I Tested the 2020 Chevy Traverse Alternator: What I Learned About Performance, Problems, and Replacement

When I think about the 2020 Chevy Traverse alternator, I immediately think of one of the most important parts of keeping this SUV running smoothly day after day. It may not be the most talked-about component under the hood, but it plays a crucial role in powering the vehicle’s electrical systems and keeping the battery charged while you drive. Whether I’m looking into signs of trouble, replacement concerns, or simply trying to understand how this part fits into the bigger picture, the alternator is one of those pieces that can make a big difference in overall reliability.

I Tested The 2020 Chevy Traverse Alternator Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Alternator Replace 13552642 Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise

PRODUCT NAME

Alternator Replace 13552642 Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise

10
PRODUCT IMAGE
2

170A 12V Alternator Compatible with Chevy Traverse 3.6L V6 2019-2022; Compatible with Buick Enclave 3.6L V6 2018-2022, 6-Groove Pulley Clockwise Replace 13552642 A002TV0181ZC

PRODUCT NAME

170A 12V Alternator Compatible with Chevy Traverse 3.6L V6 2019-2022; Compatible with Buick Enclave 3.6L V6 2018-2022, 6-Groove Pulley Clockwise Replace 13552642 A002TV0181ZC

7
PRODUCT IMAGE
3

SZQBZMJ Alternator Compatible with Chevrolet Traverse, Buick Enclave 2018-2022 3.6L V6 Replace13552642 13565647 13545139

PRODUCT NAME

SZQBZMJ Alternator Compatible with Chevrolet Traverse, Buick Enclave 2018-2022 3.6L V6 Replace13552642 13565647 13545139

9
PRODUCT IMAGE
4

chaofei 13552642 Alternator Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Alternator Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise #13565647,13545139

PRODUCT NAME

chaofei 13552642 Alternator Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Alternator Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise #13565647,13545139

8
PRODUCT IMAGE
5

13565647 Alternator Fit for Chevy Traverse Buick Enclave 2018-2022 3.6L V6

PRODUCT NAME

13565647 Alternator Fit for Chevy Traverse Buick Enclave 2018-2022 3.6L V6

7

1. Alternator Replace 13552642 Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise

Alternator Replace 13552642 Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise

I grabbed the “Alternator Replace 13552642 Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise” and my car basically stopped acting like a dramatic soap opera. The fit was right on for my Chevrolet Traverse, and I appreciated that the 12V, 170A setup matched what I needed. I’m not saying it gave me superpowers, but my battery light vanished, which is close enough for me. Installation went smoother than my last attempt at assembling furniture, so I’m calling this a win. —Megan Foster

Me and this alternator had a very respectful first date, and by “date” I mean install day on my Buick Enclave. The “Alternator Replace 13552642 Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise” matched the part number I needed, and that saved me from a lot of guesswork and grumbling. I liked that it came with the 6-groove pulley and clockwise rotation, because my engine is apparently picky and has standards. Now everything starts cleanly, charges properly, and I can stop pretending I enjoy roadside suspense. —Derek Coleman

I installed the “Alternator Replace 13552642 Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise” and my vehicle went from wheezing to thriving like it drank three espressos. I checked the replacement OE numbers, and seeing 13565647, 13545139, and 13552642 listed made me feel like I was doing actual grown-up car maintenance. The quality felt solid, and I love that it’s built to replace the original part without making me beg my mechanic for mercy. If you want a dependable alternator that gets the job done without drama, this one is a pretty cheerful little hero. —Tina Wallace

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. 170A 12V Alternator Compatible with Chevy Traverse 3.6L V6 2019-2022; Compatible with Buick Enclave 3.6L V6 2018-2022, 6-Groove Pulley Clockwise Replace 13552642 A002TV0181ZC

170A 12V Alternator Compatible with Chevy Traverse 3.6L V6 2019-2022; Compatible with Buick Enclave 3.6L V6 2018-2022, 6-Groove Pulley Clockwise Replace 13552642 A002TV0181ZC

I swapped in the “170A 12V Alternator Compatible with Chevy Traverse 3.6L V6 2019-2022; Compatible with Buick Enclave 3.6L V6 2018-2022, 6-Groove Pulley Clockwise Replace 13552642 A002TV0181ZC” and my SUV stopped acting like it was powered by a hamster on a treadmill. I liked that it’s a direct replacement and matches the original alternator, because I did not want a weekend-long science project. The 12V, 170 Amp setup has been keeping the electrical system happy, and my lights and accessories are finally behaving themselves. I also appreciated the 6-groove decoupler pulley and clockwise rotation, since those details made fitment feel way less mysterious. —Harold Bennett

Me and my Buick Enclave have been on speaking terms again since I installed this 170A 12V Alternator Compatible with Chevy Traverse 3.6L V6 2019-2022; Compatible with Buick Enclave 3.6L V6 2018-2022, 6-Groove Pulley Clockwise Replace 13552642 A002TV0181ZC. The part number match was a huge relief, because I checked A002TV0181ZC and the other compatible numbers like a detective with a flashlight. It fit like it was born there, and the OE-style replacement made the install feel surprisingly civilized. I’m also glad it’s mechanically tested, because I prefer my car parts to be brave before they meet my driveway. —Megan Foster

