7 Best Camshaft and Crankshaft Position Sensor Kits for Smooth Engine Performance

Has your car been acting a bit finicky lately? Maybe the “Check Engine” light popped on, or you’ve noticed a strange hesitation when accelerating? These could be signs of trouble with crucial components like the camshaft and crankshaft position sensor. These unsung heroes play a vital role in your engine’s precise operation, ensuring everything runs smoothly, from ignition timing to fuel injection.

Without properly functioning sensors, your vehicle’s engine control unit (ECU) can’t accurately determine the position of your engine’s internal components, leading to a whole host of performance issues. Replacing them can often resolve these problems, bringing back your car’s lost pep and reliability.

But with so many options out there, how do you pick the right one? Don’t sweat it! We’ve scoured the market to bring you a comprehensive guide to the top 7 camshaft and crankshaft position sensor kits available, highlighting their unique features, pros, cons, and what users are saying. Let’s dive in and find the perfect fit for your ride!

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Understanding the Importance of Your Engine’s Sensors

Before we look at the products, let’s quickly touch on why these sensors are so critical. The camshaft position sensor monitors the position of the camshaft, which controls the opening and closing of your engine’s valves. The crankshaft position sensor tracks the rotational speed and position of the crankshaft, the heart of your engine’s rotational movement. Together, they provide the ECU with real-time data needed to optimize ignition timing, fuel delivery, and overall engine performance. When they go bad, you might experience rough idling, stalling, reduced fuel efficiency, or even a no-start condition.

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Our Top Picks for Camshaft and Crankshaft Position Sensor Kits

Here are our detailed reviews of the best sensor kits to get your vehicle back on track:

1. A-Premium Camshaft Crankshaft Position Sensor Compatible…

This A-Premium kit offers a comprehensive solution for a range of Nissan and Infiniti models, providing both camshaft and crankshaft sensors in one convenient package. What truly sets it apart is its meticulous design aimed at being a direct replacement for your original parts, ensuring a hassle-free installation process. With A-Premium, you’re not just getting parts; you’re investing in peace of mind, backed by a solid warranty that speaks to their confidence in product quality.

• Key Features:

  • Broad compatibility with specific Infiniti (FX35, G35, I35, M35) and Nissan (350Z, Altima, Maxima, Murano, Quest) V6 3.5L models.
  • Includes 2 Camshaft Position Sensors and 1 Crankshaft Position Sensor.
  • Direct replacement design for original equipment (OE) numbers.
  • Features 3-pin blade terminals and black color for exact fit.
  • Backed by a one-year unlimited-mileage guarantee.

• Pros:

  • Comprehensive 3-piece kit covers multiple critical sensors.
  • Excellent vehicle-specific fitment for popular models.
  • Comes with a reassuring one-year warranty.
  • Designed for direct, easy plug-and-play installation.

• Cons:

  • Fitment is highly specific to VQ35DE engines, limiting universal use.
  • May require professional diagnosis to confirm which sensor is faulty if not all are needed.

• User Impressions: Many users praise this kit for its accuracy and ease of installation, noting that it effectively resolved their check engine light issues and restored smooth engine operation. The value of getting all three critical sensors in one package is a recurring positive theme.
  See it on Amazon here

2. CARBBIA 4PCS Camshaft & 1PCS Crankshaft Position Sensor…

For those with a wider range of GM vehicles, this CARBBIA kit is a game-changer. It stands out by including four camshaft position sensors alongside one crankshaft position sensor, offering an exceptionally comprehensive solution for complex engine systems. This makes it an ideal choice for mechanics or DIYers who want to cover all their bases, ensuring they have every sensor needed for specific Buick, Cadillac, Chevrolet, GMC, Saab, and Saturn models.

• Key Features:

  • Extensive compatibility with numerous Buick, Cadillac, Chevrolet, GMC, Saab, and Saturn models from 2010 onwards.
  • Replaces a multitude of OEM and aftermarket part numbers.
  • Includes 4 Camshaft Position Sensors and 1 Crankshaft Position Sensor.
  • Designed to be a direct fit for specified vehicles.

• Pros:

  • Highly comprehensive kit with five sensors for various engine banks.
  • Exceptional compatibility across a wide range of GM vehicles.
  • Offers great value for money by providing multiple sensors.
  • Exact fitment helps ensure proper engine function.

• Cons:

  • The large number of sensors might be more than some users need.
  • Users must carefully verify fitment against their specific vehicle’s year, make, and model.

• User Impressions: Customers often express satisfaction with the broad compatibility and the completeness of the kit, finding it a convenient and cost-effective way to address multiple sensor-related issues in their compatible vehicles. The quality is generally reported as reliable for aftermarket parts.
  See it on Amazon here

3. higherbro 2pcs Crankshaft + Camshaft Position Sensor Kits…

The higherbro 2-piece kit is a targeted solution for a vast array of older GM and Hummer models, particularly those featuring Chevrolet’s robust LS-series engines. What makes this kit notable is its focus on providing the essential crankshaft and camshaft sensors in one package for a broad legacy of vehicles, from classic Pontiac Firebirds to heavy-duty Chevrolet Silverados. It’s an excellent choice for keeping these workhorse engines running smoothly without breaking the bank.

