking due to caliper malfunction

Installation Notes and Tips

When installing the Cardone 18-B4939 caliper, always use the included hardware kit for secure mounting. Apply silicone grease to the floating caliper mounting pins to maintain smooth caliper movement. Use the brake fluid type recommended by the vehicle manufacturer, typically DOT 3 or DOT 4. Bleed the brake system thoroughly to remove any air and ensure proper pedal feel. Note that mounting bolts are not included and must be reused or sourced separately.

Quality Assurance and Warranty

This remanufactured caliper undergoes rigorous testing to meet OEM standards for fit, form, and function. Cardone provides a limited warranty covering defects in materials and workmanship, ensuring dependable performance for your Chevrolet, GMC, Isuzu, or Pontiac vehicle. The 18-B4939 part number is backed by Cardone’s commitment to quality in brake hydraulics components.