This Friction Friday episode takes a closer look at DFC brake components for the 2025–2026 Kia K4. Watch the episode, then review the part numbers and application notes below.
Match the Parts to the Trim
Front pad and rotor listings differ between LX, LXS, EX and GT-Line models and the GT-Line Turbo. Rear rotor listings also differ: LX, LXS and EX models use one listing, while GT-Line and GT-Line Turbo models use another.
2025–2026 Kia K4 Part Numbers
Brake Pads
The primary pad listings below are DFC 5000 Brake Pads with Hardware Kit.
| Position | Qualifier | DFC Part Number | Other Options |
|---|---|---|---|
| Front | LX, LXS, EX, GT-Line | 1551-2400-01 | 1551-2400-00 4000-2400-00 |
| Front | GT-Line Turbo | 1551-2302-01 | 1551-2302-00 4000-2302-00 |
| Rear | — | 1551-2373-11 | 1551-2373-10 4000-2373-10 |
Hardware Kits
DFC Disc Brake Hardware Kit listings for front and rear brake service:
| Position | DFC Part Number |
|---|---|
| Front | 340-03058 |
| Rear | 340-21026 |
Brake Rotors
DFC GEOSPEC Coated Rotor listings and the additional rotor options shown on the sales sheet:
| Position | Qualifier | DFC Part Number | Other Options |
|---|---|---|---|
| Front | LX, LXS, EX, GT-Line | 604-03069 | 600-03069 |
| Front | GT-Line Turbo | 604-03066 | 600-03066 |
| Rear | LX, LXS, EX | 604-21034 | 600-21034 |
| Rear | GT-Line, GT-Line Turbo | 604-21014 | 600-21014 |
A dash means the sales sheet does not list an additional qualifier for that row.
Keep the Application Details Handy
Download the Sales Sheet for the Kia K4 part numbers, trim notes and other options. For ordering and availability, contact your DFC sales representative.

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