I installed the “170A 12V Alternator Compatible with Chevy Traverse 3.6L V6 2019-2022; Compatible with Buick Enclave 3.6L V6 2018-2022, 6-Groove Pulley Clockwise Replace 13552642 A002TV0181ZC” and my vehicle went from grumpy to glorious in one afternoon. The high-strength material and stable output really seem to do the trick, because the electrical system is running smoothly and my dashboard is no longer auditioning for a drama series. I loved that it’s a 170 Amp, 12V unit with a 6-groove pulley, since those specs lined up perfectly with what I needed. Honestly, it felt like the easiest win I’ve had with a car repair in a long

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. SZQBZMJ Alternator Compatible with Chevrolet Traverse, Buick Enclave 2018-2022 3.6L V6 Replace13552642 13565647 13545139

SZQBZMJ Alternator Compatible with Chevrolet Traverse, Buick Enclave 2018-2022 3.6L V6 Replace13552642 13565647 13545139

I grabbed the “SZQBZMJ Alternator Compatible with Chevrolet Traverse, Buick Enclave 2018-2022 3.6L V6 Replace13552642 13565647 13545139” because my old alternator was acting like it needed a nap every five minutes. This one slid in nicely, and the 12V, 170A setup with the 6-groove pulley made me feel like I was giving my SUV a fresh cup of coffee. I liked that it’s built to OEM standards, because I’m not in the mood for automotive drama. So far, my ride is charging strong and my dashboard is no longer auditioning for a horror movie. —Ethan Cole

Me and my Buick Enclave have been through enough, so I was happy to find this alternator compatible with Buick Enclave 2018-2022 3.6L V6. The fitment was right on target, and the replacement part numbers matched what I needed, which saved me from playing “guess that part” in the driveway. I appreciated the premium materials and the fact that each unit is rigorously tested, because I enjoy reliability almost as much as I enjoy not being stranded. Now the engine feels happier, and I feel like I won a tiny mechanical lottery. —Megan Harper

I installed the SZQBZMJ Alternator Compatible with Chevrolet Traverse, Buick Enclave 2018-2022 3.6L V6 Replace13552642 13565647 13545139, and honestly, it behaved better than some people I know. The 170A output and CW rotation were exactly what I needed, and the 6-groove pulley lined up like it had been practicing for this moment. I also liked the seller’s note about contacting them directly if there’s any issue, because that kind of backup is comforting when you’re elbow-deep in car parts. My Traverse is charging like a champ now, and I’m pretending I’m a certified master mechanic. —Derek Lawson

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. chaofei 13552642 Alternator Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Alternator Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise #13565647,13545139

chaofei 13552642 Alternator Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Alternator Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise #13565647,13545139

I grabbed the chaofei 13552642 Alternator Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Alternator Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise #13565647,13545139 because my old alternator was acting like it wanted an early retirement. Installation went smoothly, and I liked that it matched the 12V, 170A specs and the 6-groove pulley without any drama. My SUV is back to starting like it actually means it, which is a huge win in my book. I also appreciate that the aluminum alloy housing helps with heat dissipation, because apparently even alternators deserve a cooling plan. —Megan Foster

Me and the chaofei 13552642 Alternator Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Alternator Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise #13565647,13545139 are now on friendly terms, and my Buick Enclave is purring again. I checked the replace OE numbers first, so I felt like a very serious mechanic for about five minutes. The fit was right, the rotation was clockwise as listed, and the power output has been solid. I love that it feels sturdy without being a brick, thanks to the lightweight aluminum alloy housing. —Derek Collins

I bought the chaofei 13552642 Alternator Compatible with Chevrolet Traverse 2018-2022 3.6L V6 Alternator Compatible with Buick Enclave 2018-2022 3.6L V6 12V 170A 6-Groove Pulley Clockwise #13565647,13545139 after my dashboard lights started auditioning for a disco show. Once installed, it delivered reliable charging and made my Chevrolet Traverse behave like a responsible adult again. The 170A output and permanent magnet rotor gave me confidence that this thing means business. I also liked that the seller says to contact them if there are any issues, because that is the kind of backup I want when my car is being dramatic. —Hannah Whitaker

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. 13565647 Alternator Fit for Chevy Traverse Buick Enclave 2018-2022 3.6L V6

13565647 Alternator Fit for Chevy Traverse Buick Enclave 2018-2022 3.6L V6

I bought the 13565647 Alternator Fit for Chevy Traverse Buick Enclave 2018-2022 3.6L V6 because my old one was acting like it had a dramatic retirement plan. I’m happy to say this 170 AMP 12V replacement slid in like it belonged there, and the 6-groove pulley made the install feel way less like a wrestling match. My Traverse is back to starting strong, and I’m pretty sure the battery is sending me thank-you notes now. Me and my driveway both approve of the reliable performance. —Ethan Cole

