Cardone Ultra 18-P4644A Disc Brake Caliper - Rear Left

Overview of Cardone Ultra Caliper 18-P4644A

The Cardone Ultra Caliper 18-P4644A is a remanufactured disc brake caliper designed for select Buick, Oldsmobile, and Pontiac models. Engineered with a powder-coated silver finish and a steel piston, this caliper offers reliable brake hydraulics performance for vehicles like the Buick Rendezvous and Pontiac Montana.

• Remanufactured disc brake caliper with steel piston
• Powder-coated silver finish for corrosion resistance
• Includes caliper, bracket, and 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: Cardone Ultra Caliper

The Ultra Caliper line from Cardone focuses on remanufactured brake calipers that meet or exceed original equipment specifications. This product line emphasizes durability and precise fitment, making it suitable for vehicles requiring dependable brake hydraulics components. The 18-P4644A caliper benefits from this line’s quality control and attention to detail, ensuring consistent braking performance for compatible Buick, Oldsmobile, and Pontiac models.

Detailed Product Description

This Cardone Ultra Caliper 18-P4644A features a single steel piston designed to provide consistent braking force. The caliper is finished with a powder-coated silver surface to resist corrosion and wear over time. It includes a bleeder port and inlet port sized M10x1.5, which matches OEM specifications for proper brake fluid flow and maintenance. The package contains the caliper, mounting bracket, and a hardware kit, although mounting bolts are not included. This caliper does not come with brake pads and is intended for vehicles such as the Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, and Rendezvous.

Common Applications and Issues Addressed

• Replacement for worn or leaking calipers on Buick, Oldsmobile, and Pontiac models
• Resolves brake pedal issues caused by caliper malfunction
• Addresses uneven braking or vehicle pull during braking
• Eliminates brake squeal related to caliper hardware wear
• Restores proper brake fluid pressure and pedal feel

Installation Notes and Tips

Installation of the 18-P4644A caliper should follow OEM guidelines. Use the included hardware kit for mounting, but note that mounting bolts are not supplied. It is recommended to use silicone grease on floating caliper mounting pins to ensure smooth operation. Always use the brake fluid type specified by the vehicle manufacturer, typically DOT 3 or DOT 4. 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 the Ultra Caliper line, covering defects in materials and workmanship. This ensures that the 18-P4644A caliper delivers reliable braking performance for Buick, Oldsmobile, and Pontiac vehicles.