10 Top Camshaft Position Sensor Kia Optima Replacements You Can Trust

Ever had your Kia Optima start acting up? Maybe the engine light came on, or it’s just not running as smoothly as it used to. One common culprit for these kinds of issues could be a faulty camshaft position sensor Kia Optima. This little but mighty sensor plays a crucial role in your engine’s performance, working with the crankshaft sensor to ensure precise fuel injection and spark timing. When it goes bad, your car’s brain, the Engine Control Module (ECM), gets confused, leading to all sorts of trouble like misfires, rough idling, or even stalling.

Replacing a malfunctioning sensor is key to getting your Optima back in top shape. But with so many options out there, how do you pick the right one? Don’t sweat it! We’ve done the legwork for you. We’ve compiled a list of the 10 best camshaft position sensor Kia Optima replacements available, breaking down what makes each one stand out, so you can make an informed decision and get your ride running perfectly again.

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Understanding the Camshaft Position Sensor’s Role

Before we dive into the reviews, let’s quickly touch on what this sensor actually does. The camshaft position sensor (CMP sensor) monitors the rotational speed and position of your engine’s camshaft. This data is then sent to your car’s computer, which uses it to coordinate the engine’s valves, ensuring they open and close at just the right moment for optimal combustion. It’s also vital for the variable valve timing (VVT) system in many modern engines, allowing for improved fuel efficiency and power delivery. When this sensor malfunctions, you might experience specific engine codes like P0340, indicating an issue.

Now, let’s look at the top picks!

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Our Top 10 Picks for Camshaft Position Sensor Kia Optima

1. A-Premium Camshaft Position Sensor

This A-Premium sensor is a workhorse, designed for broad compatibility with various Hyundai and Kia models, including a wide range of Kia Optima years and engine types. It offers a direct fit, making installation a breeze for most DIYers or mechanics. What truly stands out here is their commitment to quality and peace of mind, backed by a generous one-year unlimited-mileage guarantee. This shows real confidence in their meticulously crafted product.

• Key Features:
  • Wide compatibility with Kia Optima (2006-2016 L4 1.6L, 2.0L, 2.4L) and other Kia/Hyundai models.
  • Reference numbers: 3935025010, PC719, PC719T.
  • 3-pin blade terminal for a secure connection.
  • Black color, standard packaging.
• Pros:
  • Extensive vehicle fitment covers many popular models and years.
  • Backed by a one-year unlimited-mileage guarantee.
  • Designed for direct replacement and easy installation.
• Cons:
  • Specific fitment needs careful checking against your exact model.
• User Impressions: Many users find this sensor to be a reliable replacement, praising its accurate fit and the fact that it often resolves their Check Engine Light issues quickly. The warranty provides added reassurance.
  See it on Amazon here

2. higherbro 3pcs Crankshaft + Camshaft Position Sensor Kits

If you’re looking for a comprehensive solution, the higherbro 3-piece kit is an excellent choice. It includes not just one, but two camshaft position sensors, along with a crankshaft position sensor. This is incredibly handy if you suspect related issues or simply want to proactively replace all relevant sensors for complete engine health. It’s a smart way to address potential future problems in one go.

• Key Features:
  • Comprehensive 3-piece kit: 1x Crankshaft + 2x Camshaft Position Sensors.
  • Compatible with various Kia Optima (2011-2014 All) and Hyundai models.
  • One-year quality guarantee.
• Pros:
  • Great value by including multiple essential sensors.
  • Addresses potential related sensor failures simultaneously.
  • Comes with a quality guarantee for peace of mind.
• Cons:
  • May contain sensors you don’t immediately need, if only a camshaft sensor is faulty.
• User Impressions: Customers appreciate the convenience and value of getting a complete sensor kit. Many report that the sensors fit well and effectively resolved their vehicle’s performance issues, making it a popular choice for full engine sensor maintenance.
  See it on Amazon here

3. 3935025010 Cam Camshaft Position Sensor Fits for Hyundai

This sensor, often referred to by its OEM part number 3935025010, is a reliable direct replacement option. It focuses on precision and ease of installation, claiming to directly replace the original part without fuss. The product description helpfully outlines common symptoms of a failing cam sensor, which is a nice touch for diagnosing your vehicle’s woes. Its broad compatibility with the Kia Optima makes it a versatile pick.

