10 Top Jeep JK Camshaft Position Sensor Replacements for Optimal Performance

Hey there, Jeep JK owner! Ever found your trusty Wrangler acting a bit sluggish, the “Check Engine” light glowing like a warning beacon, or perhaps struggling to start? Chances are, your camshaft position sensor might be on the fritz. This tiny but mighty component plays a crucial role in your engine’s performance, helping your Jeep run smoothly and efficiently. Finding the right replacement can feel like a scavenger hunt, but don’t sweat it. We’ve done the heavy lifting for you!

In this guide, we’ll dive deep into what a camshaft position sensor does, what signs to look for when it’s failing, and review some of the best options available to get your Jeep JK back to its trail-conquering best. Whether you’re a DIY enthusiast or just looking for the right part for your mechanic, we’ve got you covered with a selection that fits both 3.6L Pentastar and 3.8L engines. Let’s get your rig running like new!

Understanding Your Jeep JK’s Camshaft Position Sensor

So, what exactly does this sensor do? Think of the camshaft position sensor as your engine’s conductor. It monitors the position and speed of your camshaft, relaying this critical information to the engine control unit (ECU). The ECU then uses this data to precisely time fuel injection and ignition, ensuring your engine runs efficiently and powerfully. Without accurate readings, your engine’s timing gets messed up, leading to all sorts of headaches.

Common Symptoms of a Failing Sensor:
* Check Engine Light (CEL) illumination: This is often the first sign, usually accompanied by codes like P0340.
* Difficulty starting: Your engine might crank but won’t turn over, or it takes several attempts.
* Rough idle or stalling: The engine might feel shaky or cut out unexpectedly.
* Reduced fuel economy: Incorrect timing can lead to inefficient fuel consumption.
* Decreased engine performance: You might notice a lack of power or hesitation during acceleration.
* Engine misfires: The engine might skip or stumble, especially under load.

If you’re experiencing any of these issues, it’s a good idea to check your jeep jk camshaft position sensor. Replacing it is often a straightforward fix that can prevent more serious engine problems down the line.

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Top 10 Camshaft Position Sensor Replacements for Your Jeep JK

Here are our top picks for replacement camshaft position sensors, designed to get your Jeep back on track.

Mopar 05149141AF SENSOR CAMSHAFT

When it comes to your Jeep, going with a genuine Mopar part often provides the ultimate peace of mind. This Mopar camshaft position sensor is an OEM (Original Equipment Manufacturer) component, meaning it’s the exact same part that came with your Jeep from the factory. It’s designed to fit your specific vehicle perfectly, ensuring seamless integration and reliable performance. If you want factory-grade quality and don’t want to second-guess compatibility, this is a top contender, especially for 3.6L Pentastar engines.

• Key Features:
  • Genuine Mopar OEM part
  • Part Number: 05149141AF
  • Manufactured to meet original specifications for fit, form, and function
  • Ensures optimal engine timing and performance
• Pros:
  • Guaranteed OEM quality and compatibility
  • High reliability and durability
  • Exact fit, simplifying installation
• Cons:
  • Typically more expensive than aftermarket options
  • May not be as widely available as some generic parts
• User Impressions: Owners consistently praise the “set it and forget it” reliability of Mopar parts. They appreciate the direct fit and the swift resolution of engine issues, knowing they’re putting a factory-spec component back into their vehicle.
• See it on Amazon here

Dorman 907-728 Engine Camshaft Position Sensor Compatible…

Dorman is a well-respected name in the aftermarket automotive parts industry, known for producing high-quality direct replacements. This engine camshaft position sensor is engineered to match the fit and function of an original sensor, making it an ideal solution for a failed component. It boasts durable construction designed to withstand the harsh under-hood environment, offering reliable performance backed by Dorman’s century of automotive experience. This is a solid aftermarket choice for many Jeep JK 3.6L applications.

• Key Features:
  • Direct replacement for original sensor on specified vehicles (3.6L applications)
  • Engineered to ensure accurate inputs to the engine control unit
  • Durable construction designed to strict specifications
  • Backed by a reputable US-based company
• Pros:
  • Cost-effective alternative to OEM
  • Reliable performance and good durability
  • Designed for easy, direct installation
• Cons:
  • May not have the “Mopar” branding for purists
  • Compatibility needs to be double-checked thoroughly with your specific model
• User Impressions: Many users report that Dorman parts are a dependable alternative to OEM, offering great value without compromising significantly on quality. They often highlight the ease of installation and the immediate improvement in engine symptoms after replacement.
• See it on Amazon here

A-Premium Engine Camshaft Position Sensor Compatible with…

A-Premium offers a broad compatibility with a single part, making this camshaft position sensor a versatile option for various Chrysler, Dodge, and Jeep vehicles, including the 3.6L Jeep Grand Cherokee and Wrangler (2012-2020). Its extensive fitment list and direct reference to OEM part numbers like 5149141AF make it a strong contender for those looking for a reliable aftermarket sensor that covers many bases. It comes with a one-year unlimited-mileage guarantee, providing confidence in your purchase.

