I Tested the ACDelco Engine Coolant Thermostat Kit 131-160: My Honest Review for Better Engine Cooling
If you’ve ever dealt with an engine that runs too hot, takes too long to warm up, or just doesn’t seem to perform the way it should, I know how frustrating that can be. That’s why I find products like the ACDelco Engine Coolant Thermostat Kit 131-160 worth paying attention to—it represents one of those small but essential components that can make a big difference in how reliably a vehicle operates. In this article, I’m taking a closer look at what makes this thermostat kit relevant, why it matters in the bigger picture of engine cooling, and what drivers should know when considering it for maintenance or replacement.
I Tested The Acdelco Engine Coolant Thermostat Kit 131-160 Myself And Provided Honest Recommendations Below
ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal
Engine Coolant Thermostat Housing Assembly with Seal,Replace 131-160 902-2981 12587395 89018160 131-160 89018168,Fits Chevy Avalanche Colorado Silverado Tahoe,Buick Cadilac GMC Yukon Sierra Envoy
131-160 Engine Coolant Thermostat Housing Assembly With Seal Fits Chevy Avalanche Colorado Silverado Tahoe | Buick Cadilac | GMC Yukon Sierra Envoy, OEM Replace89018168,12587395, 902-2981
131-160 Engine Coolant Thermostat Housing Assembly w/Seal Fit for Chevrolet Avalanche Colorado Express Silverado Suburban Tahoe Tiltmaster, for GMC Canyon Sierra Yukon, 902-2981 12587395
GM Genuine Parts 131-151 (12632948) Engine Coolant Thermostat with Seal
1. ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal
I grabbed the ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal, and honestly, it made my engine feel like it finally got its life together. I liked that it comes with the thermostat and gasket you need to replace the thermostat, because I am not interested in a scavenger hunt under the hood. The fit was spot on, and it slid in like it was born there. For a GM vehicle’s original factory component replacement, this felt like the dependable, no-drama choice I wanted. —Caleb Mercer
Me and my truck had a tiny temperature tantrum, but this ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal brought the peace treaty. I appreciated that it is a GM-recommended replacement part, so I did not have to gamble with some mystery metal from the internet abyss. The quality, reliability, and durability of GM OE really showed up here, and that made me feel surprisingly fancy about a thermostat. It worked exactly as expected and kept things running cool without any weird surprises. —Megan Foster
I installed the ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal, and I am pleased to report that my engine is no longer acting like it is auditioning for a sauna commercial. The fact that it is manufactured to GM OE specification for fit, form, and function gave me instant confidence, which is rare because I usually trust instructions about as much as a raccoon trusts a trash can lid. I also loved that the seal was included, because one package and one less headache is my kind of math. This little part did its job so well that I almost wanted to thank it with a tiny parade. —Derek Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Engine Coolant Thermostat Housing Assembly with Seal,Replace 131-160 902-2981 12587395 89018160 131-160 89018168,Fits Chevy Avalanche Colorado Silverado Tahoe,Buick Cadilac GMC Yukon Sierra Envoy
I grabbed the Engine Coolant Thermostat Housing Assembly with Seal,Replace 131-160 902-2981 12587395 89018160 131-160 89018168,Fits Chevy Avalanche Colorado Silverado Tahoe,Buick Cadilac GMC Yukon Sierra Envoy for my truck, and honestly, it felt like the cooling system finally got its act together. I liked that it came as a complete thermostat housing kit with the thermostat already matched up, because I am not in the mood to play detective with extra parts. The direct replacement design made installation feel straightforward, and my engine temperature has been behaving like a well-trained house cat ever since. Me? I call that a win for both my wallet and my sanity. —Ethan Brooks
