Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Kia Optima L4-2.4LFACTORY OEM SERVICE PROCEDURE
Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Ignition Lock Cylinder | ||||
| Without Smart Key | ||||
| Manual Trans | ||||
| Without Immobilizer | KIA | 819052T020 | 174.15 | |
| With Immobilizer | KIA | 819052T030 | 269.22 | |
| Auto Trans | ||||
| Without Immobilizer | KIA | 819052T040 | 205.35 | |
| With Immobilizer | KIA | 819052T050 | 281.72 | |
| With Smart Key | KIA | 819052T100 | 69.55 |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.