• Key Features:
  • Wide vehicle fitment (including 3.6L Jeep JK Wrangler 2012-2020)
  • References multiple OEM and aftermarket part numbers (e.g., 5149141AF)
  • 4-pin blade terminal for direct connection
  • One-year unlimited-mileage guarantee
• Pros:
  • Excellent value for money
  • Broad compatibility, useful if you own multiple vehicles
  • Solid warranty for peace of mind
• Cons:
  • “One size fits many” approach might not be as perfectly optimized as an OEM part
  • Some users prefer a brand with a longer automotive history
• User Impressions: Customers appreciate the competitive pricing and the apparent quality for an aftermarket part. The wide range of compatible vehicles is a big plus for those with multiple Mopar family vehicles, and the warranty adds a layer of trust.
• See it on Amazon here

Camshaft Position Sensor, Cam Sensor Compatible with…

This aftermarket camshaft position sensor aims to be an all-in-one solution for common Mopar 3.6L engine issues, providing broad compatibility across various Chrysler, Dodge, and Jeep models, including the 2012-2024 Jeep Wrangler JK/JKU. It directly replaces OEM part 5149141AF and others, emphasizing OE-level fit, form, and function. The product description also clearly outlines the common symptoms of a failing sensor, helping users diagnose their issues.

• Key Features:
  • Broad compatibility with Chrysler, Dodge, Jeep, and Ram 3.6L vehicles
  • Replaces multiple OEM part numbers (e.g., 5149141AF)
  • Designed for OE fit, form, and function
  • Brand new and ready to install out of the box
• Pros:
  • Very wide application range for 3.6L engines
  • Cost-effective replacement option
  • Emphasizes meeting or exceeding original equipment performance
• Cons:
  • As an aftermarket part, brand-specific reputation might vary
  • “Friendly Note” about it not being a genuine part could deter some
• User Impressions: Buyers are generally satisfied with the straightforward installation and the resolution of common sensor-related problems. Its broad compatibility makes it a convenient choice for multi-vehicle households, and the immediate performance improvement is often noted.
• See it on Amazon here

5149141AF Camshaft Position Sensor Compatible with Chrysler…

This camshaft position sensor, clearly referencing the common 5149141AF OEM part number, is designed as a direct plug-and-play replacement for a vast array of 3.6L Chrysler, Dodge, Jeep, and Ram vehicles, including the Jeep Grand Cherokee and Wrangler from 2011-2020. Its direct replacement design ensures easy installation without extensive adjustments, making it a favorite for DIYers. The 18-month warranty also provides a significant assurance for buyers.

• Key Features:
  • Extensive fitment for 3.6L engines across multiple brands
  • Direct replacement of OEM part number 5149141AF
  • Plug-in installation method for ease of use
  • 18-month worry-free warranty
• Pros:
  • Excellent warranty period for an aftermarket part
  • Simple, direct installation process
  • Comprehensive list of compatible vehicles
• Cons:
  • Specific brand name (A-NAFTULY) might be less recognized than Dorman
  • Accuracy of fitment list should always be verified by the user
• User Impressions: Users frequently commend the plug-and-play nature of this sensor, reporting that it resolves their check engine light and performance issues immediately. The generous warranty period is a definite highlight for many, fostering trust in the product.
• See it on Amazon here

AUTOKAY 05149141AF 2 X Camshaft Position Sensor PC950…

If you’re looking for value, this AUTOKAY offering provides not one, but two camshaft position sensors, making it an excellent deal for those who might need a spare or want to replace both intake and exhaust cam sensors (if applicable to their engine design, or just have a backup). Referencing multiple OEM and aftermarket part numbers, this kit is specifically designed for a wide range of 3.6L Pentastar engine applications, including the 2012-2022 Jeep Wrangler. It’s a pragmatic choice for those who value cost-efficiency.

