RHAOCZIYAUTO Ignition Switch & Door Lock Housing Assembly for Kia Optima 2011-2015 — Includes Cylinder, Hardware and 2 Keys

If your 2011–2015 Kia Optima is showing signs of ignition difficulty, loose steering-column components, or a faulty driver door lock, this replacement assembly from RHAOCZIYAUTO is a direct-fit solution. The kit includes the ignition lock housing, separate lock cylinder, left driver’s door lock, mounting hardware, and two cut keys so you can restore secure starting and convenient entry without sourcing multiple parts.

How does this assembly fit my Kia Optima?

The unit is manufactured to match the OEM geometry and mounting points for Kia Optima model years 2011 through 2015, making installation straightforward for technicians or experienced DIYers. It replaces specific part numbers commonly used on these vehicles.

• Compatible model years: Kia Optima 2011, 2012, 2013, 2014, 2015
• Replaces OEM part numbers: 81905-2T040, 81970-2TA00, 81900-2TD00, 81905-2T540
• Includes both housing and cylinder for a complete swap
• Hardware included: bolts and clamp for secure mounting

What parts are included and what do they do?

This kit assembles all the core mechanical components needed to control ignition and the driver-side door lock. You receive the housing that secures the cylinder, the cylinder itself that accepts the keys, the driver-door lock mechanism, and the fastening parts to mount everything into the steering column and door.

• Ignition lock housing: anchors the cylinder and aligns electrical switch components
• Lock cylinder: the keyed barrel for turning the ignition and locking/unlocking
• Left driver’s door lock: mechanical latch for door access
• Included keys: two pre-cut keys for immediate use

What materials and durability features does it offer?

The assembly is built from a mix of robust ABS plastic and reinforced metal parts to withstand repeated use and resist impact in everyday driving conditions. Materials are chosen to balance weight, longevity, and fitment without altering factory tolerances.

• ABS plastic housing for impact resistance and dimensional stability
• Metal lock cylinder and mounting hardware for strength and wear resistance
• Factory-style fits and finishes for correct alignment and operation
• Pre-assembled components minimize installation adjustments

How easy is installation and what else should I know?

Installation is generally straightforward for a trained mechanic or competent DIYer with steering-column experience; the kit contains the necessary clamp and bolts. Electrical switch components tied to the ignition may require attention; disconnect the battery before starting and consult a repair manual for safe removal and reassembly.

• Mounting bolts and lock housing clamp included for a complete install
• Two keys provided—no immediate cutting required
• Recommended: disconnect battery and follow vehicle-specific procedures
• If unsure, have installation performed by a professional locksmith or technician

Who is this for: Drivers and repair shops working on Kia Optima vehicles from 2011–2015 who need a full ignition and driver-door lock replacement in one package. It suits owners replacing worn cylinders, shops handling collision or theft damage repairs, and DIYers comfortable with steering column work who want a single, matched kit that restores mechanical locking and ignition function.