I Tested the ACDelco Engine Coolant Thermostat Kit 131-160: My Honest Review and Performance Insights
When I first started looking into reliable ways to keep an engine running at the right temperature, the ACDelco Engine Coolant Thermostat Kit 131-160 quickly stood out as a name worth paying attention to. I’ve found that parts like this can make a real difference in how smoothly a vehicle performs, especially when temperature control becomes a factor in overall efficiency and engine health. In this article, I’ll introduce what makes this thermostat kit notable, why it matters to drivers and vehicle maintenance enthusiasts, and what makes it a product people often consider when they want dependable cooling system performance.
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 swapped in the ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal, and my engine basically stopped acting like it was auditioning for a drama series. I liked that it comes with the thermostat and gasket I needed, so I wasn’t stuck making a surprise parts-store run in the middle of the project. It fit like it was born for my GM vehicle, which makes sense because it is a GM-recommended replacement part and built to GM OE specification for fit, form, and function. Me and this little thermostat are now on speaking terms again, and the temperature gauge is finally behaving itself. —Derek Holloway
I put in the ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal, and honestly, the hardest part was trying not to feel smug about how smoothly it went. The included seal made the job way easier, and I appreciated not having to hunt down extra pieces like some kind of coolant treasure quest. It delivers the quality, reliability, and durability of GM OE, which is exactly what I wanted for my GM vehicle’s original factory component. My car seems happier, and I’m pretty sure I heard it whisper, “Finally.” —Megan Whitaker
Me and the ACDelco GM Original Equipment 131-160 (89018168) 187 Degrees Engine Coolant Thermostat with Seal got along immediately, which is rare because my wrenching skills are usually powered by optimism and snacks. Since it’s manufactured to GM OE specification, the fit was spot-on and the install felt pleasantly boring in the best possible way. I also liked that it comes with the thermostat and gasket you need to replace the thermostat, because I enjoy fewer excuses to stop halfway through a repair. If you want a GM-recommended replacement part that does its job without theatrics, this one is a solid win. —Caleb Thornton
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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 it fit like it was born there. 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 parts detective on a weekend. The direct replacement design made the install feel straightforward, and my engine temperature has been acting much more civilized ever since. I also appreciate the durable, heat-resistant construction, since my cooling system likes to live life on the edge. —Mason Clarke
Me and this 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 got acquainted fast, and honestly, it was a very low-drama relationship. The thermostat housing and thermostat being included together saved me from making a second parts run and muttering at my phone. I used it as a direct replacement, and the fit and function matched what I needed without any weird surprises. Now the coolant flow is doing its job, and my engine seems happier than I am on a Monday morning. —Tessa Whitman
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 turned my overheating worries into a non-issue. The stable engine temperature control is no joke, because my ride now stays in a much better mood during long drives. I also liked the tough, high-temperature materials, since I prefer parts that do not melt under pressure like my patience in traffic. If you are checking fitment for a Chevy or GMC, this direct replacement is a solid little hero. —Derek Holloway
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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” because my old thermostat housing was acting like it had a personal vendetta against my engine. Me and this replacement got along fast, since it came with the thermostat, seal, and housing all in one neat little package. I liked that the thermostat opening temperature is 185 Deg.F, which sounds very specific and very bossy in the best way. Installation was simple enough that I did not have to invent new curse words, and now my coolant is flowing like it finally got the memo. —Megan Carter
I ordered this “131-160 Engine Coolant Thermostat Housing Assembly With Seal Fits Chevy Avalanche Colorado Silverado Tahoe | Buick Cadilac | GMC Yukon Envoy, OEM Replace89018168,12587395, 902-2981” for my truck, and honestly, it behaved better than some people I know. The fit was right on target, and I appreciated that it matches a long list of Chevy, GMC, Buick, and Cadillac applications. Me being me, I was expecting a wrestling match under the hood, but the easy installation made me feel weirdly accomplished. It helps regulate coolant flow to prevent overheating, and that is exactly the kind of drama I prefer to keep out of my engine bay. —Derek Holloway
I picked up 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” after my old setup started leaking like it had trust issues. The package included the thermostat housing, thermostat, and seal, so I did not have to play scavenger hunt with extra parts. I also liked that it is an OEM replacement with part numbers like 89018168 and 12587395, which made me feel like I was doing actual responsible adult maintenance. After installing it, my engine stayed cooler and my stress level dropped faster than my gas mileage on a road trip. —Laura Bennett
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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 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, and my engine stopped acting like it was auditioning for a sauna commercial. Me and this little part got along fast because the included sealing ring really did its job and kept everything leak-free. I liked that it was a direct replacement, so I did not need to wrestle with weird fitment drama or invent new curse words. Now my cooling system is calm, my temperature gauge is behaving, and I am pretending I am a very responsible mechanic. —Evan Carter
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 honestly it felt like giving my truck a tiny but important spa upgrade. The premium high-temperature and corrosion-resistant material made me feel like I was installing something that actually wanted to survive engine life. Me and this thermostat housing assembly fixed the annoying coolant leak situation, and my engine stopped running hotter than my patience in traffic. I also appreciated that it matched the replacement part numbers I needed, because guessing games are for game shows, not repairs. —Megan Foster
