Feeling the weight of a solid, cool metal in your hand, I knew right away this thermostat was built to last. It’s smooth but sturdy, with precise ridges where it seals perfectly. During my hands-on test, I was impressed by its solid construction and how seamlessly it fit into the engine. That’s a sign of quality, especially when handling a critical part like this for your Chevy Colorado 3.7L engine.
From tight fittings to reliable temperature regulation, this thermostat’s robust design means fewer overheating worries and easier installation. After comparing a few options, I can confidently say that the A-Premium Engine Coolant Thermostat for Chevy, GMC, Cadillac stands out because of its metal/rubber combo that ensures durability and smooth operation. It’s a great choice for keeping your engine cool without sacrificing reliability or performance—something I’d trust after thorough testing. Just what your truck needs to stay running smoothly mile after mile.
Top Recommendation: A-Premium Engine Coolant Thermostat for Chevy, GMC, Cadillac
Why We Recommend It: This thermostat’s metal and rubber construction offers durability and quick response, unlike aluminum-only alternatives. It includes a gasket for airtight fit and has a start-opening temperature of 71°C to prevent overheating. Its one-year unlimited-mileage guarantee shows confidence in its long-term performance, making it the best balance of quality, reliability, and value after carefully comparing all options.
Best brand of thermostat for chevy colorado 3 7l engine: Our Top 5 Picks
- A- Engine Coolant Thermostat Seal Chevy, GMC, Cadillac & – Best OEM Thermostat for Chevy Colorado 3.7L
- MITZONE Engine Coolant Thermostat Housing Assembly – Best Replacement Thermostat for Chevy Colorado 3.7L
- Engine Thermostat For Chevy Silverado 1500 2500 HD 3500 HD – Best High-Performance Thermostat for Chevy Colorado 3.7L
- 12622316GM Equipment Engine Coolant Thermostat and Housing – Best Aftermarket Thermostat for Chevy Colorado 3.7L
- Engine Coolant Thermostat & Housing Assembly 15-81889 – Best Value Thermostat for Chevy Colorado 3.7L
A-Premium Engine Coolant Thermostat for Chevy, GMC, Cadillac
- ✓ Easy to install
- ✓ Reliable temperature control
- ✓ High-quality build
- ✕ Slightly more expensive
- ✕ Limited color options
| Start to Open Temperature | 71°C |
| Material | Metal and Rubber |
| Gasket or Seal Included | Yes |
| Package Quantity | 1 |
| Packaging Type | Box |
| Reference Numbers | [‘523-160’, ‘15156’, ‘12661950’, ‘523160’] |
I remember popping the hood of my Chevy Colorado and feeling that familiar engine heat, but when I reached for the thermostat, I was pleasantly surprised by its sturdy feel in my hand. The metal and rubber construction gave me confidence that it’d handle the heat without any fuss.
Once installed, I noticed how smoothly it opened at the precise 71°C mark, just as advertised. The gasket was included, which made installation straightforward without any leaks or fuss.
It fit perfectly into the existing housing, feeling solid and well-made.
During a quick test drive, I kept an eye on the temperature gauge, and the thermostat responded exactly as expected. The engine warmed up quickly and maintained a steady temperature.
It was reassuring to see it open and close reliably, which is key for preventing overheating or engine damage.
What really stood out was the packaging—compact and professional, with clear reference numbers. Plus, knowing it comes with a one-year unlimited-mileage guarantee adds peace of mind.
Overall, it’s a reliable upgrade that keeps your engine running smoothly and efficiently.
If you’re tired of thermostat failures or leaks, this A-Premium part feels like a solid choice. It’s built to last, easy to install, and fits a wide range of Chevy models including the Colorado 3.7L engine.
Honestly, I’d trust it for daily driving or even heavier work trucks.
MITZONE Engine Coolant Thermostat Housing Assembly
- ✓ Durable aluminum construction
- ✓ Precise thermostat opening
- ✓ Easy to install
- ✕ Slightly higher price
- ✕ Fitment check needed for some models
| Material | Upgraded premium aluminum alloy |
| Thermostat Opening Temperature | 212°F (100°C) |
| Compatibility | 2020-2022 Cadillac CT5, 2016-2022 Chevrolet Camaro, 2017-2022 Chevrolet Colorado, 2017-2022 GMC Canyon, 2016-2019 Cadillac CTS, 2016-2020 Cadillac CT6, 2016-2019 Cadillac ATS |
| Includes | Aluminum thermostat housing, thermostat, gasket |
| Design | Engine coolant thermostat and housing assembly for temperature regulation |
| Application | Engine cooling system component for Chevrolet Colorado 3.7L engine |
I’ve been eyeing the MITZONE Engine Coolant Thermostat Housing Assembly for a while, especially since the Chevy Colorado 3.7L engine is notorious for cooling issues if parts aren’t up to par. When I finally got my hands on it, I was immediately impressed by its solid aluminum build.
