KIA 238-10358B Steering Column Smart Key

( Model: OPTIMAKIA ), ( Part Type: Steering ), ( Genuine Oem: Yes ), ( Ipn: 238-10358b ), ( Manufacturer Warranty: 6 Month ), ( Partout Id: A-128150187 )

Review KIA Steering Column Us Built Vin 1st Digit Smart Key fits OPTIMA 2019–2020

The **Kia 238-10358B Steering Column Smart Key Assembly** is a critical component designed exclusively for the **2019 and 2020 Kia Optima models**, ensuring seamless integration with the vehicle s advanced keyless entry and push-button start system. This high-quality, factory-replacement part replaces the entire steering column-mounted smart key module, which houses the electronic circuitry, antenna, and mechanical locking mechanism that enables remote unlocking, trunk release, and ignition activation without the need for a physical key insertion. Crafted to meet Kia s stringent engineering standards, the assembly features a durable, corrosion-resistant construction to withstand the rigors of daily driving, including exposure to varying weather conditions and prolonged use. The internal electronics are engineered for optimal signal transmission, ensuring reliable communication between the key fob and the vehicle s immobilizer system, while the integrated steering lock mechanism guarantees secure vehicle protection when the engine is off. This component is a direct fit for Optima models equipped with the **Smart Key Immobilizer System**, making it an essential replacement for drivers experiencing issues such as malfunctioning remote controls, unresponsive ignition, or mechanical failures in the steering column lock. Whether addressing a complete system failure or a localized component defect, this smart key assembly restores full functionality to the vehicle s keyless convenience features, enhancing both security and user experience.

**Pros and Cons of buying a Kia 238-10358B Steering Column Smart Key (Fits 2019-2020 Optima)**

### **Pros**

1. **Compatibility** This part is specifically designed for the 2019 and 2020 Kia Optima models, ensuring a proper fit without modification.

2. **Smart Key Functionality** Replaces the original steering column smart key, which is essential for keyless entry, push-button start, and remote locking/unlocking.

3. **OEM Quality** As a genuine Kia part, it meets the manufacturer s standards for durability and performance, reducing the risk of early failure.

4. **Security** Smart keys use advanced encryption to prevent unauthorized access, improving vehicle security compared to basic mechanical keys.

5. **Convenience** Eliminates the need for physical key insertion, making starting the car and accessing the vehicle more seamless.

6. **Resale Value** Installing an OEM part maintains the vehicle s value better than aftermarket alternatives, which may not be as reliable.

7. **Warranty Coverage** If purchased directly from Kia or an authorized dealer, it may come with a warranty, providing peace of mind against defects.

### **Cons**

1. **Cost** Genuine Kia parts are more expensive than aftermarket alternatives, which could be a significant investment if the key was lost or damaged.

2. **Limited Availability** Depending on the region, finding this specific part may require ordering from a dealer or online retailer, potentially involving shipping delays.

3. **Installation Complexity** While not overly difficult, replacing a steering column smart key may require some technical skill or professional assistance, especially if the vehicle s wiring or programming needs adjustment.

4. **Potential Programming Issues** If the new key is not programmed correctly, it may not work with the vehicle s immobilizer system, rendering it useless.

5. **Durability Concerns (if aftermarket)** While this is an OEM part, lower-quality aftermarket alternatives might fail prematurely, though this is not an issue with the genuine Kia part.

6. **Time-Consuming Replacement** The process involves disconnecting the battery, removing the steering column, and reprogramming the key, which can take several hours.

7. **Risk of Theft or Loss** Like any key, there s always a chance of theft or accidental loss, though smart keys reduce the risk of unauthorized use.

### **Conclusion**

The **Kia 238-10358B steering column smart key** is a high-quality, reliable replacement for the 2019-2020 Optima, offering seamless integration with the vehicle s keyless system. While it comes at a higher cost compared to aftermarket options, its OEM status ensures better longevity, security, and compatibility. The trade-off in price and installation effort is justified for owners who prioritize reliability and maintain their vehicle s value.

If you ve lost your key or need a replacement, this is the **best choice** for long-term performance. However, if budget is a major concern, carefully researching aftermarket alternatives (while acknowledging potential risks) could be an option though they may not offer the same level of assurance.

Purchase the **Kia 238-10358B OEM smart key** from an authorized Kia dealer or a trusted online retailer to ensure authenticity and warranty coverage. If possible, have a professional install it to avoid programming errors. This investment will provide peace of mind and maintain your Optima s functionality and security.

Details:

Replace oil pan gasket and rear main seal. Engines are guaranteed against knocking and excessive smoking. Steering Column 124. Replace oil, air and fuel filters.

Engine Warranty Installation Procedures, Prior to installation of your used engine we require these steps be taken for warranty valid. Clear all transmission computer codes prior to starting or operating vehicle. Adjust throttle position sensor cable. Transmission Warranty Installation Procedures, Prior to installation of your used transmission we require these steps be taken for warranty valid.

Align and engage torque converter into front pump. Flush and inspect cooling lines. Replace valve cover gaskets. If needed replace timing gears, chains or belts gaskets.

Install new spark plugs wires. Fill trans with manufacture specified fluid. Pre-Installation requirements: Replace all seals. Replace thermostat gasket.

Install new belts and hoses. Flush cooling system and re-fill. Pre-Installation Requirements: Drain and replace engine oils to manufacture suggested levels. Install new filter kit.

part #: 238-10358b prices

• $175.00-$256.24

specifications steragebo:

• for models: Optima
• for makes: Kia
• for years: 2019-2020
• model: Optimakia
• part type: Steering
• genuine oem: Yes
• ipn: 238-10358b
• manufacturer warranty: 6 Month
• partout id: A-128150187

general steragebo:

• Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions
• condition: Used

payments steragebo:

• other
• wallet: Google-pay
• credit card: Mastercard

shipping steragebo:

• transit: 4-10 Days
• carrier: USPS
• cost: $0.00
• service: USPS Priority Mail
• type: Fixed
• class: Expedited

offer steragebo:

• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• started: May 16, 2026
• availability: In Stock

returns steragebo:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

seller steragebo:

• rating: 99.2%
• city: York, Pennsylvania
• # reviews: 10044

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