Raybestos 96939R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 96939R

The Raybestos R-Line Disc Brake Rotor 96939R is engineered for reliable braking performance on Audi A4 Quattro and Volkswagen Passat models. Designed as a solid, conventional rotor, it meets precise specifications to ensure consistent stopping power and durability.

• Compatible with Audi A4 Quattro and Volkswagen Passat
• Solid disc brake rotor with conventional design
• Outside diameter: 9.640 inches (244.85 mm)
• Nominal thickness: 0.395 inches (10.05 mm)
• Discard thickness: 0.315 inches (8.00 mm)
• Overall height: 1.880 inches (47.75 mm)
• Mounting bolt hole quantity: 5 with 0.605 inch diameter
• Center hole diameter: 2.678 inches (68.00 mm)
• Mounting bolt hole circle diameter: 4.409 inches (112.00 mm)
• Stud/lug hole quantity: 5

Detailed Product Description

The Raybestos R-Line 96939R disc brake rotor is a solid rotor designed for use on specific Audi and Volkswagen vehicles, including the Audi A4 Quattro and Volkswagen Passat. This rotor features a conventional design, providing a reliable braking surface with a nominal thickness of 0.395 inches (10.05 mm) and a discard thickness of 0.315 inches (8.00 mm). The overall height measures 1.880 inches (47.75 mm), and the rotor has an outside diameter of 9.640 inches (244.85 mm), ensuring proper fitment and compatibility.

With five mounting bolt holes and a bolt hole circle diameter of 4.409 inches (112.00 mm), this rotor is engineered to match factory specifications. The center hole diameter of 2.678 inches (68.00 mm) and stud/lug hole quantity of five further confirm its compatibility with the intended vehicle models.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable, OEM-quality brake components. The 96939R rotor is part of this line, designed to meet or exceed original equipment specifications for fit, form, and function. This ensures that the rotor integrates seamlessly with the braking system of Audi A4 Quattro and Volkswagen Passat vehicles, providing consistent performance without modification.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise or vibration issues related to uneven rotor surfaces
• Upgrading to a rotor that meets factory specifications for reliable stopping power
• Ensuring proper fitment for Audi A4 Quattro and Volkswagen Passat brake systems

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern before installation
• Inspect brake pads and hardware for wear and replace as necessary
• Clean rotor surface to remove any protective coatings before use
• Torque mounting bolts to manufacturer specifications to avoid warping
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details for part number 96939R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to vehicle manufacturer guidelines.