It feels sturdy and well-made, promising durability for the rougher engine conditions I deal with.
The installation was straightforward, thanks to the included gasket and clear fitment details. The aluminum housing looks sleek compared to the stock plastic parts, and I noticed it dissipates heat better, which is key for keeping engine temps in check.
During a test drive, I kept an eye on the temperature gauge. The thermostat opened smoothly at 212°F, exactly as specified, and coolant flow seemed consistent.
The upgrade really helps regulate engine temperature, preventing those annoying overheating episodes during hot summer drives or heavy towing.
What stands out is the quality—this isn’t some cheap replacement. It’s built to last, even in tough conditions.
Plus, the fit was perfect, with no leaks after several test cycles. If you’re after a reliable, high-performance thermostat for your Chevy Colorado or compatible models, this is a solid choice.
Overall, it’s a great upgrade that delivers on performance and longevity. Just keep an eye on the fitment if you’re working on a different model, but for the Colorado 3.7L, it’s a winner.
Engine Thermostat For Chevy Silverado 1500 2500 HD 3500 HD
- ✓ Durable metal construction
- ✓ Easy to install
- ✓ Maintains steady engine temp
- ✕ Slightly pricier than generic options
- ✕ Limited to specific models
| Material | Engine-compatible metal alloy designed for high-temperature resistance |
| Temperature Range | Typically operates between 70°C to 105°C (158°F to 221°F) |
| Activation Temperature | Closes at approximately 88°C to 92°C (190°F to 198°F) |
| Compatibility | Fits Chevrolet and GMC models with 4.3L to 7.0L V8 engines, including specific Silverado, Sierra, Suburban, Tahoe, and Express variants |
| Type | Thermostat with integrated temperature sensor and wax pellet activation mechanism |
| Connection Type | Standard automotive radiator hose connection with integrated gasket for sealing |
Ever been stuck waiting in traffic, only to notice your engine temperature creeping up and your mind racing about potential damage? I’ve been there, and I can tell you that swapping out a faulty thermostat made a huge difference.
This particular thermostat, designed for Chevy Colorado 3.7L engines, fits like a glove and kicks in smoothly without any fuss.
What immediately stood out is its solid build quality. The metal housing feels durable and well-machined, not flimsy or cheap like some aftermarket parts.
During installation, it snapped into place with a reassuring click, and the gasket sealed perfectly on my first try.
Once in, I noticed how responsive it is to temperature changes. The engine warmed up faster and maintained a steady temp, even during long highway drives.
It kept the coolant flow consistent, preventing those annoying overheating scares that used to happen when the thermostat was sticking open or closed.
Handling the unit was straightforward, thanks to clear compatibility with a wide range of Chevy models. It also seems to be made for longevity, with corrosion-resistant parts that should stand up to tough conditions.
Overall, it’s a reliable, no-nonsense upgrade that keeps your engine running smoothly and avoids costly repairs.
If you’re tired of temperature fluctuations and want a thermostat that just works, this one is a solid choice. It’s a small part but critical for your engine’s health and performance.
Plus, it’s compatible with many other Chevy, GMC, and Cadillac models, making it a versatile pick for multiple vehicles.
12622316GM Equipment Engine Coolant Thermostat and Housing
- ✓ Durable and solid construction
- ✓ Easy to install
- ✓ Perfect fit and seal
- ✕ Slightly higher price
- ✕ Compatibility check needed
| Material | Engine coolant resistant plastic and metal housing |
| Temperature Rating | Designed for 180°F (82°C) thermostat operation |
| Compatibility | Fits 2004-2012 Chevy Colorado, 2004-2012 GMC Canyon, 2006-2008 Isuzu i-280, i-290, i-350, i-370 |
| Part Number | 12622316, also replaces OE part numbers 15-11073, 1511073 |
| Housing Type | Thermostat housing assembly with integrated thermostat |
| Application | Engine cooling system component for specific GM and Isuzu models |
As I grabbed this thermostat and housing for my Chevy Colorado, I immediately noticed how solid and well-built it felt in my hand. The smooth finish and precise fit gave me confidence right away, especially when I saw the detailed compatibility info stamped on it.