• Key Features:
  • Compatible with Kia Optima (2006-2016 L4 2.0L/2.4L Petrol) and numerous Hyundai models.
  • OEM Part Numbers: 3935025010, PC719, PC719T, 39350-25010, 907-825.
  • Designed for direct plug-in installation.
  • 18-month worry-free warranty.
• Pros:
  • Exact fitment for a wide range of Optima models and years.
  • Clear explanation of sensor function and failure symptoms.
  • Extended 18-month warranty.
• Cons:
  • Ensure to double-check the exact OEM part number for your vehicle.
• User Impressions: Users frequently report a perfect fit and immediate resolution of check engine lights after installing this sensor. The direct replacement design and long warranty are often highlighted as strong positives.
  See it on Amazon here

4. Intake & Exhaust Engine VVT Solenoid+Camshaft & Crankshaft

This comprehensive kit goes beyond just sensors, offering a full package that includes intake and exhaust VVT solenoids alongside the camshaft and crankshaft position sensors. This is ideal for those experiencing a wider array of engine performance issues, especially those related to variable valve timing. It’s essentially a major engine timing and sensor overhaul in one convenient purchase.

• Key Features:
  • Extensive kit: Intake & Exhaust VVT Solenoids + Camshaft & Crankshaft Position Sensors.
  • Compatible with various Kia Optima (2011-2014 L4 2.0L) and Hyundai models.
  • Includes multiple OE part numbers for all components.
• Pros:
  • Excellent value for a multi-component engine system repair.
  • Addresses common VVT solenoid failures alongside sensor issues.
  • Broad fitment for relevant Kia and Hyundai models.
• Cons:
  • Might be overkill if you only need a single camshaft position sensor.
  • Requires careful attention to the “magnetic” warning for handling.
• User Impressions: Customers purchasing this kit often appreciate the convenience of receiving all critical components together. It’s particularly popular among those tackling more complex engine issues, with many noting improved overall engine smoothness and efficiency after installation.
  See it on Amazon here

5. BDFHYK 907-825 Cam Camshaft Position Sensor 2PCS for Kia

BDFHYK offers a 2-piece set of camshaft position sensors, which is great for vehicles that utilize multiple cam sensors or for having a spare on hand. What makes this offering stand out is their emphasis on uncompromising quality, boasting chips from renowned manufacturers like ALLegro, Infineon, and NXP, along with high-quality German magnet wire and durable fluorine rubber seals. This focus on premium components instills confidence in its longevity.

• Key Features:
  • Pack of two camshaft position sensors.
  • Replaces part numbers: PC719T, PC719, 5S7210, 2CAM0300, 2351245, 907825, 3935025000.
  • Compatible with Kia Optima (2006-2016) and various other Kia/Hyundai models.
  • Utilizes high-quality chips, German magnet wire, and fluorine rubber seals.
  • 12-month customer service for carefree replacement.
• Pros:
  • Two sensors in one pack for convenience or dual sensor setups.
  • Emphasis on high-quality internal components for durability.
  • Good compatibility with many Kia Optima models.
• Cons:
  • May not be necessary if your vehicle only uses one camshaft sensor.
• User Impressions: Reviewers frequently highlight the perceived quality of these sensors, often noting their robust build. The two-pack is a definite plus for those needing multiple sensors or wanting a backup, and customer service is often praised for responsiveness.
  See it on Amazon here

6. 39350-2G000 Engine Camshaft Position Sensor Compatible with

This camshaft position sensor, identified by its OEM number 39350-2G000, is specifically tailored for newer Kia Optima models (2015-2020) and various other contemporary Kia and Hyundai vehicles with L4 2.0L/2.4L engines. Its premium construction, engineered with industrial-grade materials, promises durability and failsafe operation. It’s a solid choice if you have a more recent Optima and need a precise fit.