• Key Features:

  • Compatible with a massive list of GM vehicles including Pontiac, Cadillac, Chevrolet, GMC, Buick, and Hummer, primarily from the late 90s to mid-2000s.
  • Includes 1 Camshaft Position Sensor and 1 Crankshaft Position Sensor.
  • Designed for direct fitment to ensure proper operation.

• Pros:

  • Extremely wide vehicle compatibility for popular older GM platforms.
  • Provides both essential sensors in a single, convenient kit.
  • Cost-effective solution for common sensor replacements.
  • Supports many high-volume models, making parts readily available.

• Cons:

  • Fitment list is very extensive, requiring careful verification by the buyer.
  • Primarily targets older vehicle models, less applicable to newer cars.

• User Impressions: Drivers of compatible GM trucks and SUVs frequently report positive outcomes, citing resolved engine misfires and improved starting. The kit is often praised for its ability to directly replace the original parts, making the repair process straightforward for DIY enthusiasts.
  See it on Amazon here

4. Set of 3 Camshaft Crankshaft Position Sensor Compatible…

This 3-piece sensor set distinguishes itself with its focus on precise OEM number matching and a clear explanation of sensor function, instilling confidence in buyers. Not only does it offer comprehensive coverage for popular Nissan and Infiniti models (including Pathfinder, Frontier, and Xterra), but it also backs its product with an 18-month worry-free warranty. This combination of precise fitment and extended assurance makes it a compelling choice for those seeking reliability.

• Key Features:

  • Compatible with a wide range of Infiniti and Nissan V6 3.5L and 4.0L engines.
  • Includes 2 Camshaft Position Sensors and 1 Crankshaft Position Sensor.
  • Directly replaces numerous specific OEM part numbers for exact compatibility.
  • Provides a detailed explanation of sensor function and failure symptoms.
  • Comes with an 18-month worry-free warranty for customer peace of mind.

• Pros:

  • Strong emphasis on OEM number matching for guaranteed fit.
  • Generous 18-month warranty provides extended protection.
  • Clearly outlines sensor functions, aiding in understanding the purchase.
  • Covers a good range of popular Nissan and Infiniti models.

• Cons:

  • Despite the description, users should still double-check their specific OEM part numbers.
  • The brand name “A-NAFTULY” might be less recognized than others.

• User Impressions: Customers often appreciate the exact fit and the fact that the kit includes all necessary sensors. Many have reported successful resolution of their vehicle’s issues, with the extended warranty being a significant confidence booster for their purchase.
  See it on Amazon here

5. ApplianPar Engine Camshaft and Crankshaft Position Sensor…

This ApplianPar kit offers a practical 2-piece solution, providing one camshaft and one crankshaft position sensor specifically for a wide variety of older GM trucks, vans, and SUVs from the mid-90s to early 2000s. Its key strength lies in its ability to replace common OEM part numbers for these workhorse vehicles, making it a reliable and economical choice for maintaining an extensive fleet of older GM models, including popular names like Astro, Blazer, Express, and Savana.

• Key Features:

  • Replaces several common GM OEM part numbers (e.g., 12596851, 10456607).
  • Compatible with a vast array of Cadillac, Chevrolet, and GMC models from 1995-2007.
  • Includes 1 Engine Camshaft Position Sensor and 1 Engine Crankshaft Position Sensor.
  • Designed for direct fitment in specified vehicles.

• Pros:

  • Excellent compatibility for a wide range of older, popular GM vehicles.
  • Cost-effective solution for replacing two essential sensors.
  • Direct replacement for common OEM parts, simplifying installation.
  • Ideal for maintaining older fleet or personal vehicles.

• Cons:

  • Only includes one of each sensor type, which might not be enough for some multi-camshaft engines.
  • Primarily targets older models, limiting its applicability to modern vehicles.

• User Impressions: Users with older GM vehicles frequently commend this kit for its straightforward installation and effectiveness in resolving various engine performance issues. It’s often seen as a reliable aftermarket alternative to more expensive OEM parts, providing solid value.
  See it on Amazon here

6. CARBBIA 2PCS 12577245 Camshaft & 1PCS 12588992 Crankshaft…

Another strong contender from CARBBIA, this kit focuses on a different segment of GM vehicles, targeting newer models with specific part number replacements. It stands out by providing two camshaft sensors and one crankshaft sensor, ensuring comprehensive coverage for engines that utilize dual camshaft sensors. Its wide compatibility with various Buick, Chevrolet, Pontiac, Saab, and Saturn models makes it a versatile choice for a broad user base seeking reliable sensor replacements.

• Key Features:

  • Replaces specific part numbers 12577245 (Camshaft) and 12588992 (Crankshaft).
  • Compatible with numerous Buick, Chevrolet, Pontiac, Saab, and Saturn models from 2006-2017.
  • Package includes 2 Camshaft Position Sensors and 1 Crankshaft Position Sensor.
  • Designed for direct fitment and easy replacement.