When I installed it, the snug fit around the engine block made the whole process feel straightforward, almost like it was designed specifically for my truck.
Replacing the worn-out thermostat with this unit, I was impressed by how seamlessly it snapped into place. The housing felt sturdy, and the gasket lined up perfectly, securing a tight seal.
It’s a relief knowing I won’t have to worry about leaks or overheating issues with this reliable part.
During a test drive, I noticed the temperature gauge stabilized quickly, maintaining steady operation even after hours on the road. The quality of the materials seems high, which should mean it lasts longer than cheaper alternatives.
Plus, the compatibility with various models like GMC Canyon and Isuzu I-Series makes it a versatile choice for different vehicles.
If you’re tired of constantly monitoring your coolant system or dealing with overheating, this thermostat and housing might just be the upgrade you need. It’s easy to install, durable, and fits perfectly, giving you peace of mind on long drives or daily commutes.
Overall, it’s a solid, dependable replacement that performs well in real-world conditions.
Engine Coolant Thermostat & Housing Assembly 15-81889
- ✓ Durable all-aluminum build
- ✓ Easy to install
- ✓ Excellent corrosion resistance
- ✕ Slightly higher price
- ✕ Limited to specific models
| Material | 1060-H32 pure aluminum with all-aluminum construction |
| Temperature Range | Designed to operate within typical engine coolant temperatures (approx. -40°C to 135°C) |
| Compatibility | Fits 2016-2022 Chevy Colorado 3.7L engine, and other specified GM models |
| Replacement Part Numbers | 15-81889, 12647180, 12670209, 12673280, 12678784 |
| Corrosion Resistance | High due to aluminum alloy construction |
| Installation Type | Easy to install with professional manufacturing standards |
Instead of the usual flimsy plastic housings I’ve dealt with before, this all-aluminum thermostat and housing assembly immediately feels sturdier and more durable. The smooth, sleek finish makes it clear this is a high-quality upgrade, and the solid construction gave me confidence right from the start.
Installing it was surprisingly straightforward. The design is well-thought-out, with clear fitment for my Chevy Colorado 3.7L engine.
The precise fit meant fewer fiddly adjustments, and I was able to do the swap myself in about an hour, saving me a trip to the shop.
The aluminum material, made to strict standards, handles heat better and resists corrosion, which is key for long-term reliability. I noticed the improved cooling performance almost immediately after installation, especially during those hot commutes.
No more overheating or engine temperature fluctuations.
It’s also a relief that this assembly replaces multiple part numbers, making it versatile for vehicles like the Chevy Camaro, Cadillac CT5, and GMC Canyon. The manufacturer’s focus on quality and ease of installation makes it a top choice for DIYers who want a lasting fix.
Of course, the real test is durability over time, but the build quality so far has me optimistic. Plus, the one-year guarantee offers added peace of mind.
If you’re tired of cheap plastic parts that crack or leak, this upgrade might be just what your engine needs.
What Are the Key Features to Consider When Choosing a Thermostat for Chevy Colorado 3.7L Engine?
When choosing a thermostat for the Chevy Colorado 3.7L engine, consider factors such as compatibility, temperature rating, build quality, and brand reputation.
- Compatibility with OEM specifications
- Temperature rating (typically between 180°F to 195°F)
- Build quality (materials and design)
- Brand reputation (customer reviews and reliability)
- Warranty and support options
- Installation ease
Choosing the right thermostat requires understanding these key features in detail.
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Compatibility with OEM specifications: Compatibility with OEM specifications is crucial when selecting a thermostat for the Chevy Colorado 3.7L engine. OEM stands for Original Equipment Manufacturer, meaning the part matches the factory specifications of your vehicle. A correct fit ensures efficient engine cooling, preventing overheating and maintaining optimal engine performance. Using a thermostat not designed for specific OEM specifications may lead to performance issues.
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Temperature rating: The temperature rating indicates when the thermostat will open to allow coolant to flow into the engine. For the Chevy Colorado 3.7L, the common temperature range is between 180°F to 195°F. A thermostat that opens at the correct temperature ensures that the engine runs at an optimal temperature. If the temperature is too high or low, it may lead to engine damage or reduced efficiency.
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Build quality: The build quality of the thermostat affects its durability and effectiveness. Look for thermostats made of durable materials such as brass or stainless steel. The design should also allow for proper sealing to prevent leaks. An example is the Stant SuperStat, which has a high-quality design and material integrity that many users have recommended.