• Key Features:
  • Compatible with 2015-2020 Kia Optima (L4 2.0L 2.4L) and newer Hyundai/Genesis models.
  • Reference OEM Numbers: 39350-2G000, 393502G000, 962-067, 5S15134, PC1045.
  • Precision-engineered with industrial-grade materials.
  • 18-month worry-free warranty and 24/7 customer support.
• Pros:
  • Designed for newer vehicle models, ensuring precise fitment.
  • High-quality construction for extended service life.
  • Excellent customer support and extended warranty.
• Cons:
  • Limited compatibility to only newer models, not suitable for older Optimas.
• User Impressions: Owners of newer Kia Optimas praise this sensor for its perfect fit and effectiveness in resolving check engine lights and performance issues. The robust build quality and responsive customer service are frequently mentioned as key benefits.
  See it on Amazon here

7. DEVMO 39350-25010 39350-25000 235-1245 907-825 Camshaft

The DEVMO camshaft position sensor is a straightforward, single-unit replacement that covers a good range of Kia Optima years from 2006 to 2014. Its strength lies in its direct compatibility with multiple common replacement part numbers, making it easy to cross-reference and ensure you’re getting the right part. It’s a no-frills, effective solution for getting your engine’s timing back on track.

• Key Features:
  • Single camshaft position sensor unit.
  • Compatible with Kia Optima (2006-2014) and other Kia models.
  • Extensive list of replacement part numbers: 39350-25010, 39350-25000, 235-1245, 907-825, SU8701, 5S7210, PC719, etc.
• Pros:
  • Broad replacement compatibility with many OEM and aftermarket part numbers.
  • Covers a significant range of Kia Optima model years.
  • Simple and direct replacement for ease of installation.
• Cons:
  • Lacks specific details on material quality or warranty length in the provided features.
• User Impressions: Users typically find this sensor to be a cost-effective and functional replacement. Its wide range of compatible part numbers is often appreciated, simplifying the search for the correct sensor.
  See it on Amazon here

8. 3935025010 Camshaft Position Sensor Compatible with

Similar to another model on our list, this camshaft position sensor comes from the A-NAFTULY store and is a robust choice for a wide array of Kia Optima models (2006-2016) and other compatible Kia and Hyundai vehicles. Its key selling points are its precise function in regulating spark timing and fuel injection, direct plug-in installation, and an impressive 18-month warranty. It’s a reliable pick with strong customer support backing.

• Key Features:
  • Wide vehicle fitment for Kia Optima (2006-2016 L4 2.0L Petrol) and many Hyundai models.
  • OEM Part Numbers: 3935025010, PC719, PC719T, 39350-25010, 907-825.
  • Designed for direct plug-in installation.
  • 18-month worry-free warranty and dedicated customer service.
• Pros:
  • Excellent compatibility with numerous Kia Optima years and engine types.
  • Clear explanation of the sensor’s function and failure symptoms.
  • Long 18-month warranty provides great buyer confidence.
• Cons:
  • Ensure your specific engine (e.g., L4 2.0L Petrol) is listed for perfect fitment.
• User Impressions: Customers often report that this sensor effectively resolves their engine’s rough running or stalling issues. The straightforward installation and the robust warranty are highly regarded, offering users peace of mind.
  See it on Amazon here

9. Autokemat 24360-2GGD0 Intake VVT Camshaft Position Sensor

The Autokemat sensor is specifically an Intake VVT Camshaft Position Sensor, making it highly relevant for vehicles with Variable Valve Timing systems. This sensor is designed for newer Kia Optima models (2016-2020) and focuses on the intake side of the VVT system. If your diagnostics point to an issue with the intake VVT or its associated sensor, this is a precise and specialized replacement option.

• Key Features:
  • Specific Intake VVT Camshaft Position Sensor.
  • Compatible with Kia Optima (2016-2020 L4 2.0L 2.4L) and newer Hyundai/Genesis models.
  • Replacement OE Part Number: 24360-2GGD0.
  • Package includes 1 piece.
• Pros:
  • Highly specialized for intake VVT system issues in newer models.
  • Direct OEM part number match for accurate fitment.
  • Good for addressing specific VVT-related engine codes.
• Cons:
  • Only for newer Kia Optima models; not backward compatible.
  • Does not include exhaust VVT or other sensors.
• User Impressions: Users with newer Optima models needing specific VVT sensor replacements find this product to be an exact match and highly effective. Many highlight that it successfully clears relevant VVT-related diagnostic trouble codes.
  See it on Amazon here

10. BDFHYK 907-825 Cam Camshaft Position Sensor 1PC for Kia

This is the single-unit version of the BDFHYK camshaft position sensor, offering the same uncompromising quality in materials and construction as its 2-piece counterpart. Featuring chips from top brands like ALLegro and Infineon, German magnet wire, and fluorine rubber seals, it’s built for durability and reliable performance. This single sensor is perfect if you know you only need one replacement and want to invest in a high-quality component.