• Key Features:
  • Comes with 2 camshaft position sensors
  • Replaces multiple OEM and aftermarket part numbers (e.g., 05149141AF, PC950)
  • Extensive fitment for 3.6L Chrysler, Dodge, Jeep, Ram, and VW vehicles
  • Cost-effective solution
• Pros:
  • Great value with two sensors included
  • Wide compatibility with 3.6L engines
  • Direct replacement for easy installation
• Cons:
  • Quality of “generic” aftermarket parts can sometimes be inconsistent
  • Might only need one sensor, leaving a spare unless proactive
• User Impressions: Buyers love the two-pack deal, seeing it as a smart way to save money or have an immediate backup. They generally find the sensors perform as expected, clearing fault codes and restoring engine smoothness.
• See it on Amazon here

for Jeep Wrangler JK Camshaft Position Sensor 2008 09 10…

This sensor specifically targets the earlier 3.8L V6 Jeep JK Wrangler models from 2008-2010 (and potentially 2011, though the title specifies older years), providing an exact fit to OEM part number 5149078AB. For owners of these older JKs, finding a precisely matched part can be a relief. It features a 3-prong blade male terminal and a single female connector, adhering to the original specifications and meeting or exceeding DOT & SAE compliance standards.

• Key Features:
  • Exact fit to OEM#: 5149078AB
  • Specifically for Jeep Wrangler JK 2008-2010 (3.8L engine)
  • 3-Prong Blade Male Terminal; 1 Female Connector
  • Meets or exceeds DOT & SAE compliance standards
• Pros:
  • Perfect fit for older 3.8L Jeep JKs
  • Adheres to industry compliance standards
  • Brand new in box, factory sealed
• Cons:
  • Limited compatibility to specific older JK years and engine
  • Brand name is generic, so long-term reliability might need user verification
• User Impressions: Owners of the earlier 3.8L JKs appreciate having a dedicated option that fits their specific engine without guesswork. They report that it reliably solves the issues associated with a faulty camshaft sensor, restoring their Jeep’s performance.
• See it on Amazon here

Camshaft Position Sensor compatible with Jeep Wrangler JK…

This offering focuses specifically on the 2018 Jeep Wrangler JK with the 3.6L V6 engine. While seemingly narrow in its stated compatibility, this precision can be a benefit for those who want a part explicitly designed for their model year. Marketed as “Genuine Parts” (though without a specific OEM brand like Mopar), it promises a direct replacement with original packaging and hardware, suggesting a high standard of quality for this specific application.

• Key Features:
  • Compatible with Jeep Wrangler JK 2018 3.6L V6
  • Marketed as “Genuine Parts” (implying high quality)
  • Includes original packaging and hardware
  • Direct replacement auto part
• Pros:
  • Precise fit for 2018 3.6L JK
  • Suggests high quality (“Genuine Parts”)
  • Direct replacement for ease of installation
• Cons:
  • Very limited stated compatibility range
  • “Genuine Parts” claim could be interpreted differently by users
• User Impressions: Customers owning a 2018 JK with the 3.6L engine often report a perfect fit and quick resolution of their sensor issues. The promise of “genuine” quality is appealing, and for many, it delivers the expected performance.
• See it on Amazon here

A-Premium 2-PC Engine Camshaft Crankshaft Position Sensor…

This A-Premium package is a standout because it offers both a camshaft position sensor AND a crankshaft position sensor in one go, specifically for the Jeep Wrangler JK 2008-2011 3.8L V6 engine (OHV, manual transmission). This two-in-one deal is perfect for those troubleshooting engine timing issues, as both sensors often work in tandem. It covers various OEM part numbers for the 3.8L engine and comes with a 1-Year Unlimited-Mileage Warranty, providing comprehensive coverage for your older JK.

• Key Features:
  • Includes both Camshaft and Crankshaft Position Sensors
  • Specific fit for Jeep Wrangler JK 2008-2011 3.8L V6 (OHV; Manual)
  • References multiple OEM part numbers for 3.8L engine
  • 1-Year Unlimited-Mileage Warranty
• Pros:
  • Excellent value by including both critical sensors
  • Targeted specifically for the 3.8L JK engine
  • Strong warranty coverage
• Cons:
  • Only for 3.8L JKs, not compatible with 3.6L Pentastar
  • Might replace a good crankshaft sensor unnecessarily if only the cam sensor is faulty
• User Impressions: Buyers with the 3.8L JK highly value getting both sensors together, especially when diagnosing mysterious engine stumbles. They report smooth installation and effective resolution of engine codes, making it a popular choice for older JK owners.
• See it on Amazon here

AUTOKAY 2Pcs Camshaft Position Sensor PC950 Compatible with…

Similar to another AUTOKAY listing, this package also provides two camshaft position sensors, making it a cost-effective choice for those needing replacements for 3.6L Pentastar engines across a wide range of Chrysler, Dodge, Jeep, and Ram vehicles. The comprehensive fitment list includes the 2012-2024 Jeep Wrangler, ensuring broad applicability. Replacing the common 05149141AF part number, this twin pack is a sensible option for value-conscious buyers who want a spare or need to replace multiple sensors.