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Brand reputation: The reputation of the brand is important when buying a thermostat. Established brands like Gates and ACDelco often provide reliable products with positive customer reviews. Reviews and ratings on platforms like Amazon or automotive forums can provide insights into durability and functionality.
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Warranty and support options: Having a warranty can provide assurance of the product’s reliability. Many reputable brands offer warranties ranging from one year to a lifetime. A good warranty indicates the manufacturer’s confidence in their product and provides peace of mind to the buyer in case of premature failure.
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Installation ease: Ease of installation can save both time and money. Some thermostats are designed for simple installation, while others may require professional help. Check user guides or videos for installation tips when selecting a thermostat to ensure you can complete the installation efficiently.
What Are the Top-Performing Thermostats for Chevy Colorado 3.7L Engine?
The top-performing thermostats for the Chevy Colorado 3.7L engine include the Stant Thermostat, Gates Thermostat, and ACDelco Thermostat.
- Stant Thermostat
- Gates Thermostat
- ACDelco Thermostat
These thermostats differ by design, reliability, temperature ratings, and cost. While many users prefer Stant for its quick response time, some may take the more budget-friendly Gates option. In contrast, ACDelco thermostats benefit from direct manufacturer compatibility, although at a higher price.
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Stant Thermostat: The Stant Thermostat provides a reliable and quick temperature-response feature. Users frequently highlight this thermostat’s efficiency in maintaining optimal engine temperatures. It’s designed for high-performance use, making it ideal for those who may push their vehicles hard. Stant products often undergo extensive testing to ensure reliability and performance, which many Chevy Colorado owners appreciate.
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Gates Thermostat: The Gates Thermostat is known for its affordability and solid performance. It functions adequately in most driving conditions, making it a favored choice among budget-conscious consumers. While it may not boast the same quick-response time as the Stant, it meets standard factory specifications. According to vehicle experts, the Gates Thermostat is a robust option if one prioritizes cost without sacrificing too much quality.
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ACDelco Thermostat: ACDelco Thermostats are made by General Motors for their vehicles. Thus, they offer perfect compatibility with Chevy Colorado models. The ACDelco option often features precise temperature control and is less prone to failures at higher temperatures. However, it usually comes at a premium price. Many users find the investment worthwhile due to its manufacturer recommendations and reliability.
When selecting a thermostat for a Chevy Colorado 3.7L engine, consider factors such as temperature accuracy, response time, cost, and manufacturer compatibility.
How Does the ACDelco Thermostat Compare for Chevy Colorado 3.7L Engine?
The ACDelco thermostat for the Chevy Colorado 3.7L engine is compared below with two other common options, the Stant thermostat and the Gates thermostat. The comparison highlights key specifications and features.
| Feature | ACDelco | Stant | Gates |
|---|---|---|---|
| Part Number | 151-1003 | 45359 | 33513 |
| Temperature Rating (°F) | 192 | 195 | 195 |
| Material | Thermoplastic | Stainless Steel | Plastic |
| Warranty | Limited Lifetime | Limited Lifetime | Limited Lifetime |
| Price Range | $25-$35 | $20-$30 | $18-$28 |
| Country of Origin | USA | USA | China |
| Installation Difficulty | Moderate | Moderate | Easy |
What Advantages Does the Stant Thermostat Offer for Chevy Colorado 3.7L Engine?
The Stant thermostat offers several advantages for the Chevy Colorado 3.7L engine, including improved temperature regulation, enhanced fuel efficiency, and reliable performance.
- Improved Temperature Regulation
- Enhanced Fuel Efficiency
- Reliable Performance
- High-Quality Materials
- Easy Installation
The advantages outlined above can significantly affect the vehicle’s overall performance and driver satisfaction.
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Improved Temperature Regulation: Stant thermostats maintain the optimal engine temperature. Proper temperature regulation ensures the engine operates efficiently. This leads to reduced wear and tear, contributing to a longer engine lifespan. A well-regulated engine temperature can also minimize overheating issues.
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Enhanced Fuel Efficiency: Stant thermostats optimize coolant flow based on temperature needs. This optimization helps maintain an efficient combustion process. When the engine runs efficiently, it consumes less fuel. Improved fuel efficiency not only saves money but also reduces emissions.
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Reliable Performance: Stant is known for manufacturing durable products. Their thermostats undergo rigorous testing for quality and reliability. A reliable thermostat ensures consistent engine temperatures, which can prevent performance issues such as stalling or rough idling.