• Key Features:
  • Single camshaft position sensor.
  • Replaces part numbers: PC719T, PC719, 5S7210, 2CAM0300, 2351245, 907825, 3935025000.
  • Compatible with Kia Optima (2006-2016) and various other Kia/Hyundai models.
  • Utilizes high-quality chips, German magnet wire, and fluorine rubber seals.
  • 12-month customer service for carefree replacement.
• Pros:
  • Single unit, ideal if only one sensor is needed.
  • Premium internal components for enhanced reliability and lifespan.
  • Broad compatibility with many Kia Optima models.
• Cons:
  • Might be pricier than some basic single-unit sensors due to component quality.
• User Impressions: Users appreciate the robust feel and performance of this single sensor, often noting that it brings their Kia Optima’s engine performance back to normal. The perceived quality and responsive customer support are frequently cited as reasons for satisfaction.
  See it on Amazon here

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Frequently Asked Questions about Camshaft Position Sensors

Replacing a camshaft position sensor Kia Optima can feel daunting, but understanding a few key things can make all the difference. Here are some common questions we get asked:

Q1: What exactly does a camshaft position sensor do in my Kia Optima?
A1: The camshaft position sensor (CMP) monitors the speed and precise position of the camshaft(s). This information is sent to your vehicle’s Engine Control Module (ECM), which uses it to synchronize fuel injection, ignition timing, and the Variable Valve Timing (VVT) system, ensuring optimal engine performance and efficiency.

Q2: What are the common symptoms of a bad camshaft position sensor in a Kia Optima?
A2: Common symptoms include the illumination of the Check Engine Light (often with codes like P0340 or P0341), hard starting or no-start conditions, rough idling, engine misfires, reduced fuel economy, intermittent stalling, or a sudden decrease in engine power.

Q3: Can I drive my Kia Optima with a bad camshaft position sensor?
A3: While your Optima might still run with a failing camshaft position sensor, it’s generally not recommended for long. Driving with a faulty sensor can lead to decreased engine performance, poor fuel efficiency, potential damage to other engine components (like the catalytic converter due to misfires), or even leave you stranded if the car stalls completely. It’s best to replace it as soon as symptoms appear.

Q4: How difficult is it to replace a camshaft position sensor on a Kia Optima?
A4: For many Kia Optima models, replacing the camshaft position sensor is a relatively straightforward DIY job, often requiring basic hand tools. The sensor is usually located near the valve cover or cylinder head. However, the exact location and ease of access can vary significantly depending on your specific engine and model year. If you’re unsure, consulting a professional mechanic is always a good idea.

Q5: What’s the difference between a camshaft and crankshaft position sensor?
A5: Both are crucial for engine timing. The camshaft position sensor tracks the camshaft’s rotation, which dictates valve timing. The crankshaft position sensor (CKP) monitors the crankshaft’s rotation, which determines piston position and engine speed. Together, they give the ECM a complete picture of the engine’s current operating cycle, allowing for precise fuel and spark delivery.

Q6: How much does it cost to replace a camshaft position sensor on a Kia Optima?
A6: The cost for the part itself typically ranges from $20 to $100, as seen in our reviews. If you choose to have a mechanic replace it, labor costs can add another $50 to $150, depending on the mechanic’s rates and the complexity of accessing the sensor.

Q7: Will replacing the camshaft position sensor fix my Check Engine Light immediately?
A7: In most cases, yes! Once the faulty sensor is replaced with a new, functional one, the Check Engine Light (CEL) should turn off automatically after a few drive cycles, or you can clear the code using an OBD-II scanner. If the light persists, it indicates there might be other underlying issues or codes present.

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Final Thoughts

A working camshaft position sensor Kia Optima is absolutely vital for your vehicle’s smooth operation and longevity. Whether you’re a seasoned DIYer or looking for a reliable part for your mechanic to install, we hope this guide has made your search a whole lot easier. Remember to always double-check the compatibility with your specific Optima model and engine year before making a purchase. Investing in a quality sensor means investing in your car’s continued performance and your peace of mind on the road. Drive safe!