Centric 320.35149H Disc Brake Rotor - Rear

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotor 320.35149H offers reliable braking performance for select INFINITI and Mercedes-Benz models. Designed with a full coating and high carbon content, this rotor provides enhanced durability and corrosion resistance for vehicles like the INFINITI QX30 and Mercedes-Benz CLA250.

• Full coating on disc and hat for corrosion protection
• High carbon content for improved heat dissipation and reduced noise
• Solid disc type with smooth surface finish
• Floating disc mounting for better rotor alignment
• Compatible with 5 lug/stud holes and specific bolt circle diameter

Product Line Details: Centric GCX Elemental Protection

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content line focuses on providing rotors with a comprehensive protective coating to resist rust and corrosion. The high carbon content enhances rotor strength and heat management, which helps maintain consistent braking performance over time. This product line is engineered to meet or exceed OEM specifications, making it suitable for vehicles requiring reliable and long-lasting brake components.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 0.394 inches (10.000 mm) and a discard thickness of 0.327 inches (8.300 mm), ensuring a precise fit and optimal braking surface life. The rotor has an outside diameter of 11.614 inches (295.000 mm) and an overall height of 1.736 inches (44.100 mm). It includes a coated hat finish and a smooth surface type for consistent pad contact. The rotor is solid rather than vented, designed for specific vehicle applications requiring this configuration. The mounting bolt hole circle diameter is 4.409 inches (112.000 mm) with 5 stud/lug holes sized at 0.594 inches (15.100 mm). The center hole diameter measures 2.642 inches (67.100 mm), and the rotor weighs approximately 10.6 lbs (4.8 kgs).

Compatible Vehicles and Applications

• INFINITI QX30
• Mercedes-Benz B250, B250e, B Electric Drive
• Mercedes-Benz CLA250
• Mercedes-Benz GLA250

This rotor is designed specifically for these models, ensuring proper fitment and performance when replacing worn or damaged rotors.

Common Issues Addressed by This Rotor

• Brake rotor corrosion and rust buildup
• Uneven rotor wear causing brake pulsation
• Reduced braking efficiency due to heat distortion
• Noise and vibration from low-quality rotors
• Premature rotor failure from inadequate material composition

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 0.327 inches before installation. Clean the hub surface and mounting area to prevent misalignment. Use proper torque specifications for the 5 lug/stud bolts to avoid warping. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle’s braking system. The floating disc mounting design requires careful alignment during installation to maintain optimal rotor performance.

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM standards, with a focus on material quality and dimensional accuracy. The full coating provides extended corrosion resistance, contributing to longer service life. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by application and region.