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BBB Industries 99-02129B Disc Brake Caliper - Rear Left
| Brand | BBB Industries 99-02129B |
|---|---|
| Position | Rear Left |
| Pads Included | No |
| Caliper Slides Included | Yes |
| Casting Material | Aluminum |
| Inlet Fitting Type | Plug |
| Caliper Color | Gray |
| Piston Material | Steel |
| Anti-Squeal Shims Included | No |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bleeder Screw Size | M10-1.0 x 33 |
| Bleeder Screw Thread (mm) | M10-1.0 |
| Bleeder Thread Size | M10-1.0 |
| Bracket Included | Yes |
| Bracket Mounting Bolts Included | No |
| Caliper And Pad Hardware Included | No |
| Caliper Finish | Rust preventative |
| Dust Boots Included | Yes |
| Hardware Included | Yes |
| Housing Cast Numbers | 8395, trw |
| Inlet Port Thread Size (mm) | M10-1.0 |
| Inlet Thread Size | M10-1.0 |
| New or Remanufactured | Remanufactured |
| Package Contents | Includes brake pad installation hardware w/ banjo bolt & copper c |
| Piston 1 Diameter (mm) | 43 |
| Piston Outside Diameter (in) | 2 |
| Piston Outside Diameter (mm) | 43 |
| Piston Quantity | 1 |
| Wear Sensors Included | No |
| Product line | Reman Caliper w/ Installation Hardware |
| Fits | Audi · 7 vehicles |
Remanufactured caliper. Includes installation hardware for a ready-to-install replacement.
Aluminum casting. Lightweight construction with a rust-preventative finish.
Complete hardware set. Includes slides, bracket, bleeder screw, and dust boots.
Rear Left Reman Caliper for Audi A8 Quattro
BBB Industries 99-02129B is a remanufactured disc brake caliper for the rear left position on select 2004-2010 Audi A8 Quattro models. It is built with an aluminum casting, a steel piston, and a gray rust-preventative finish for service replacement use.
This BBB Industries Reman Caliper w/ Installation Hardware line focuses on remanufactured brake hydraulics with application-specific hardware details. For this part, the caliper includes a mounting bracket, caliper slides, dust boots, a bleeder screw, and brake pad installation hardware with banjo bolt and copper crush washers where applicable.
Key Features
- Fits 2004-2010 Audi A8 Quattro, rear left
- Remanufactured disc brake caliper with aluminum housing
- 43 mm steel piston for rear brake service
- Includes caliper slides, bracket, dust boots, and bleeder screw
- Gray rust-preventative finish
- M10-1.0 inlet and bleeder thread specification
- Part number 99-02129B for catalog and service lookup
Detailed Description
BBB Industries 99-02129B is a rear left brake caliper assembly for Audi A8 Quattro applications from 2004 through 2010. The remanufactured design restores the caliper housing and internal components to service-ready condition, while the aluminum casting helps keep the assembly lightweight. The single 43 mm steel piston, included bleeder screw, and supplied bracket support a direct replacement for the original rear brake hardware on the specified vehicle range.
For buyers searching for a rear left Audi A8 Quattro brake caliper, 99-02129B provides the key hydraulic and mounting details needed for a proper match. The part number 99-02129B is also useful when cross-checking brake service records or ordering by catalog reference.
What This Part Helps Address
- Brake fluid leakage at the caliper body or piston seal area
- Uneven rear braking on the left side
- Sticking or seized caliper piston movement
- Corrosion on the original rear brake caliper assembly
- Brake drag or inconsistent pedal response from a worn hydraulic unit
Installation Notes and Tips
Verify rear left placement, inlet thread size, and bleeder screw thread before installation. This caliper uses an M10-1.0 inlet port thread and an M10-1.0 bleeder thread, with a plug-style inlet fitting. The package contents note brake pad installation hardware with banjo bolt and copper crush washers where applicable, so confirm the vehicle’s brake line connection and reuse requirements during service. Bleed the brake system after installation and inspect the bracket, slides, and dust boots for proper seating.
Quality Assurance
This BBB Industries remanufactured caliper is built for brake system service on the listed Audi A8 Quattro applications and is finished with rust preventative coating for added corrosion resistance in normal use. Part number 99-02129B is identified for rear left fitment on 2004-2010 Audi A8 Quattro models.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Audi | A8 Quattro | 4.2L | V8 | Rear Left | Supplied with mounting bracket, supplied without parking brake motor.; Reman Caliper w/ Installation Hardware |
| 2009 | Audi | A8 Quattro | 4.2L | V8 | Rear Left | Supplied with mounting bracket, supplied without parking brake motor.; Reman Caliper w/ Installation Hardware |
| 2008 | Audi | A8 Quattro | 4.2L | V8 | Rear Left | Supplied with mounting bracket, supplied without parking brake motor.; Reman Caliper w/ Installation Hardware |
| 2007 | Audi | A8 Quattro | 4.2L | V8 | Rear Left | Supplied with mounting bracket, supplied without parking brake motor.; Reman Caliper w/ Installation Hardware |
| 2006 | Audi | A8 Quattro | 4.2L | V8 | Rear Left | Supplied with mounting bracket, supplied without parking brake motor.; Reman Caliper w/ Installation Hardware |
| 2005 | Audi | A8 Quattro | 4.2L | V8 | Rear Left | Supplied with mounting bracket, supplied without parking brake motor.; Reman Caliper w/ Installation Hardware |
| 2004 | Audi | A8 Quattro | — | — | Rear Left | Supplied with mounting bracket, supplied without parking brake motor.; Reman Caliper w/ Installation Hardware |
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