Centric 320.39039F Disc Brake Rotor - Rear

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotor 320.39039F offers reliable braking performance for Volvo vehicles including the C30, C70, S40, and V50 models. Designed with a full coating for enhanced corrosion resistance, this rotor ensures durability and consistent stopping power.

• Full coating on disc and hat for corrosion protection
• Solid disc type with smooth surface finish
• Nominal thickness of 10.8 mm and discard thickness of 9.0 mm
• Outside diameter of 280 mm (11.024 inches)
• Floating disc mounting design
• Five lug holes with 13.8 mm diameter each
• Compatible with Volvo C30, C70, S40, and V50

Product Line Details: Centric GCX Elemental Protection Disc Brake Rotors - Full Coating

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with a comprehensive protective coating that covers both the braking surface and the rotor hat. This full coating helps prevent rust and corrosion, extending the rotor's service life and maintaining consistent braking performance. The 320.39039F rotor is part of this line, offering a solid rotor design with a smooth surface finish optimized for Volvo vehicles.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 10.8 mm and a discard thickness of 9.0 mm, ensuring it meets safety and performance standards. The rotor's outside diameter measures 280 mm (11.024 inches), with an overall height of 41.1 mm (1.618 inches). It uses a floating disc mounting system and includes five lug holes sized at 13.8 mm diameter, suitable for the specified Volvo models. The rotor is solid type with a smooth surface finish, designed to provide consistent braking without the complexity of vented rotors.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Volvo C30, C70, S40, and V50
• Addresses rotor corrosion and rust issues due to full coating protection
• Improves braking consistency by maintaining proper thickness and surface finish
• Eliminates brake noise caused by uneven or damaged rotors
• Restores proper rotor dimensions to prevent brake pad wear and vibration

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (9.0 mm) before installation
• Clean mounting surface to prevent rotor runout and ensure proper fit
• Use proper torque specifications for the five lug bolts (13.8 mm diameter)
• Check compatibility with ABS sensors as this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize braking performance

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The full coating process provides enhanced corrosion resistance, contributing to longer rotor life. While specific warranty details for part number 320.39039F are not provided here, Centric typically offers a limited warranty against defects in materials and workmanship. Always verify warranty terms with the supplier or manufacturer.