Centric 320.34019H Disc Brake Rotor - Rear

Overview of Centric GCX Elemental Protection Disc Brake Rotor

The Centric GCX Elemental Protection Disc Brake Rotor (part number 320.34019H) is engineered for reliable braking performance on select BMW models. Designed with a full coating and high carbon content, this rotor offers enhanced durability and corrosion resistance for vehicles like the BMW 318i and 325i.

• Full coating on disc and hat for corrosion protection
• High carbon content for improved heat dissipation and wear resistance
• Solid disc type with smooth surface finish
• Compatible with BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX models
• Part number 320.34019H for precise fitment
• Nominal thickness of 0.394 inches and discard thickness of 0.331 inches
• Outside diameter of 10.157 inches (258 mm) and overall height of 2.362 inches (60 mm)
• Four stud/lug holes with 0.591 inch diameter and 3.937 inch bolt circle diameter

About the Centric GCX Elemental Protection Product Line

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content line focuses on providing rotors with enhanced corrosion resistance and thermal performance. The full coating applied to both the disc and hat surfaces helps prevent rust and extends rotor life, while the high carbon content improves heat dissipation and reduces brake fade. This product line is designed to meet or exceed OEM specifications, making it suitable for BMW vehicles requiring reliable braking components.

Detailed Product Description

This Centric disc brake rotor is a solid type rotor featuring a smooth surface finish, optimized for consistent brake pad contact and reduced noise. The rotor measures 10.157 inches in outside diameter with an overall height of 2.362 inches, ensuring proper fitment on compatible BMW models. The nominal thickness is 0.394 inches, with a discard thickness of 0.331 inches, indicating when replacement is necessary to maintain safe braking performance. The rotor includes four stud/lug holes with a 0.591 inch diameter and a mounting bolt hole circle diameter of 3.937 inches, matching OEM specifications for the listed BMW vehicles. This rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX
• Addresses brake noise and vibration issues caused by uneven rotor surfaces
• Helps restore braking efficiency and pedal feel
• Prevents corrosion-related rotor damage with full coating
• Reduces brake fade under normal driving conditions due to high carbon content

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.331 inches) before installation
• Clean mounting surfaces to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications for BMW 318i and related models
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a proper bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The full coating and high carbon content materials contribute to durability and consistent braking performance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or manufacturer resources for warranty terms related to part number 320.34019H.