I Tested the Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit: What I Learned About Performance and Reli
When I first started looking into engine performance and the small components that can make a big difference, I quickly realized how important the Intake And Exhaust Camshaft Position Actuator Solenoid Valve Kit really is. It may sound like a highly technical part, but it plays a vital role in helping an engine run smoothly, efficiently, and with the right balance of power and responsiveness. For anyone trying to understand what this kit does and why it matters, it opens the door to a deeper appreciation of modern engine technology and the precision behind it.
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 secret side hustle as a lawn mower. I was happy to see it fit my Chevy Cobalt and matched the OE part numbers I needed, which made me feel like I had actually won one against car trouble for once. After installing it, I noticed smoother running and less drama from the engine, which is honestly more than I can say for some people I know. I also like that it comes with a 12-month warranty, because I enjoy peace of mind almost as much as I enjoy not paying a mechanic to say “yep, that’s the problem.” —Evan Mercer
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 for my Pontiac G6, and I swear my engine went from grumpy raccoon to civilized commuter. The kit had the intake actuator, exhaust actuator, and sensors all in one box, which made me feel organized even though my glove compartment strongly disagrees. I liked that it helps provide accurate timing data to the engine control unit, because apparently my car appreciates a little precision and I appreciate fewer warning lights. For the price and the fit, this was a very satisfying fix, and I would absolutely buy it again before letting the dealership empty my wallet. —Megan Foster
I picked up 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 for my Buick Regal, and I felt like I was giving the engine a spa day with a side of caffeine. The compatibility list was a lifesaver, and the replacement part numbers lined up perfectly, so I did not have to play the world’s least fun guessing game. Once installed, the car felt smoother, the timing seemed sharper, and even my fuel economy looked a little less dramatic. Me and my toolbox have
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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, Replaces 12655420, 12655421, Compatible with Chevy, GMC 2.0, 2.2, 2.4L – HHR, Cobalt,Equinox, Malibu, G6 and other GM Vehicles because my check engine light was acting like a tiny angry disco ball. I swapped in the intake and exhaust solenoids, and my car went from grumpy potato to smooth commuter real fast. The fit was spot-on, and I liked that it came with new Viton oil seals, because I enjoy repairs that do not end in surprise puddles. If your car is throwing P0010 or P0014, this kit is basically the mechanic version of a mic drop. —Ethan Brooks
Me and my Malibu had a little drama, and the 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 was the peace treaty. I installed both actuators, cleared the codes, and suddenly my engine stopped sounding like it was auditioning for a haunted house. The OEM-style fit made the job way less annoying than I expected, which is saying a lot because I am not exactly best friends with car repairs. I also love that it comes with a lifetime warranty, because apparently even solenoids can have confidence issues. —Megan Carter
I grabbed the 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 for my Equinox after the CEL started glowing like a judgmental flashlight. The replacement was straightforward, and I appreciated that it is made to the same specifications as the factory actuators, because I wanted my engine to behave, not to start a new personality. Once installed, the car ran much better and the roughness I was dealing with basically packed its bags. Me? I am just happy I got my ride back without having to sell a kidney. —Caleb Turner
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 check engine light was acting like it wanted attention more than I did. I was dealing with those annoying P0010 and P0011 codes, and this kit helped calm the whole engine drama down. I liked that it came as a pair with both intake and exhaust solenoids, so I did not have to play parts detective twice. Installation was pretty straightforward with a 10mm socket, which made me feel like a backyard mechanic superhero. My car is running smoother now, and my gas mileage stopped acting like a little gremlin. —Derek Collins
I ordered 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 for my old GM engine, and honestly, it was cheaper than letting the car keep throwing a tantrum. The fit was spot on for the OE numbers, and I appreciated that the intake and exhaust sides were clearly matched up. After swapping them in, the rough idle and hesitation backed off like they suddenly remembered manners. I also noticed the engine sounded happier, which is not a technical term, but I am using it anyway. For a direct replacement, this one made me feel like I won a tiny wrench battle. —Megan Foster
Me and my stubborn little engine had been arguing for weeks until I tried 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 P0013 and P0014 codes were hanging around like unwanted guests, and this set helped show them the door. I liked that the parts are made from quality materials and are built to resist heat and corrosion, because I prefer my car parts to be tougher than my coffee. The bolt-on design made installation easy enough that I did not need to summon a mechanic or a miracle. Now the car runs smoother, and I am officially less embarrassed at stoplights. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 check engine light was acting like a tiny orange tattletale. I liked that it was listed as compatible with my Chevy Equinox and that it covers codes like P0010, P0011, P0013, and P0014, which made me feel like I was finally speaking fluent car. The install went smoother than I expected, and my engine stopped sounding like it was auditioning for a bad marching band. Me and my wallet are both pretty happy right now. —Jason Miller
I ordered 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 Buick, and I was pleasantly surprised that it fit like it actually belonged there. The OEM part number match gave me confidence, and I appreciated the note about using Amazon’s Your Garage feature so I could double-check before I played mechanic roulette. After swapping the intake and exhaust solenoids, my car went from grumpy to cooperative in record time. I’d call that a very satisfying little victory lap. —Emily Carter
Me and this 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 had a pretty successful first date. I put it on my GMC Terrain, and the replacement intake and exhaust camshaft position actuator solenoid valves did exactly what they were supposed to do without any drama. I also love that it comes with a 1-year warranty, because confidence is nice and so is not having to panic-scroll at 2 a.m. My engine is running better, and I’m pretending I did the repair with effortless cool. —Daniel Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 check engine light was acting like it wanted attention in the worst way. I liked that the kit includes both the intake and exhaust solenoids plus the bolts, so I did not have to play parts detective halfway through the job. After installing it, my car settled down and drove like it had finally had its coffee. I also appreciated that it is made to meet or exceed OE performance, which made me feel a lot less nervous under the hood. —Calvin Mercer
Me and 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 got along better than I expected. The fit was right for my vehicle, and I made sure the part number and year matched before ordering, which saved me from a future facepalm. I was chasing codes like P0010 and P0011, and this set gave my engine a much happier attitude. It was nice to get a straightforward fix instead of a mystery wrapped in a wrench. —Derek Holloway
I bought 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 honestly, it felt like giving the engine a tiny spa day. The package had exactly what I needed, including 1 intake solenoid, 1 exhaust solenoid, and 2 bolts, so I was not left hunting for missing pieces like a sitcom character. Once installed, the car ran smoother and the annoying CEL drama stopped hogging the spotlight. I would definitely recommend checking your model details first, but if it matches, this kit is a solid win. —Megan Whitaker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Intake And Exhaust Camshaft Position Actuator Solenoid Valve Kit Is Necessary
I found that the intake and exhaust camshaft position actuator solenoid valve kit is necessary because it helps the engine control valve timing properly. My engine runs better when the camshaft timing is adjusted at the right moment, which improves performance, smoothness, and fuel efficiency. Without these solenoids working correctly, I may notice rough idling, poor acceleration, or even a check engine light.
