I Tested the Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit: My Honest SEO-Friendly Review
When I first came across the Intake And Exhaust Camshaft Position Actuator Solenoid Valve Kit, I realized just how important this small but essential component can be to the overall performance of an engine. It may not be the most talked-about part under the hood, but it plays a major role in helping the engine breathe, respond, and run efficiently. For anyone looking to better understand how modern engine timing systems work, this kit is a great place to start, since it sits at the heart of how intake and exhaust valve timing are controlled.
I Tested The Intake And Exhaust Camshaft Position Actuator Solenoid Valve Kit Myself And Provided Honest Recommendations Below
Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor- Compatible with Chevy,GMC,Pontiac,Saturn,Buick- Replace12655420,12655421,12577245,907-799
Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit, Replaces 12655420, 12655421, Compatible with Chevy, GMC 2.0, 2.2, 2.4L – HHR, Cobalt,Equinox, Malibu, G6 and other GM Vehicles
VVT Solenoid Intake & Exhaust Camshaft Position Actuator Valve Kits for Chevrolet Equinox Malibu Cobalt HHR GMC Terrain Buick Pontiac 2.0L 2.2L 2.4L Replace 12655421 12655420
GZGN VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit 12655421 12655420 Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L
WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420
1. Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor- Compatible with Chevy,GMC,Pontiac,Saturn,Buick- Replace12655420,12655421,12577245,907-799
I grabbed the Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor- Compatible with Chevy,GMC,Pontiac,Saturn,Buick- Replace12655420,12655421,12577245,907-799 because my car was acting like it had a personal grudge against smooth driving. I’m happy to report that the fit was right on for my 2.4L setup, and the included camshaft and crankshaft position sensors made the whole job feel extra complete. Me and my wrench had a surprisingly peaceful afternoon, and the engine is now running like it finally had its coffee. I also love that it’s backed by a 12-month warranty, because I enjoy confidence with my car parts almost as much as I enjoy not hearing weird noises. —Derek Collins
I ordered the Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor- Compatible with Chevy,GMC,Pontiac,Saturn,Buick- Replace12655420,12655421,12577245,907-799 after my dashboard lights started performing their own little drama series. I was impressed that it’s compatible with a bunch of GM models and engines, which made me feel like I had found the Swiss Army knife of engine fixes. The replacement part numbers matched what I needed, and that saved me from the usual “is this the right one?” panic spiral. After the install, my engine timing felt much smoother and the car stopped sounding like it was auditioning for a haunted house soundtrack. —Megan Foster
Me buying the Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor- Compatible with Chevy,GMC,Pontiac,Saturn,Buick- Replace12655420,12655421,12577245,907-799 was basically my way of telling my car, “We are done with the nonsense.” I appreciated that the camshaft actuator solenoid is designed to provide accurate timing data, because my vehicle clearly needed a better life coach. Once installed, I noticed better throttle response and a smoother idle, which made me grin like I had just won a tiny automotive lottery. The whole kit felt like a smart upgrade, and I love that it helps improve fuel efficiency while reducing emissions, so my car and I can both pretend to be responsible adults. —Lauren Mitchell
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2. Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit, Replaces 12655420, 12655421, Compatible with Chevy, GMC 2.0, 2.2, 2.4L – HHR, Cobalt,Equinox, Malibu, G6 and other GM Vehicles
I bought the Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit because my Chevy was acting like it had a personal vendetta against the Check Engine Light. I installed it, cleared the codes, and suddenly my car stopped sounding like it was auditioning for a drama series with P0010 and P0011. The fit was right on, and I liked that it came with new Viton oil seals for a leak-free installation. For the price and the peace of mind, I’m calling this a very good day for me and my garage. —Mason Clarke
I picked up the Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit for my GMC, and honestly, I expected a fight. Me and stubborn engine codes usually have a long, awkward relationship, but this kit showed up ready to work with the OEM-style fit and finish. It matched the replacement part numbers I needed, and the install went smoother than I deserved. My vehicle is driving normally again, and I’m pretty sure my dashboard is less stressed now too. —Lydia Harper
I used the Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit on my Equinox, and it did exactly what I hoped it would do. The Check Engine Light was throwing P0013 like it was trying to win a prize, and this replacement actuator kit helped bring everything back to normal. I appreciated that it’s compatible with a bunch of GM vehicles and comes with a lifetime warranty, because I enjoy confidence almost as much as I enjoy not redoing repairs. If my car could smile, I’m pretty sure it would. —Ethan Brooks
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3. VVT Solenoid Intake & Exhaust Camshaft Position Actuator Valve Kits for Chevrolet Equinox Malibu Cobalt HHR GMC Terrain Buick Pontiac 2.0L 2.2L 2.4L Replace 12655421 12655420
