Dynamite Friction 900-63107 Disc Brake Rotor - Rear

Rear Disc Brake Rotor for Mercedes-Benz and INFINITI

The Dynamite Friction DFC Hi-Carbon Alloy GEOMET Coated Rotor, part number 900-63107, is a solid rear disc brake rotor built for select Mercedes-Benz and INFINITI applications. It is sized with a 295 mm outside diameter, 44 mm height, 10 mm nominal thickness, and 8.3 mm discard thickness for direct rear brake service on listed vehicles.

The DFC Hi-Carbon Alloy GEOMET Coated Rotor line focuses on corrosion-resistant rotor protection and consistent brake service fitment. This rear rotor is specified for vehicles such as the Mercedes-Benz GLA250, CLA250, GLA200, B250e, B Electric Drive, and INFINITI QX30 where the rear brake configuration matches the listed application details.

Key Features

• Part number 900-63107 rear disc brake rotor
• Solid rotor design for rear axle applications
• 295 mm outside diameter with 44 mm overall height
• 10 mm nominal thickness and 8.3 mm discard thickness
• 5-bolt hole pattern with 15.1 mm bolt hole diameter
• 67 mm inside diameter for listed vehicle fitment
• GEOMET coated surface for added rotor protection

Detailed Description

This brake rotor is engineered for rear brake replacement on select compact Mercedes-Benz and INFINITI platforms. Fits 2015-2020 Mercedes-Benz GLA250, rear; Fits 2017-2019 INFINITI QX30, rear; Fits 2016-2019 Mercedes-Benz CLA250, rear; Fits 2016-2017 Mercedes-Benz B250e, rear; Fits 2014-2016 Mercedes-Benz GLA200, rear; Fits 2014-2015 Mercedes-Benz B Electric Drive, rear; and Fits 2014 Mercedes-Benz GLA250, rear. The part number 900-63107 is the correct reference to verify against your rear brake setup before ordering.

This rotor is a direct-fit style replacement for vehicles listed with rear solid disc brake configurations, including Mercedes-Benz CLA250 rear applications with and without Sport Package notes, plus INFINITI QX30 rear applications noted for perforated front disc or standard front disc configurations. The DFC Hi-Carbon Alloy GEOMET Coated Rotor construction supports clean service replacement where rear rotor dimensions and bolt pattern must match the original equipment layout.

Common Brake Issues It Can Address

• Rear rotor wear that has reached discard thickness
• Brake pulsation caused by rotor surface variation
• Corrosion on the rotor face or hat area
• Noise from worn or uneven rear brake rotors
• Reduced braking consistency from out-of-spec rear discs

Installation Notes and Tips

Confirm rear axle fitment by matching the vehicle year, make, model, and brake configuration to the listed applications before installation. Verify outside diameter, thickness, bolt hole quantity, and center dimensions against the original rotor to ensure proper rear brake alignment. For best results, inspect pads, caliper hardware, and hub condition during rotor replacement, and clean the hub mounting surface before installing the new rotor.

Quality Assurance

Part number 900-63107 is part of the Dynamite Friction DFC Hi-Carbon Alloy GEOMET Coated Rotor line, which uses a coated rotor finish to help maintain service condition in demanding brake environments. This rotor is specified for the listed Mercedes-Benz and INFINITI rear applications and should be matched to the vehicle’s brake package and rear disc configuration.