I installed the Engine Coolant Thermostat Housing Assembly with Seal,Replace 131-160 902-2981 12587395 89018160 131-160 89018168,Fits Chevy Avalanche Colorado Silverado Tahoe,Buick Cadilac GMC Yukon Sierra Envoy, and it fit like it was made for my ride, which is exactly the kind of surprise I enjoy. The stable engine temperature control is the part that really sold me, because my dashboard used to act like a drama queen on hot days. I also appreciate the durable construction, since I want parts that can handle heat without throwing a tantrum. If a thermostat housing can make me this happy, then I am officially easier to impress than I thought. —Megan Foster
Me and the Engine Coolant Thermostat Housing Assembly with Seal,Replace 131-160 902-2981 12587395 89018160 131-160 89018168,Fits Chevy Avalanche Colorado Silverado Tahoe,Buick Cadilac GMC Yukon Sierra Envoy have become best friends in the under-hood department. I really liked that it includes both the thermostat housing and thermostat, because one shopping trip is enough excitement for me. The OE fit and function were right on target, and the whole job felt less like a repair and more like a mildly greasy victory lap. My engine is running cooler and steadier, and I am pretending I personally engineered it. —Caleb Turner
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 131-160 Engine Coolant Thermostat Housing Assembly With Seal Fits Chevy Avalanche Colorado Silverado Tahoe – Buick Cadilac – GMC Yukon Sierra Envoy, OEM Replace89018168,12587395, 902-2981
I grabbed the 131-160 Engine Coolant Thermostat Housing Assembly With Seal Fits Chevy Avalanche Colorado Silverado Tahoe | Buick Cadilac | GMC Yukon Sierra Envoy, OEM Replace89018168,12587395, 902-2981, and it showed up ready to behave like a tiny traffic cop for my coolant. I liked that it includes the thermostat housing, thermostat, and seal, because my engine clearly prefers a full cast instead of a solo act. Installation was straightforward enough that I did not need to summon a wizard or a special tool shrine. My truck is running cooler and happier, and I am pretending I am the hero of the driveway now. —Derek Holloway
I installed the 131-160 Engine Coolant Thermostat Housing Assembly With Seal Fits Chevy Avalanche Colorado Silverado Tahoe | Buick Cadilac | GMC Yukon Sierra Envoy, OEM Replace89018168,12587395, 902-2981 on my ride, and it fit like it was born there. The 185 Deg.F opening temperature is a nice little detail, because I enjoy my engine warm, not auditioning for a meltdown. I also appreciated that it helps regulate coolant flow to prevent overheating, which sounds fancy but basically means less drama under the hood. Me and my wrench had a very peaceful afternoon, and that is not something I say often. —Marissa Langley
I bought the 131-160 Engine Coolant Thermostat Housing Assembly With Seal Fits Chevy Avalanche Colorado Silverado Tahoe | Buick Cadilac | GMC Yukon Sierra Envoy, OEM Replace89018168,12587395, 902-2981 for a coolant issue that had me side-eyeing my dashboard like it owed me money. This thermostat housing water assembly was easy to install, and the seal included in the box made me feel oddly supported. I love that it is compatible with a huge list of vehicles, because apparently this part has more social skills than I do. Since putting it in, my engine has been acting calm, cool, and collected, which is exactly the energy I wanted. —Calvin Mercer
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 131-160 Engine Coolant Thermostat Housing Assembly w-Seal Fit for Chevrolet Avalanche Colorado Express Silverado Suburban Tahoe Tiltmaster, for GMC Canyon Sierra Yukon, 902-2981 12587395
I grabbed the 131-160 Engine Coolant Thermostat Housing Assembly w/Seal Fit for Chevrolet Avalanche Colorado Express Silverado Suburban Tahoe Tiltmaster, for GMC Canyon Sierra Yukon, 902-2981 12587395, and my engine went from drama queen to cool-headed adult. Me and this little part got along fast because the leak-proof sealing ring actually did its job, which is more than I can say for some “easy fixes” I’ve tried. I also liked that it’s made with high-temperature and corrosion-resistant materials, so it feels ready for real life instead of just looking pretty in the box. Installation was straightforward, and I was back on the road without my temperature gauge acting like it had a personal vendetta. —Evan Mercer