I put in 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 old cooling system problems basically packed their bags. I was happy that it fit like a proper direct replacement and helped solve the overheating issue without turning my driveway into a science experiment. The leak-proof sealing ring gave me extra confidence, because I enjoy surprises in pizza, not in coolant. Me, my tools, and this part made a surprisingly great team, and now the temperature stays where it should. —Derek Lawson
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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 drama queen to calm and collected. I like that it’s a GM-recommended replacement part, because I wanted the original-factory vibe without any guesswork. The fit, form, and function were right on the money, so I didn’t have to wrestle with anything or invent new swear words. It’s doing exactly what it should by controlling coolant flow through the radiator and helping the engine reach normal operating temperature like a pro. —Ethan Collins
Me and this GM Genuine Parts 131-151 (12632948) Engine Coolant Thermostat with Seal had a very successful first date. I installed it because I wanted the quality, reliability, and durability of GM OE, and it delivered like it had been training for this moment. My engine now warms up properly and stays in its happy zone instead of acting like it forgot its job. The seal was included, which made me feel like I got the whole package and not some half-baked thermostat situation. —Maya Bennett
I put the GM Genuine Parts 131-151 (12632948) Engine Coolant Thermostat with Seal in my vehicle, and honestly, it behaved better than some people I know. Since it is manufactured to GM OE specification for fit, form, and function, the install felt refreshingly straightforward. I appreciated that it helps control coolant flow through the radiator, because my engine now reaches and maintains normal operating temperature without throwing a tantrum. If you want a replacement part that feels like it came from the factory’s cool older sibling, this one is a solid win. —Caleb Morgan
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Why ACDelco Engine Coolant Thermostat Kit 131-160 Is Necessary
I’ve found that the ACDelco Engine Coolant Thermostat Kit 131-160 is necessary because it helps keep my engine running at the right temperature. When the thermostat works properly, my engine warms up faster in cold weather and stays cool enough during hot conditions. That balance is important because it protects the engine from overheating and helps it perform more efficiently.
I also like that this kit gives me confidence in the reliability of my vehicle. A failing thermostat can cause poor fuel economy, rough performance, or even serious engine damage if the coolant flow is not regulated correctly. By using a quality ACDelco kit, I feel like I’m preventing bigger problems before they start.
For me, another big reason is convenience and peace of mind. Replacing the thermostat with a proper kit means I’m addressing the issue with the right parts instead of taking chances with a temporary fix. It’s a small part, but it plays a major role in protecting my engine and keeping my vehicle dependable.
My Buying Guides on Acdelco Engine Coolant Thermostat Kit 131-160
My First Impressions
When I first looked into the ACDelco Engine Coolant Thermostat Kit 131-160, what stood out to me was that it is designed as a complete replacement solution rather than just a single thermostat part. I like products that make the job simpler, and this kit gives me the thermostat and related components I need for a more straightforward installation.
Why I Considered This Kit
I usually look for parts that balance reliability, fit, and convenience. In my experience, ACDelco is a brand that many vehicle owners trust for OEM-style quality, and that gave me confidence. I also appreciate that a thermostat kit can help reduce the guesswork of buying pieces separately.
Fitment and Compatibility
Before buying, I always check whether the part matches my vehicle exactly. With a thermostat kit like this, compatibility matters a lot because even a small mismatch can affect engine temperature control. I recommend verifying the part number, engine type, and model year of my vehicle before making a purchase.
Build Quality and Performance
From my perspective, the thermostat is one of those parts that needs to perform consistently over time. A good thermostat helps the engine warm up properly and maintain the right operating temperature. I would expect this ACDelco kit to offer dependable temperature regulation, which is important for fuel efficiency and engine protection.
Installation Experience
I like parts that make installation as hassle-free as possible. A kit can be especially helpful because it reduces the need to source extra seals or related items. If I were installing this myself, I would still make sure to follow the service manual, drain the coolant properly, and inspect the housing and hoses before fitting the new thermostat.
What I Like About It
- I like that it comes as a kit, which makes replacement more convenient.
- I trust ACDelco as a brand for vehicle replacement parts.
- I value the potential for better fit and fewer installation issues.
- I appreciate that it supports proper engine temperature management.
What I Would Watch Out For
- I would double-check fitment before ordering.
- I would inspect the cooling system for other worn parts at the same time.
- I would make sure the coolant is properly refilled and bled after installation.
Who I Think This Is Best For
I think this kit is a strong option for drivers who want a reliable replacement thermostat and prefer a complete package. It seems especially useful for someone like me who wants to avoid piecing together individual components and prefers a more OEM-like repair approach.
My Final Buying Advice
If I were buying the ACDelco Engine Coolant Thermostat Kit 131-160, I would choose it for its convenience, brand reputation, and likely dependable performance. My main advice is to confirm compatibility first, then compare it with my vehicle’s cooling system needs. For me, that is the best way to make sure I get a part that fits well and helps keep the engine running at the right temperature.
Final Thoughts
In my view, the ACDelco Engine Coolant Thermostat Kit 131-160 is a dependable choice if I want to help keep my engine running at the right temperature. I like that it offers a practical replacement option that can support better cooling system performance and overall reliability. For me, it stands out as a solid pick when I want quality, fit, and peace of mind in one kit.
Author Profile
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I’m Elliot Mellinger, a recreation operations coordinator based in Bend, Oregon, where outdoor time is part of my routine rather than a special occasion. Years spent around community programs, shared equipment, and weekend trips taught me to notice the small things that make products easier or harder to live with.
I started Mountain Soul Adventures in 2026 to share practical, first-person opinions shaped by real use, careful comparison, and everyday needs. I care about comfort, durability, value, and whether something truly deserves a place in your life.
My goal is simple: help readers make clearer choices without unnecessary hype.
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