• Key Features:
  • Includes 2 camshaft position sensors
  • Replaces common 05149141AF and PC950 part numbers
  • Extensive compatibility with 3.6L engines (including 2012-2024 Jeep Wrangler)
  • Cost-effective bundle
• Pros:
  • Excellent value, offering two sensors
  • Broad compatibility across many newer Jeep/Mopar vehicles
  • Direct replacement design
• Cons:
  • Quality can vary with generic aftermarket brands
  • You might only need one sensor, leading to an unused spare
• User Impressions: Customers are often drawn to the value proposition of receiving two sensors. They typically find these sensors to be functional and effective in resolving their engine issues, offering a budget-friendly solution for their jeep jk camshaft position sensor needs.
• See it on Amazon here

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Frequently Asked Questions about the Jeep JK Camshaft Position Sensor

Q1: What exactly does a camshaft position sensor do in my Jeep JK?
A1: The camshaft position sensor (CMP sensor) monitors the speed and position of the camshaft, which controls the opening and closing of your engine’s valves. It sends this information to the engine’s computer (ECU), allowing it to accurately time fuel injection and ignition, ensuring your engine runs efficiently and smoothly.

Q2: What are the common symptoms of a bad Jeep JK camshaft position sensor?
A2: Common signs include the “Check Engine” light illuminating (often with codes like P0340 or P0344), difficulty starting your Jeep, a rough or erratic idle, engine stalling unexpectedly, reduced engine power, or poor fuel economy.

Q3: Can I replace the camshaft position sensor myself on my Jeep JK?
A3: For many Jeep JK owners, replacing the camshaft position sensor is a fairly straightforward DIY task. It usually involves locating the sensor, disconnecting the electrical connector, unbolting it, and installing the new one. However, the exact location and ease of access can vary slightly between the 3.6L Pentastar and 3.8L engines, so always consult your owner’s manual or a service guide.

Q4: Is there a difference between a camshaft position sensor for a 3.8L and a 3.6L Jeep JK engine?
A4: Yes, absolutely! The 3.8L V6 engine (found in 2007-2011 JKs) and the 3.6L Pentastar V6 engine (in 2012-2018 JKs) use different camshaft position sensors. They have different part numbers and physical connectors/fittings. Always ensure you purchase the correct sensor for your specific engine and model year to avoid compatibility issues.

Q5: What’s the difference between an OEM and an aftermarket camshaft position sensor?
A5: OEM (Original Equipment Manufacturer) sensors are made by the same company that supplied the part to Jeep for your vehicle’s original assembly. They’re guaranteed to fit and perform exactly as the original. Aftermarket sensors are made by other companies. They are often more affordable and can offer comparable performance, but quality can vary between brands. Choosing a reputable aftermarket brand is key.

Q6: Will a bad camshaft position sensor damage my Jeep JK’s engine if I don’t replace it immediately?
A6: While a failing camshaft position sensor won’t typically cause immediate catastrophic engine damage, it can lead to unreliable engine performance, misfires, reduced fuel economy, and potentially leave you stranded. Prolonged driving with a faulty sensor could also indirectly stress other engine components due to incorrect timing. It’s best to replace it as soon as symptoms appear.

Q7: How much does it typically cost to replace a Jeep JK camshaft position sensor?
A7: The cost of the sensor itself can range from $20 for budget aftermarket options to $100+ for genuine Mopar parts. If you’re doing it yourself, that’s your only cost. If you have a mechanic do it, labor costs will vary depending on their hourly rate and how accessible the sensor is, typically adding $50-$150.

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Final Thoughts

A properly functioning jeep jk camshaft position sensor is vital for your Wrangler’s smooth operation and overall health. We hope this guide has shed some light on what to look for and, more importantly, helped you find the perfect replacement from our top 10 list. Whether you opt for a trusted OEM part or a high-quality aftermarket alternative, getting this sensor sorted will bring back that familiar Jeep performance you love. Happy trails!