OE Quality
60-Day Returns

Centric 908.51521 Disc Brake Kit - Rear
Reliable Disc Brake Kit for Hyundai and Kia Vehicles
The Centric OE Grade - 2 Wheel Disc Brake Kit 908.51521 offers a solid and dependable braking solution for select Hyundai and Kia models. Designed specifically for front disc brake applications, this kit ensures consistent performance and durability for vehicles like the Hyundai Sonata, Kia Optima, and Hyundai Azera.
- Front disc brake rotor constructed as solid iron for durability
- Natural rotor finish to maintain original equipment appearance
- Brake pads with positively molded friction material and shims for noise reduction
- Includes Centric premium friction material for reliable stopping power
- Sold as a complete 2 wheel disc brake kit for front axle replacement
- Rear rotor outside diameter measures 11.181 inches
- No electronic wear sensor included
About the Centric OE Grade - 2 Wheel Disc Brake Kits
The Centric OE Grade - 2 Wheel Disc Brake Kits line is engineered to meet or exceed original equipment specifications. This product line focuses on providing quality components that match factory fit and function, making it suitable for professional repairs and maintenance. The 908.51521 kit is part of this line, offering a solid rotor design and premium friction materials tailored for front brake systems on Hyundai and Kia vehicles.
Product Details and Specifications
This disc brake kit features a solid iron front rotor with a natural finish, designed to provide consistent braking performance without the complexity of vented rotors. The brake pads included are positively molded and come with shims to help reduce noise and vibration during braking. The friction material is Centric premium grade, ensuring reliable stopping power under normal driving conditions. The kit is sold complete for two wheels, making it convenient for front axle brake service on compatible vehicles.
Compatible Vehicles and Common Applications
- Hyundai Sonata front disc brake replacement
- Kia Optima front brake service kit
- Hyundai Azera front rotor and pad upgrade
- Addressing brake noise and pad wear issues
- Replacing worn or damaged front rotors and pads
Installation Notes and Tips
When installing the Centric OE Grade 908.51521 disc brake kit, ensure the rotor surface is clean and free of debris before mounting. Since the rotors are solid, verify proper clearance and caliper fitment on the front axle. The brake pads include shims to minimize noise; make sure these are properly seated. No electronic wear sensor is included, so check your vehicle’s sensor system compatibility before installation.
Quality Assurance and Warranty
Centric provides quality assurance through adherence to OE specifications in materials and construction. The 908.51521 kit is manufactured with iron rotors and premium friction materials to maintain consistent braking performance. While specific warranty details are not provided here, Centric OE Grade products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Centric |
|---|---|
| Part Number | 908.51521 |
| Position | Centric OE Grade - 2 Wheel Disc Brake Kits, Rear |
| Brake Pad Construction | Positively Molded With Shims |
| Electronic Wear Sensor | No |
| Friction Material Type | Centric Premium |
| Front Disc Brake Rotor Construction | Solid |
| Rear Rotor Outside Diameter | 11.181 |
| Rotor Finish | Natural |
| Rotor Material | Iron |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2017 | Hyundai | Azera | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Exc EPB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2016 | Hyundai | Azera | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2016 | Kia | Optima | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2016 | Kia | Optima | Hybrid | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2016 | Kia | Optima | Hybrid LX | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2016 | Kia | Optima | Hybrid EX | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2016 | Kia | Optima | Hybrid EX Premium | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2015 | Hyundai | Azera | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2015 | Hyundai | Sonata | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2015 | Hyundai | Sonata | Hybrid | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |||
| 2015 | Hyundai | Sonata | Hybrid Limited | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |||
| 2015 | Kia | Optima | SX | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2015 | Kia | Optima | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2015 | Kia | Optima | LX | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2015 | Kia | Optima | EX | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2015 | Kia | Optima | SX Turbo | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2015 | Kia | Optima | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2015 | Kia | Optima | Limited | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2014 | Hyundai | Azera | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2014 | Kia | Optima | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2014 | Kia | Optima | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2013 | Hyundai | Azera | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2013 | Kia | Optima | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2013 | Kia | Optima | Hybrid | 2.4L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2013 | Kia | Optima | SX | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2013 | Kia | Optima | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2013 | Kia | Optima | EX | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Manual PB; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2012 | Hyundai | Azera | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2012 | Hyundai | Sonata | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2012 | Hyundai | Sonata | Hybrid Premium | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |||
| 2012 | Kia | Optima | 2.4L | L4 | ELECTRIC/GAS | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2012 | Kia | Optima | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2011 | Kia | Optima | 2.4L | L4 | ELECTRIC/GAS | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | |
| 2011 | Kia | Optima | 2.0L | L4 | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||
| 2010 | Hyundai | Sonata | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Fr 12/09; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits | ||||
| 2009 | Hyundai | Sonata | Rear | 1 x 301.14450 Rear Pads - 2 x 121.51021 Rear Discs; Fr 12/09; OE Grade Pack; Centric OE Grade - 2 Wheel Disc Brake Kits |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.