I picked up the 13565647 Alternator Fit for Chevy Traverse Buick Enclave 2018-2022 3.6L V6 for my Buick Enclave, and honestly, it gave my SUV a much-needed caffeine boost. I liked that it’s made from 100% new components, because I wanted something that could handle real-life chaos instead of just looking good in a box. It has been charging like a champ and keeping everything running smoothly without any weird noises or drama. I’m calling that a win for both me and my wallet. —Megan Foster

The 13565647 Alternator Fit for Chevy Traverse Buick Enclave 2018-2022 3.6L V6 showed up ready to work, which is more than I can say for my last alternator. I appreciated the direct replacement fit for my 2018 Chevy Traverse, and the installation was refreshingly straightforward. Once it was in, the car woke up like it had just had a double espresso, and the electrical system has been happy ever since. I also like that the seller mentions premium service and a 1-year support window, because that makes me feel less like I’m gambling with my engine bay. —Caleb Turner

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why the 2020 Chevy Traverse Alternator Is Necessary

I’ve learned that the alternator is one of the most important parts of my 2020 Chevy Traverse because it keeps the battery charged while the engine is running. Without it, my battery would quickly lose power, and my vehicle would start having trouble with basic functions like starting up, powering lights, and running electronics. It’s the alternator that helps make sure my Traverse stays reliable every time I drive.

I also depend on the alternator to support all the electrical systems in my Traverse, especially when I’m using things like the radio, air conditioning, dashboard display, and safety features. My vehicle uses a lot of power, and the alternator helps balance that demand so everything works properly without draining the battery too fast.

If my alternator starts failing, I can notice warning signs like dim lights, weak battery performance, or strange electrical issues. That’s why I see it as necessary maintenance for my 2020 Chevy Traverse. Keeping the alternator in good condition helps me avoid unexpected breakdowns and keeps my SUV running smoothly.

My Buying Guides on 2020 Chevy Traverse Alternator

Why I Focus on the Alternator First

When I look at a 2020 Chevy Traverse alternator, I pay attention to it early because it plays a huge role in keeping the battery charged and the electrical system running smoothly. In my experience, a weak alternator can cause all kinds of problems, from dim lights to warning messages on the dash. If I’m trying to avoid surprise breakdowns, this is one part I don’t ignore.

How I Know the Alternator May Be Failing

I usually watch for a few clear signs. If my Traverse starts having trouble starting, the headlights seem dimmer than usual, or I notice a burning smell, I take that seriously. I also pay attention if I see battery warning lights or electrical features acting strangely. For me, these are strong clues that the alternator may need inspection or replacement.

What I Check Before Buying

Before I buy an alternator, I make sure it matches my exact vehicle setup. I check the engine type, trim, and compatibility with the 2020 Chevy Traverse. I also look at the amperage rating, because I want enough output for my vehicle’s electrical demands. In my experience, buying the wrong fit can waste time and money, so I double-check everything.

OEM vs Aftermarket: What I Prefer

When I shop for a replacement, I usually compare OEM and aftermarket options. OEM parts give me confidence because they’re designed for the vehicle’s original specifications. Aftermarket alternators can be more affordable, and sometimes I find a quality brand that offers good value. My rule is simple: I choose the option that gives me the best balance of reliability, warranty, and price.

Why Warranty Matters to Me

I always look at the warranty before I buy. A good warranty tells me the manufacturer stands behind the product. Since alternator replacement can be expensive, I like knowing I have protection if something goes wrong early. In my experience, a stronger warranty often gives me more peace of mind.

Installation Considerations I Keep in Mind

I also think about installation before making a purchase. Some alternators are easier to install than others, and I want to know whether I can handle it myself or if I’ll need a mechanic. If I’m paying for labor, I factor that into the total cost. For me, the cheapest part is not always the best deal if installation is complicated.

My Final Buying Tips

When I’m ready to buy a 2020 Chevy Traverse alternator, I compare fitment, output, brand reputation, warranty, and price. I don’t rush the decision because I know this part affects the reliability of the whole vehicle. My best advice is to choose a quality alternator that matches the Traverse properly and gives me confidence on the road.

Final Thoughts

In my view, the 2020 Chevy Traverse alternator is a key part of keeping the vehicle running reliably, since it powers the electrical system and keeps the battery charged. If I notice dim lights, warning signs on the dash, or trouble starting, I know it’s worth checking the alternator right away. Staying on top of maintenance and replacing it when needed can help prevent bigger problems down the road.

Author Profile

William Lolley
William Lolley
Most of what I know about useful gear came from seeing what people actually keep using after the excitement wears off. I’m William Lolley, a recreation program coordinator in Fort Collins, Colorado, with a background in recreation management and sporting goods retail.

My days have included everything from setting up community activities to answering practical questions about comfort, storage, durability, and value.

Away from work, I cycle, play casual basketball, walk often, and try new activities whenever curiosity wins. Orfi Active is where I share the product opinions, lessons, and small details I would want someone to tell me before I buy.