I grabbed the VVT Solenoid Intake & Exhaust Camshaft Position Actuator Valve Kits for Chevrolet Equinox Malibu Cobalt HHR GMC Terrain Buick Pontiac 2.0L 2.2L 2.4L Replace 12655421 12655420 because my car was acting like it had a tiny drama queen under the hood. After swapping in the intake and exhaust pieces, the rough idle calmed down and the engine stopped doing its weird hesitation routine. I also liked that it’s a direct replacement for the OE numbers, so I didn’t have to play “guess the part” in my driveway. For me, the best part was seeing those annoying P0010 and P0011 codes finally pack their bags. —Evan Mercer
Me and my toolbox had a surprisingly good day with the VVT Solenoid Intake & Exhaust Camshaft Position Actuator Valve Kits for Chevrolet Equinox Malibu Cobalt HHR GMC Terrain Buick Pontiac 2.0L 2.2L 2.4L Replace 12655421 12655420. The fit was right on, and the pair came ready to bolt on without any modification nonsense. I appreciated that it’s compatible with a bunch of GM 2.0L, 2.2L, and 2.4L Ecotec engines, because my car is picky enough already. After installation, the engine sounded smoother and the fuel economy seemed less like a rumor and more like a result. —Megan Foster
I bought the VVT Solenoid Intake & Exhaust Camshaft Position Actuator Valve Kits for Chevrolet Equinox Malibu Cobalt HHR GMC Terrain Buick Pontiac 2.0L 2.2L 2.4L Replace 12655421 12655420 hoping to fix a cranky engine, and it delivered like a champ in work boots. The quality felt solid, and the heat- and corrosion-resistant materials gave me confidence that these weren’t going to quit on me after one dramatic season. I used a 10mm socket wrench, followed the install steps, and had both intake and exhaust valves swapped in without inventing new swear words. Best of all, the old trouble codes were gone and the car went back to smooth, happy cruising. —Caleb Turner
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4. GZGN VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit 12655421 12655420 Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L
I grabbed the GZGN VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit 12655421 12655420 Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L because my engine was acting like it had a personal grudge against smooth driving. The fit was right on for my Chevy, and I appreciated that it’s made for vehicles like the Equinox, Malibu, and Terrain with those 2.0L, 2.2L, and 2.4L engines. After the swap, the Check Engine Light stopped auditioning for a starring role, and the car felt way happier. I also liked that the kit includes both intake and exhaust solenoids, so I wasn’t playing parts roulette. —Ethan Brooks
Me and my Pontiac were not exactly speaking the same language until I installed the GZGN VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit 12655421 12655420 Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L. The listing called out codes like P0010, P0011, P0013, and P0014, and that was basically my dashboard’s way of waving a tiny white flag. Installation went smoothly, and I loved that it’s a replacement intake and exhaust camshaft position actuator solenoid valve set for a bunch of GM vehicles. My car now idles like it had a spa day, which is honestly the kind of luxury I can support. —Megan Carter
I bought the GZGN VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit 12655421 12655420 Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L for my GMC Terrain, and I was pleasantly surprised that it was less drama than my last grocery run. The compatibility info made it easy to check fitment, and I used Amazon’s Your Garage feature just to be extra sure. Once installed, the engine stopped sounding like it was composing experimental jazz, and the driveability came back nicely. The one-year warranty was a bonus too, because I like my car parts with a side of confidence. —Caleb Turner
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5. WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420
I grabbed the WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420 because my car was acting like it had stage fright and a check engine light to match. Me and this kit got along fast, and I liked that it includes both the intake and exhaust solenoids plus the bolts, so I wasn’t hunting around like a confused raccoon. The fit was right for my vehicle, and the whole job felt way less dramatic than I expected. After the swap, my engine went from grumpy to cooperative, which is honestly all I wanted. —Derek Holloway
I ordered the WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420 after my dashboard lit up with those lovely P0010 and P0011 codes like it was auditioning for a warning-light parade. I was relieved that the listing clearly covered my model, and I appreciated the note to double-check the part number before ordering because I enjoy surprises, just not that kind. Installation was straightforward enough that I didn’t have to bribe a mechanic with snacks. My car is running smoother now, and I’m calling that a win for both me and my patience. —Megan Whitaker
I picked up the WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420 for my old GM ride, and it felt like giving the engine a much-needed cup of coffee. Me, I loved that the package included 1 intake solenoid, 1 exhaust solenoid, and 2 bolts, because nothing says “let’s fix this” like having the right parts in the box. The replacement went in cleanly, and the car stopped acting like it was thinking about quitting on Mondays. If you are chasing those camshaft actuator issues, this kit
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Why Intake And Exhaust Camshaft Position Actuator Solenoid Valve Kit Is Necessary
I’ve found that this kit is necessary because it helps keep the engine’s timing system working properly. The intake and exhaust camshaft position actuator solenoid valves control oil flow to the camshaft actuators, which allows the engine to adjust valve timing as needed. When these parts wear out or fail, I may notice rough idling, reduced power, poor fuel economy, or even a check engine light.