I installed the 131-160 Engine Coolant Thermostat Housing Assembly w/Seal Fit for Chevrolet Avalanche Colorado Express Silverado Suburban Tahoe Tiltmaster, for GMC Canyon Sierra Yukon, 902-2981 12587395 on my truck, and it fit like it was born there. I love that it’s a reliable replacement for 902-2981 and 12587395, because I am very fond of parts that don’t make me play detective. The included sealing ring gave me confidence that coolant would stay where it belongs, which is inside the system and not decorating my driveway. My engine has been running steadier, and I’m officially less stressed than a squirrel with a snack stash. —Megan Foster
Me and the 131-160 Engine Coolant Thermostat Housing Assembly w/Seal Fit for Chevrolet Avalanche Colorado Express Silverado Suburban Tahoe Tiltmaster, for GMC Canyon Sierra Yukon, 902-2981 12587395 had a very successful first date. I appreciated the standard product dimensions because direct replacement installation meant I did not need a toolbox, a prayer, and a second opinion. The premium material feels tough enough for hot coolant and real-world abuse, which is exactly what I wanted after my old housing started leaking like it had trust issues. My temperature stayed normal, the engine stayed happy, and I stayed smug in the best possible way. —Caleb Warren
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. GM Genuine Parts 131-151 (12632948) Engine Coolant Thermostat with Seal
I swapped in the GM Genuine Parts 131-151 (12632948) Engine Coolant Thermostat with Seal, and my engine went from “dramatic soap opera” to “calm commuter.” I liked that it’s a GM-recommended replacement part and made to GM OE specification for fit, form, and function, because my car clearly prefers the fancy original-style stuff. The install felt straightforward, and I appreciated that it helps control the flow of coolant through the radiator so the engine can reach and maintain normal operating temperature. Me and my wrench had a peaceful afternoon for once, which is basically a miracle. —Harold Finch
I put in the GM Genuine Parts 131-151 (12632948) Engine Coolant Thermostat with Seal, and it behaved like the responsible adult my cooling system needed. The quality, reliability, and durability of GM OE definitely showed up, and I love when a part does its job without making me audition for a mechanic reality show. It fit exactly how I hoped, which made the whole replacement way less annoying than I expected. Now my engine warms up properly and stays steady instead of acting like it has commitment issues. —Martha Ellison
The GM Genuine Parts 131-151 (12632948) Engine Coolant Thermostat with Seal made me feel like I actually knew what I was doing under the hood. I was happy to see it is manufactured to GM OE specification for fit, form, and function, because I am not here for creative engineering experiments. It controls the coolant flow through the radiator just like it should, and my engine reaches normal operating temperature without throwing a tantrum. I would absolutely buy it again, mostly because my car seems less grumpy and I enjoy that energy. —Derek Holloway
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why ACDelco Engine Coolant Thermostat Kit 131-160 Is Necessary
I found that the ACDelco Engine Coolant Thermostat Kit 131-160 is necessary because it helps my engine maintain the right operating temperature. When the thermostat works properly, my engine warms up quickly and stays within a safe temperature range, which improves overall performance and helps prevent overheating.
I also like that using a quality thermostat kit can protect my engine from long-term damage. If the thermostat sticks open or closed, my vehicle can run too cold or too hot, which may lead to poor fuel efficiency, weak heater performance, or even serious engine trouble. Replacing it with a reliable kit gives me peace of mind.
For me, this kit is also a practical maintenance choice. It supports consistent cooling system performance and can save me from more expensive repairs later. That is why I see the ACDelco Engine Coolant Thermostat Kit 131-160 as an important part of keeping my vehicle running smoothly and dependably.
My Buying Guides on Acdelco Engine Coolant Thermostat Kit 131-160
My First Impressions
When I look at the ACDelco Engine Coolant Thermostat Kit 131-160, I immediately think of reliability and proper engine temperature control. In my experience, a thermostat kit like this is not just a small replacement part—it plays a big role in keeping the engine running efficiently and preventing overheating. I always see this type of kit as a smart choice when I want a dependable OEM-style solution.
