OE Quality
60-Day Returns

Cardone 18-B4645 Disc Brake Caliper - Rear Right
Overview of Cardone Unloaded Caliper w/Bracket 18-B4645
The Cardone Unloaded Caliper w/Bracket 18-B4645 is a remanufactured disc brake caliper designed for reliable braking performance. Engineered to fit select Buick, Chevrolet, Oldsmobile, and Pontiac models, this caliper offers a precise fit and durable construction for vehicles like the Buick LaCrosse and Chevrolet Impala.
- Remanufactured disc brake caliper with steel piston
- Includes caliper, bracket, and hardware kit for installation
- Oil emulsion finish with gray caliper color for corrosion resistance
- Bleeder and inlet port size: M10x1.5 for compatibility with OEM brake lines
- Compatible with Buick Allure, Chevrolet Monte Carlo, Oldsmobile Intrigue, Pontiac Grand Prix, and more
Product Line Details: Unloaded Caliper w/Bracket
The Cardone Unloaded Caliper w/Bracket product line provides remanufactured calipers that come complete with mounting brackets and necessary hardware kits. This line is designed to simplify brake system repairs by including all essential components except brake pads, ensuring a streamlined installation process. The 18-B4645 model exemplifies this approach, offering a ready-to-install solution for various GM vehicles.
Technical Description and Features
This disc brake caliper features a single steel piston with an outer diameter of approximately 1.495 inches (37.973 mm), providing consistent braking force. The caliper’s oil emulsion finish and gray color help protect against rust and wear. It includes a bleeder port and inlet port sized M10x1.5, matching OEM specifications for brake fluid connections. The package contains the caliper, bracket, and a hardware kit, though mounting bolts and brake pads are not included. The caliper uses silicone grease on floating caliper mounting pins to ensure smooth operation and reduce noise.
Common Applications and Problem Solving
- Replaces worn or leaking calipers on Buick LaCrosse and Chevrolet Impala models
- Addresses symptoms of low brake pedal often caused by air in the brake system
- Helps resolve vehicle pulling to one side during braking
- Eliminates brake squeal related to caliper hardware or mounting issues
- Restores proper brake fluid flow and pressure with correct bleeder port size
Installation Notes and Tips
Installation of the Cardone 18-B4645 caliper requires proper brake fluid compatible with OEM recommendations, typically DOT 3 or DOT 4. Use the included hardware kit for mounting the caliper and bracket, but note that mounting bolts are not supplied. Applying silicone grease to the floating caliper mounting pins is recommended to prevent noise and ensure smooth caliper movement. Always bleed the brake system thoroughly after installation to remove air and restore pedal firmness.
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, supporting the reliability of the 18-B4645 caliper for Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Proper installation and maintenance are essential to maintain warranty coverage.
| Brand | Cardone |
|---|---|
| Part Number | 18-B4645 |
| Position | Unloaded Caliper w/Bracket, Rear Right |
| Bleeder Port Size | M10x1.5 |
| Brake Caliper Finish | Oil Emulsion |
| Caliper Color | Gray |
| E-Waste | No |
| Inlet Port Size | M10x1.5 |
| Installation Hardware Included | Yes |
| Mounting Bolts Included | No |
| Package Contents | Caliper; Bracket; Hardware Kit |
| Pads Included | No |
| Piston Material | Steel |
| Piston Size (OD) (in) | 1.495 |
| Piston Size (OD) (mm) | 37.973 |
| Product Condition | Remanufactured |
This part fits 45 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2009 | Buick | Allure | 5.3L | V8 | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket |
| 2009 | Buick | LaCrosse | 5.3L | V8 | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket |
| 2009 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2008 | Buick | Allure | 5.3L | V8 | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket |
| 2008 | Buick | LaCrosse | 5.3L | V8 | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket |
| 2008 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2007 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2007 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2006 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2006 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2005 | Buick | Century | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2005 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2005 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2004 | Buick | Century | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2004 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2004 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2004 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2003 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2003 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2003 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2003 | Pontiac | Grand Prix | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2002 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2002 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2002 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2002 | Oldsmobile | Intrigue | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2002 | Pontiac | Grand Prix | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2001 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2001 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2001 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2001 | Oldsmobile | Intrigue | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2001 | Pontiac | Grand Prix | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2000 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2000 | Chevrolet | Impala | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2000 | Chevrolet | Monte Carlo | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2000 | Oldsmobile | Intrigue | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 2000 | Pontiac | Grand Prix | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1999 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1999 | Oldsmobile | Intrigue | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1999 | Pontiac | Grand Prix | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1998 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1998 | Oldsmobile | Intrigue | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1998 | Pontiac | Grand Prix | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1997 | Buick | Regal | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket | ||
| 1997 | Pontiac | Grand Prix | Rear Right | Disc Brake Caliper with Metal Piston, Mounting Bracket, Standard Boots, and Installation Hardware.; Unloaded Caliper w/Bracket |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.