• Pros:

  • Good coverage for many popular mid-2000s to mid-2010s GM vehicles.
  • Provides two camshaft sensors for engines that require them.
  • Direct replacement design simplifies the installation process.
  • Solid option for resolving common engine sensor issues.

• Cons:

  • Requires careful verification of part numbers and specific vehicle models.
  • Warranty information is not explicitly detailed in the features.

• User Impressions: Customers often report that these sensors effectively clear “Check Engine” lights and restore smooth engine operation. The convenience of getting the correct number of camshaft sensors for their specific engine configuration is frequently highlighted as a benefit.
  See it on Amazon here

7. MOTOKU Camshaft and Crankshaft Position Sensor for Cadillac…

The MOTOKU sensor kit offers an impressively broad fitment for a diverse range of GM vehicles, from Cadillac and Hummer to Chevrolet and GMC, spanning several years and popular models. What makes it noteworthy is its extensive list of compatible OEM and aftermarket part numbers, making it highly cross-compatible. This makes it an excellent choice for those looking for a versatile replacement that covers many different engine configurations and older platform vehicles.

• Key Features:

  • Extremely wide compatibility with a vast range of Cadillac, Chevrolet, GMC, Hummer, Isuzu, Buick, and Pontiac models.
  • Replaces an extensive list of OEM and aftermarket part numbers (e.g., PC278T, 12555566, 917-715).
  • Includes both Camshaft and Crankshaft Position Sensors.
  • Designed for direct fitment.

• Pros:

  • Unmatched vehicle compatibility across a huge range of GM models and years.
  • Cross-references a very large number of replacement part numbers.
  • Provides both essential sensors in one convenient kit.
  • A reliable choice for common engine sensor faults in compatible vehicles.

• Cons:

  • The sheer number of compatible vehicles means buyers must be extra diligent in verifying their specific fitment.
  • Specific quantities of camshaft/crankshaft sensors are not detailed, implying one of each.

• User Impressions: Many users appreciate the broad compatibility, making it easier to find a suitable replacement for a variety of GM vehicles. They often report that the sensors work as expected, solving intermittent engine issues and improving overall vehicle reliability after installation.
  See it on Amazon here

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Frequently Asked Questions (FAQ)

Q1: What exactly do the camshaft and crankshaft position sensors do?
A: These sensors are like your engine’s eyes and ears. The crankshaft position sensor monitors the speed and position of the crankshaft, which is the main rotating component of your engine. The camshaft position sensor tracks the position of the camshafts, which control the opening and closing of your engine’s valves. Together, they send vital data to your vehicle’s Engine Control Unit (ECU) to precisely time fuel injection and ignition, ensuring optimal engine performance and fuel efficiency.

Q2: What are the common symptoms of a faulty camshaft or crankshaft position sensor?
A: Signs of a failing sensor can include your “Check Engine” light illuminating, difficulty starting your vehicle, frequent stalling, rough idling, engine misfires, reduced power, or even unexpected acceleration or deceleration. Sometimes, your car might not start at all.

Q3: Can I replace a camshaft and crankshaft position sensor myself?
A: For many vehicles, replacing these sensors can be a relatively straightforward DIY task, especially if they’re easily accessible. It usually involves unplugging the old sensor and bolting in the new one. However, some sensors are located in harder-to-reach spots, or professional diagnostic tools might be needed to confirm the issue or clear codes afterward. If you’re unsure, it’s always best to consult a qualified mechanic.

Q4: Why do some kits include multiple camshaft sensors and one crankshaft sensor?
A: Many modern engines, especially V6 or V8 configurations, have multiple camshafts (one for each bank of cylinders, or separate intake/exhaust cams). This means they require more than one camshaft position sensor to monitor all cams accurately. Crankshafts, however, typically only have one sensor monitoring them. Kits providing multiple camshaft sensors ensure you have all the necessary parts for a complete replacement for your specific engine design.

Q5: How do I know which sensor is failing if my “Check Engine” light is on?
A: The best way to diagnose a failing sensor is to use an OBD-II scanner. This tool plugs into your vehicle’s diagnostic port and will read specific trouble codes (DTCs) that point to the exact sensor or circuit that’s malfunctioning (e.g., P0335 for crankshaft, P0340 for camshaft). This is much more accurate than guessing.

Q6: Are aftermarket sensors as reliable as original equipment manufacturer (OEM) sensors?
A: High-quality aftermarket sensors can be just as reliable as OEM parts and often come at a more affordable price. It’s crucial to choose reputable brands and read reviews, like those in this guide, to ensure you’re getting a well-made product. Always verify that the aftermarket sensor is designed as a direct replacement for your specific vehicle and OEM part number.

Q7: How important is vehicle compatibility when buying these sensors?
A: Vehicle compatibility is absolutely critical! Even a slight difference in sensor design or connector type can lead to improper fitment, non-functionality, or even damage to your engine’s electrical system. Always double-check the product’s listed compatible vehicles, engine sizes, and specific OEM part numbers to ensure it’s the right fit for your car.