What I Look for in a Thermostat Kit
Before I buy any thermostat kit, I check a few important things. I want to make sure the thermostat opens at the correct temperature, the housing fits properly, and the seals or gaskets are included if needed. With a product like the ACDelco 131-160, I would pay close attention to whether it matches my vehicle’s exact specifications, because even a small mismatch can cause cooling problems.
Why I Consider ACDelco
I usually trust ACDelco when I want a part that feels close to original equipment quality. In my view, that matters a lot for cooling system parts because I do not want to deal with overheating, poor fuel economy, or unnecessary engine wear. I like that ACDelco is a brand many vehicle owners recognize for fit and durability.
Fitment Matters Most to Me
One thing I never skip is checking compatibility. I always verify that the thermostat kit is designed for my specific make, model, and engine size. Even if the part looks right, I know the wrong fit can lead to leaks or temperature issues. For me, this is the most important step before buying.
Installation Experience
If I were installing this kit myself, I would expect a straightforward replacement, but I would still be careful. I would drain the coolant properly, clean the mounting surface, and replace any old gasket material before installing the new thermostat. From my experience, taking time during installation helps prevent future problems like coolant seepage or trapped air in the system.
Performance I Expect
What I want from a thermostat kit is simple: stable engine temperature. I expect the engine to warm up properly and then stay within the right operating range. If the thermostat works well, I usually notice better heater performance in cold weather and more consistent engine behavior overall.
Things I Check Before Buying
Here is what I personally check before making the purchase:
- Vehicle compatibility
- Thermostat opening temperature
- Whether the gasket or seal is included
- Material quality of the housing and components
- Seller reputation and return policy
My Buying Advice
If I were choosing the ACDelco Engine Coolant Thermostat Kit 131-160, I would buy it only after confirming it matches my vehicle exactly. I would also compare it with other options to make sure I am getting the best balance of quality and value. For me, a thermostat kit is one of those parts where I prefer to spend a little more for peace of mind.
Final Thoughts
My overall opinion is that the ACDelco Engine Coolant Thermostat Kit 131-160 is worth considering if I want a dependable cooling system replacement. I see it as a practical buy for anyone who values proper fit, consistent temperature control, and brand reliability. If I needed a thermostat kit, this would be one of the options I would seriously review first.
Final Thoughts
In my view, the ACDelco Engine Coolant Thermostat Kit 131-160 is a solid choice if I want dependable cooling system performance and an OEM-style fit. I like that it’s designed to help maintain proper engine temperature, which can support better efficiency and overall engine health. For me, it stands out as a practical replacement part that offers peace of mind and reliable value.
Author Profile
-
Caleb Hartley is the founder and editor of RecoolingTech, where he writes about cooling products, outdoor comfort gear, sports accessories, and practical everyday equipment.
Based in Greenville, South Carolina, Caleb works as a facilities maintenance coordinator and has years of hands-on experience with equipment, upkeep, durability, and practical purchasing decisions.
He started RecoolingTech in 2026 to help readers look past flashy marketing and focus on what actually matters in real use. His reviews are shaped by a simple question: will this product still feel useful after the excitement of buying it wears off?
Latest entries
- August 30, 2026Personal RecommendationsI Tested the Best Indoor Timers for Lights: My Top Picks for Easy, Energy-Saving Home Lighting
- August 30, 2026Personal RecommendationsI Tested the Best Trailer License Plate Bracket: My Top Pick for a Secure, Road-Ready Mount
- August 30, 2026Personal RecommendationsI Tested a Blue and Black Striped Shirt: The Stylish Wardrobe Staple I Keep Reaching For
- August 30, 2026Personal RecommendationsI Tested Tomcat Rat and Mouse Killer: My Honest Review for Fast, Effective Rodent Control