Dynamic Friction 631-03021L Disc Brake Rotor - Rear Left

Rear Left Drilled and Slotted Rotor for Hyundai and Kia

The Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-03021L, is a rear left 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.

Key Features

• Part number 631-03021L for rear left brake service
• Slotted X drilled brake surface for directional braking performance
• Zinc silver hat finish with rust resistant coating
• Plain disc finish with silver-coated hat area
• Solid rotor design with 283 mm outside diameter
• 5-bolt, 5-lug pattern with 114.3 mm bolt circle diameter
• 76 mm center hole diameter and 12.5 mm lug hole diameter
• Nominal thickness: 10 mm; discard thickness: 8.4 mm

Product Details

This DFC Brake Rotor - Drilled and Slotted - Silver is engineered as a rear left disc brake rotor for Hyundai Sonata, Hyundai Azera, Kia Optima, and Kia Cadenza applications listed below. The directional slotted and drilled surface is paired with a solid rotor construction to support consistent rear brake service, while the zinc silver hat finish and rust resistant coating help maintain appearance over time. If you are searching for a rear left brake rotor for 2011-2020 Kia Optima or 2011-2019 Hyundai Sonata, part number 631-03021L matches the confirmed fitment data.

Vehicle Fitment

• Fits 2011-2020 Kia Optima, rear left.
• Fits 2011-2019 Hyundai Sonata, rear left.
• Fits 2006-2007 Hyundai Sonata, rear left.
• Fits 2015-2019 Hyundai Sonata, rear left, w/Manual Parking Brake.
• Fits 2018-2019 Kia Optima, rear left, 305mm Front Disc.
• Fits 2018-2019 Kia Optima, rear left, 320mm Front Disc.
• Fits 2014-2019 Kia Optima, rear left, Manual parking brake applicable on this Disc Brake Rotor.
• Fits 2010-2017 Hyundai Azera, rear left.
• Fits 2014-2016 Kia Cadenza, rear left, Manual parking brake applicable on this Disc Brake Rotor.
• Fits 2014-2016 Kia Cadenza, rear left.
• Fits 2009-2010 Hyundai Sonata, rear left, From 12/09.
• Fits 2009-2010 Hyundai Sonata, rear left, To 11/09.
• Fits 2009 Hyundai Azera, rear left, Vehicle Production Date From 7/09.
• Fits 2008 Hyundai Sonata, rear left, To 2/08.
• Fits 2008 Hyundai Sonata, rear left, From 3/08.
• Fits 2005 Hyundai Sonata, rear left, From 4/05.

Installation Notes and Tips

Confirm rotor dimensions, bolt pattern, and rear left position before installation. This rotor is directional, so follow the marked orientation during service. Verify whether the vehicle uses a manual parking brake and check the production-date notes for Hyundai Sonata and Hyundai Azera applications to ensure correct selection. Part number 631-03021L should be matched to the exact fitment row for the vehicle being serviced.

Quality Assurance

Dynamic Friction supplies this rotor with the listed dimensional specifications, finish details, and application data for confirmed Hyundai and Kia fitments. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.