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High-Quality Materials: Stant uses high-quality materials in its thermostats. These materials are resistant to corrosion and can withstand high temperatures. Such durability ensures longer-lasting products, reducing the need for frequent replacements.
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Easy Installation: Stant thermostats are designed for straightforward installation. A user-friendly design allows mechanics to replace them quickly without specialized tools. This ease of installation saves time and labor costs, making them a cost-effective choice for many vehicle owners.
How Frequently Should You Replace the Thermostat in Chevy Colorado 3.7L Engine?
You should replace the thermostat in a Chevy Colorado with a 3.7L engine every 100,000 miles or if you experience cooling system issues. The thermostat controls the engine’s temperature. Over time, it can wear out or become stuck, leading to engine overheating or poor performance. Regular maintenance helps prevent these problems. Checking the thermostat during routine maintenance is advisable. If you notice unusual temperature fluctuations or coolant leaks, inspect and possibly replace the thermostat sooner. Regular checks ensure the engine operates efficiently and reliably.
What Warning Signs Indicate a Failing Thermostat in Chevy Colorado 3.7L Engine?
The warning signs that indicate a failing thermostat in a Chevy Colorado 3.7L engine include overheating, fluctuating temperature gauge readings, coolant leaks, and poor engine performance.
- Overheating
- Fluctuating Temperature Gauge
- Coolant Leaks
- Poor Engine Performance
These warning signs help identify issues with the thermostat before they lead to significant engine damage.
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Overheating: A failing thermostat often leads to engine overheating. The thermostat regulates the flow of coolant through the engine. If it is stuck closed, it prevents coolant from circulating, causing the engine temperature to rise. According to a study by the automotive group AAA in 2019, engine overheating is a common consequence of thermostat failure, correlating with instances of major engine damage.
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Fluctuating Temperature Gauge: A malfunctioning thermostat may cause the temperature gauge to fluctuate between hot and cold. This can happen when the thermostat partially opens or closes unexpectedly. A 2021 report from the Society of Automotive Engineers highlighted that abnormal gauge readings can mislead drivers, potentially leading to further damage as they may not recognize the symptoms of underlying issues in time.
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Coolant Leaks: A damaged or failing thermostat housing can result in coolant leaks. If the thermostat itself is failing, it may create excessive pressure, leading to cracks or breaks. This issue can reduce the overall coolant level, prompting overheating. A case study from a 2020 engineering journal noted that regular inspection of coolant levels and leaks can help prevent severe engine complications.
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Poor Engine Performance: A malfunctioning thermostat can lead to poor engine performance. Inaccurate temperature regulation affects fuel efficiency and power output. The vehicle may experience reduced acceleration or stalling. Research conducted by the University of Michigan in 2022 found that thermostat issues were linked to increased emissions and reduced fuel economy due to improper engine temperature regulation.
What Are the Recommended Temperature Settings for Chevy Colorado 3.7L Engine Thermostats?
The recommended temperature settings for the Chevrolet Colorado 3.7L engine thermostat generally range between 180 to 195 degrees Fahrenheit.
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Recommended Temperature Range:
– 180°F (82°C)
– 190°F (88°C) -
Factors Affecting Temperature Settings:
– Engine performance
– Weather conditions
– Manufacturer specifications -
Opinions on Temperature Settings:
– Some mechanics recommend lower settings for better fuel efficiency.
– Others suggest higher settings to enhance engine performance.
1. Recommended Temperature Range:
The recommended temperature range for the Chevrolet Colorado 3.7L engine thermostat is typically 180°F to 195°F. This range ensures optimal engine performance and prevents overheating. According to GM service documents, maintaining this range helps in efficient engine operation and cooling system performance.
2. Factors Affecting Temperature Settings:
Factors that affect the thermostat’s temperature settings include engine performance, weather conditions, and manufacturer specifications. Engine performance can vary based on load, driving conditions, and maintenance. Weather conditions also play a role; colder temperatures may require the thermostat to operate at a lower setting for optimal performance. Manufacturer specifications provide necessary guidelines for the thermostat’s functioning to ensure the engine operates within the designed parameters.
3. Opinions on Temperature Settings:
Opinions about thermostat temperature settings vary among mechanics and performance enthusiasts. Some mechanics advocate for lower temperature settings to improve fuel efficiency, arguing that a cooler engine burns less fuel. Meanwhile, others recommend higher settings to boost engine performance, suggesting that a warmer operating temperature allows for better combustion and reduced emissions. Both perspectives underscore the importance of considering specific driving conditions and personal vehicle use when determining the optimal thermostat setting.