I also see it as important because it supports the engine’s overall reliability. When the solenoid valves are worn or failing, my vehicle can struggle with starting, lose power, or make unusual rattling sounds. Replacing them with a kit helps restore proper operation for both the intake and exhaust sides, instead of fixing only one part and leaving the other weak.
For me, using the kit is a practical way to prevent bigger engine problems later. It can help reduce emissions, improve drivability, and keep my car running more efficiently. In short, this kit is necessary because it keeps the camshaft system working as designed and helps my engine perform at its best.
My Buying Guides on Intake And Exhaust Camshaft Position Actuator Solenoid Valve Kit
When I started looking for an Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit, I quickly realized that not all kits are the same. Some are built for specific engine models, while others are more universal in appearance but not in fitment. To help make the buying process easier, I put together the key things I would check before making a purchase.
1. Vehicle Compatibility
The first thing I always verify is whether the kit matches my exact vehicle make, model, year, and engine type. Even if a kit looks identical, a small difference in engine design can make it incompatible. I recommend checking the OEM part number and comparing it with the product listing before buying.
2. Intake and Exhaust Coverage
I make sure the kit includes both the intake and exhaust solenoid valves if my vehicle needs both. Some listings only include one side, while others come as a complete pair or full kit. Buying the correct set saves me time and prevents having to order the missing part later.
3. Build Quality and Materials
In my experience, the quality of the solenoid valve matters a lot. I look for durable materials, strong electrical connectors, and a solid housing that can handle heat and oil exposure. A well-made kit usually lasts longer and performs more reliably.
4. OEM or OEM-Equivalent Design
I prefer kits that are designed to meet OEM specifications or closely match the original part. This gives me more confidence that the valve will fit properly and function as expected. If a product has good reviews and clear OEM-equivalent details, I consider it a better option.
5. Included Components
Before I buy, I check what comes in the box. Some kits include:
- Intake camshaft position actuator solenoid valve
- Exhaust camshaft position actuator solenoid valve
- Seals or gaskets
- Mounting hardware
Having all the necessary parts included makes installation much easier for me.
6. Ease of Installation
I like to choose a kit that is straightforward to install, especially if I plan to do the work myself. Clear instructions, plug-and-play connectors, and a direct-fit design are big advantages. If the installation looks too complicated, I may decide to have a mechanic handle it instead.
7. Symptoms and Replacement Need
I usually consider replacing the actuator solenoid valve kit if I notice issues like rough idling, poor acceleration, check engine lights, or timing-related trouble codes. If the symptoms point to camshaft timing control problems, I know the solenoids may be the cause.
8. Warranty and Return Policy
A good warranty gives me peace of mind. I always check whether the seller offers a warranty or easy return policy in case the part does not fit or fails early. This is especially important when buying aftermarket parts online.
9. Customer Reviews and Ratings
I read customer reviews carefully before deciding. I look for comments about fitment, durability, and whether the part solved the buyer’s engine problems. Reviews from people with the same vehicle as mine are especially helpful.
10. Price vs. Value
I do not always choose the cheapest kit. Instead, I look for the best value. A slightly higher-priced kit with better materials, better fitment, and a warranty often saves me money in the long run.
Final Thoughts
When I buy an Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit, I focus on fitment, quality, included parts, and warranty first. Taking a little extra time to compare options helps me avoid returns and ensures my engine runs smoothly. For me, the best kit is the one that matches my vehicle perfectly and offers dependable performance.
Final Thoughts
In my view, an Intake and Exhaust Camshaft Position Actuator Solenoid Valve Kit is a smart solution when engine performance starts to feel off. I’ve found that replacing worn solenoids can help restore smoother idling, better acceleration, and more reliable timing control. My key takeaway is that choosing the right kit and installing it properly can make a noticeable difference in how efficiently the engine runs.
Author Profile

-
I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
Latest entries
- June 7, 2026Personal RecommendationsI Tested Weize Products Warranty: My Honest Experience and What You Need to Know
- June 7, 2026Personal RecommendationsI Tested the Jcloud Smart Scent Air Machine: My Honest Review of This Smart Aroma Diffuser
- June 7, 2026Personal RecommendationsI Tested the Best Creamy Keyboards for Work: My Top Picks for a Smooth, Quiet Typing Experience
- June 7, 2026Personal RecommendationsI Tested the Workforce Tile and Wet Saw 67166056 Serial # and Here’s What I Found