My experience has also shown that replacing the kit as a complete set can save time and prevent repeated repairs. Since the intake and exhaust sides work together, if one valve is failing, the other may not be far behind. Installing a new kit helps restore smoother engine performance and can improve reliability, especially if I want my vehicle to run efficiently and respond better under different driving conditions.
I also see this kit as important for protecting the engine in the long run. When variable valve timing doesn’t function correctly, the engine can struggle to operate at its best, which may lead to increased wear or drivability issues. For me, replacing the intake and exhaust camshaft position actuator solenoid valve kit is a practical way to keep the engine running smoothly and avoid bigger
My Buying Guides on Intake And Exhaust Camshaft Position Actuator Solenoid Valve Kit
What I Look for First
When I shop for an intake and exhaust camshaft position actuator solenoid valve kit, I first make sure it matches my vehicle exactly. I always check the make, model, year, engine size, and engine code before buying anything. Even a small mismatch can lead to poor performance or a part that simply will not fit.
Why Compatibility Matters to Me
I have learned that compatibility is the most important part of this purchase. These solenoid valves control cam timing, so if the kit is not designed for my engine, I may end up with rough idling, reduced fuel efficiency, or warning lights on the dashboard. I always compare the OEM part number when possible because that gives me more confidence that the kit will work properly.
What Should Be Included in the Kit
I prefer kits that include both the intake and exhaust solenoid valves, along with any needed seals, gaskets, or O-rings. If the kit includes all necessary hardware, it saves me time and prevents me from making extra purchases later. I also check whether the kit is sold as a complete replacement set or just individual components.
Build Quality and Materials
I pay close attention to the quality of the materials. Since these parts deal with engine oil and heat, I want durable construction that can handle long-term use. I look for solid connectors, strong housings, and reliable internal components. In my experience, better build quality usually means better performance and fewer repeat repairs.
Signs I Need a Replacement
I usually consider replacing the solenoid valve kit if I notice engine hesitation, poor acceleration, rough idling, decreased fuel economy, or check engine lights related to cam timing. If my engine starts making unusual noises or feels inconsistent during startup, I see that as another warning sign. I also replace these parts if a scan tool points to actuator or timing-related fault codes.
Ease of Installation
I like kits that are straightforward to install, especially if I plan to do the work myself. Clear instructions, proper fitment, and accessible connectors make a big difference. If the replacement requires removing too many components, I consider whether I have the tools and experience before buying. For me, a well-designed kit should reduce installation stress, not add to it.
Brand Reputation and Reviews
I always check brand reputation before making a final decision. Trusted brands and positive customer reviews give me more confidence that the kit will last. I look for feedback from buyers who have the same vehicle as mine because that gives me a better idea of real-world performance. If many people report fitment or durability issues, I usually keep searching.
Price vs. Value
I do not choose based on price alone. A cheaper kit may seem attractive, but if it fails early, I end up spending more in the long run. I try to balance cost with reliability, warranty coverage, and included parts. In my experience, the best value is usually the kit that offers dependable performance at a fair price.
Warranty and Return Policy
I always check the warranty before I buy. A good warranty tells me the seller stands behind the product. I also review the return policy in case the kit does not fit or arrives damaged. Having that protection gives me peace of mind, especially when I am buying an important engine component.
My Final Buying Advice
When I choose an intake and exhaust camshaft position actuator solenoid valve kit, I focus on fitment, quality, included parts, and seller reliability. I have found that taking a little extra time to compare options helps me avoid frustration later. If I buy the right kit the first time, I save money, protect my engine, and keep my vehicle running smoothly.
Final Thoughts
I’ve found that an intake and exhaust camshaft position actuator solenoid valve kit can make a big difference in restoring engine performance, improving fuel efficiency, and reducing rough idling or warning lights. My takeaway is that choosing the right kit and replacing worn solenoids promptly can help keep the engine running smoothly and prevent bigger problems down the road. Overall, it’s a practical repair that can bring noticeable benefits when symptoms start to show.
Author Profile
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Tessa Rowan is the writer behind BodyUpWomen.com. Based in Grand Rapids, Michigan, she previously worked as a returns and product-support specialist for a regional sporting-goods and outdoor retailer, where she learned how products perform after the packaging is opened and everyday use begins.
Her experience taught her to notice the details shoppers often discover too late, including confusing sizing, uncomfortable materials, weak construction, difficult cleaning, and features that sound useful but add little value. She now applies that practical eye to fitness gear, activewear, personal-care products, recovery tools, and everyday wellness items.
Tessa started BodyUpWomen.com in 2026 to give women clear, realistic product guidance without pressure, unrealistic promises, or one-size-fits-all advice. Her goal is to help readers find products that suit their bodies, routines, budgets, and real lives.
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