OE Quality
60-Day Returns

BBB Industries 99-01631B Disc Brake Caliper - Rear Left
Overview of BBB Industries Reman Caliper for Lexus RX300
The BBB Industries Reman Caliper w/ Installation Hardware (part number 99-01631B) is designed specifically for the Lexus RX300. This remanufactured disc brake caliper offers reliable braking performance with included installation hardware to facilitate a straightforward replacement process.
- Remanufactured cast iron disc brake caliper
- Includes caliper slides, bracket, bleeder screw, and installation hardware
- Steel piston with a 40mm diameter for consistent braking force
- Gray rust preventative finish for corrosion resistance
- Compatible with Lexus RX300 models
- Banjo bolt inlet fitting with M10-1.0 thread size
- Includes dust boots to protect internal components
Detailed Features and Specifications
This remanufactured caliper from BBB Industries is constructed from durable cast iron, ensuring long-lasting strength and heat resistance. The caliper features a single steel piston with a 40mm diameter (approximately 1.5 inches), providing reliable hydraulic pressure for effective braking. The gray rust preventative finish helps protect the caliper from corrosion, extending its service life.
The caliper includes essential components such as caliper slides, a mounting bracket, and a bleeder screw (M7-1.0 x 32) to facilitate proper brake fluid bleeding. The inlet fitting uses a banjo bolt with an M10-1.0 thread size, compatible with the brake lines on the Lexus RX300. Dust boots are included to shield the piston and internal seals from dirt and moisture, maintaining optimal performance.
About the Reman Caliper w/ Installation Hardware Product Line
The Reman Caliper w/ Installation Hardware line by BBB Industries focuses on providing remanufactured brake calipers that come complete with necessary installation hardware. This approach simplifies the replacement process by including components such as caliper slides, brackets, and bleeder screws, reducing the need to source additional parts. This product line is engineered to meet or exceed OEM specifications, offering a cost-effective solution for brake system repairs on vehicles like the Lexus RX300.
Common Applications and Problem Resolution
- Replacement for leaking or seized brake calipers on Lexus RX300
- Restores proper brake fluid pressure and pedal feel
- Eliminates uneven brake pad wear caused by caliper malfunction
- Addresses brake noise related to caliper slide issues
- Prevents brake fluid leaks from damaged or corroded caliper components
Installation Notes and Tips
When installing the BBB Industries 99-01631B caliper on a Lexus RX300, ensure the brake system is properly bled using the included bleeder screw to remove air from the hydraulic lines. Verify that the caliper slides are clean and lubricated to allow smooth movement. Use the provided bracket and hardware for secure mounting, but note that mounting bolts are not included and must be sourced separately. Inspect dust boots for proper seating to prevent contamination.
Quality Assurance and Warranty
This remanufactured caliper undergoes rigorous testing to meet OEM standards for fit, form, and function. The rust preventative finish and inclusion of key hardware components contribute to reliable operation. While specific warranty details are not provided, BBB Industries typically offers limited warranties on remanufactured brake components to ensure customer confidence in product durability and performance.
| Brand | BBB Industries |
| Part Number | 99-01631B |
| Position | Reman Caliper w/ Installation Hardware, Rear Left |
| Anti-Squeal Shims Included | No |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bleeder Screw Size | M7-1.0 x 32 |
| Bleeder Screw Thread (mm) | M7-1.0 |
| Bleeder Thread Size | M7-1.0 |
| Bracket Included | Yes |
| Bracket Mounting Bolts Included | No |
| Caliper And Pad Hardware Included | No |
| Caliper Color | Gray |
| Caliper Finish | Rust Preventative |
| Caliper Slides Included | Yes |
| Casting Material | Cast Iron |
| Dust Boots Included | Yes |
| Hardware Included | Yes |
| Housing Cast Numbers | 40-10, L |
| Inlet Fitting Type | Banjo Bolt |
| Inlet Port Thread Size (mm) | M10-1.0 x 27.32 |
| Inlet Thread Size | M10-1.0 |
| New or Remanufactured | Remanufactured |
| Package Contents | Includes Brake Pad Installation Hardware W/ Banjo Bolt & Copper Crush Washers - Where Applicable |
| Pads Included | No |
| Piston 1 Diameter (mm) | 40 |
| Piston Material | Steel |
| Piston Outside Diameter (in) | 1 |
| Piston Outside Diameter (mm) | 38 |
| Wear Sensors Included | No |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Lexus | RX300 | Rear Left | Prior to purchase, ensure compatibility of this disc brake caliper bracket with your vehicle.; Reman Caliper w/ Installation Hardware |
| 2002 | Lexus | RX300 | Rear Left | Prior to purchase, ensure compatibility of this disc brake caliper bracket with your vehicle.; Reman Caliper w/ Installation Hardware |
| 2001 | Lexus | RX300 | Rear Left | Prior to purchase, ensure compatibility of this disc brake caliper bracket with your vehicle.; Reman Caliper w/ Installation Hardware |
| 2000 | Lexus | RX300 | Rear Left | Prior to purchase, ensure compatibility of this disc brake caliper bracket with your vehicle.; Reman Caliper w/ Installation Hardware |
| 1999 | Lexus | RX300 | Rear Left | Prior to purchase, ensure compatibility of this disc brake caliper bracket with your vehicle.; Reman Caliper w/ Installation Hardware |
* 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.