Dynamic Friction 631-03021R Disc Brake Rotor - Rear Right

Rear Right Drilled and Slotted Brake Rotor

The Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-03021R, is a rear right disc brake rotor built for select Hyundai and Kia applications. It features a slotted X drilled surface, zinc silver hat finish, and rust resistant coating for a clean, service-ready appearance.

Compatible With Hyundai Sonata, Hyundai Azera, Kia Optima, and Kia Cadenza rear right brake positions, this rotor is sized for vehicles that use a 5-lug, 114.3 mm bolt circle layout. The directional braking surface and solid rotor design support consistent rear brake service on the listed applications.

Key Features

• Part number 631-03021R for rear right fitment
• Slotted X drilled surface type
• Zinc silver hat finish with rust resistant coating
• Solid rotor design
• 5 bolt holes and 5 stud/lug holes
• 114.3 mm bolt circle diameter
• Outside diameter: 283 mm
• Nominal thickness: 10 mm; discard thickness: 8.4 mm
• Center hole diameter: 76 mm
• Directional brake surface

Product Details

The DFC Brake Rotor - Drilled and Slotted - Silver line focuses on application-specific brake rotor construction with a corrosion-resistant finish and a machined braking surface layout. On this rear right rotor, the drilled and slotted pattern is paired with a plain disc finish and zinc silver hat finish to support a clean installation appearance while maintaining the specified dimensions for the listed Hyundai Sonata, Hyundai Azera, Kia Optima, and Kia Cadenza fitments. Part number 631-03021R is the reference to verify the correct rear right rotor for your vehicle.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Rotor Helps Address

• Rear brake rotor wear on the listed Hyundai and Kia vehicles
• Brake pulsation caused by a worn or uneven rotor surface
• Corrosion on the rotor hat and exposed metal surfaces
• Reduced braking consistency from an out-of-spec rear right rotor
• Noise or vibration associated with a deteriorated brake disc

Installation Notes and Tips

Install only on the listed rear right applications and verify the vehicle’s brake configuration before ordering. Fitment includes 2005-2020 Hyundai Sonata, 2009-2017 Hyundai Azera, 2014-2016 Kia Cadenza, and 2011-2020 Kia Optima, with notes for manual parking brake and front disc size on select Optima and Cadenza applications. Confirm rotor dimensions, bolt pattern, and rear right position against the existing part before service.

For Hyundai Sonata and Kia Optima brake service, match the rotor to the vehicle’s year, model, and rear right position exactly. The directional surface design should be installed according to the vehicle’s brake orientation requirements.

Quality Assurance

Dynamic Friction brake components are built around application-specific dimensions and finish details for the listed fitments. This rotor uses a rust resistant coating and zinc silver hat finish to help maintain appearance and serviceability in brake system maintenance.