Cardone 18-B4645A Disc Brake Caliper - Rear Right

Overview of Cardone Unloaded Caliper w/Bracket 18-B4645A

The Cardone Unloaded Caliper w/Bracket 18-B4645A 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 for vehicles like the Buick Rendezvous and Pontiac Montana.

• Remanufactured disc brake caliper with bracket included
• Steel piston with 1.495 inch (37.973 mm) outer diameter
• Oil emulsion gray finish for corrosion resistance
• Includes installation hardware kit (mounting bolts not included)
• Bleeder and inlet port size: M10x1.5
• Compatible with Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, and Rendezvous

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 without brake pads, allowing for flexibility in pad selection. The 18-B4645A 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 1.495 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 extends service life. Both the bleeder and inlet ports are sized M10x1.5, matching original equipment specifications. 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 reduce noise.

Common Applications and Problem Resolution

• Replaces worn or leaking calipers on Buick Aztek and Rendezvous models
• Restores braking performance on Oldsmobile Silhouette vehicles
• Addresses brake pedal issues caused by caliper malfunction
• Eliminates uneven braking or vehicle pull during stops
• Resolves squealing noises related to caliper hardware and lubrication

Installation Notes and Tips

When installing the Cardone 18-B4645A caliper, use the included hardware kit for proper mounting. Note that mounting bolts are not supplied and must be reused or replaced separately. Always apply silicone grease to the floating caliper mounting pins to prevent noise and ensure smooth caliper movement. Follow original equipment manufacturer recommendations for brake fluid type and bleeding procedures to avoid low brake pedal symptoms caused by air in the system.

Quality Assurance and Warranty

This remanufactured caliper meets or exceeds original equipment standards for fit, form, and function. Cardone provides a limited warranty covering defects in materials and workmanship. The caliper is tested to ensure reliable performance and durability for the specified Buick, Oldsmobile, and Pontiac models.