Rear Rotors

Fig 1: Rear Brake Rotor Comparison

Courtesy of DAIMLERCHRYSLER CORP.

1 - BRT BRAKE ROTOR

2 - STANDARD ROTOR THICKNESS
8.75-9.25 MM

3 - PERFORMANCE ROTOR THICKNESS
11.75-12.25 MM

4 - BR4 PERFORMANCE BRAKE ROTOR

5 - IDENTIFYING MACHINED AREA

There are two different size solid (non-vented) rear brake rotors available depending on brake application. Vehicles with the brake sales code BRT (Disc/Disc combination) use standard size rear brake rotors (1). Vehicles equipped with the brake sales code BR4 (Performance Disc/Disc combination) use heavier brake rotors (4). The BR4 rear brake rotor is approximately 3 mm thicker at the pad contact area (3) than the standard rear brake rotor (2). The BR4 brake rotors can be easily identified by the recessed machined area near the hub center (5).