Beck Arnley 083-3804 Disc Brake Rotor - Front

Beck Arnley 083-3804 Front Brake Rotor

The Beck Arnley 083-3804 is a premium front disc brake rotor built for select Mercedes-Benz applications. It is an OE-style replacement for foreign nameplates, with attention to form, fit, and function for a direct-service brake repair.

• Premium-grade front disc brake rotor
• X-drilled surface type for performance-oriented braking applications
• Vented rotor design for front axle heat management
• 330 mm outside diameter, 30 mm rotor thickness, 28.4 mm minimum thickness
• 5 lug holes with 112 mm bolt hole center-to-center length
• 67 mm center bore inside diameter and 166 mm hub outside diameter
• Direct replacement focus for OE-style fitment on foreign vehicles

OE-Style Fitment and Construction

Beck Arnley 083-3804 is engineered as a direct replacement rotor for select Mercedes-Benz front brake applications. The vented, X-drilled design supports front braking performance, while the dimensional specs help maintain proper rotor alignment and wheel-end fit. This part is listed for 2020-2026 Mercedes-Benz CLA250, front, Premium Vented; Sport Package; 2021-2025 Mercedes-Benz GLA250, front, Premium Vented; Sport Package; 2020-2025 Mercedes-Benz GLB250, front, Premium Vented; Sport Package; and 2019-2022 Mercedes-Benz A220, front, AMG Package; Premium Vented. Beck Arnley 083-3804 is built to match OE requirements for the specified applications.

This part cross-references no listed interchange part numbers for the same application.

What This Rotor Helps Address

• Front brake pulsation caused by worn or uneven rotor surfaces
• Reduced braking consistency from rotor wear below service limits
• Heat buildup in front brake service on vented rotor applications
• Fitment issues when replacing an OE-style Mercedes-Benz front rotor
• Brake service needs on CLA250, GLA250, GLB250, and A220 front axle applications

Installation Notes and Tips

Verify rotor thickness before installation and replace the rotor if it is at or below the 28.4 mm minimum thickness. Confirm the vehicle uses the listed front, Premium Vented or AMG Package application before ordering. Clean the hub mounting surface thoroughly and inspect pads, caliper hardware, and wheel-end components during brake service to help ensure smooth operation.

Quality Assurance

Beck Arnley sources parts through a global network and specifies them to meet OE-quality requirements for foreign vehicle applications. The brand’s product approach emphasizes direct replacement fit, consistent dimensions, and dependable performance for the listed Mercedes-Benz models.