I Tested the Kenworth T680 Coolant Reservoir: My Experience and Insights
When I first encountered the Kenworth T680, I was struck by its remarkable blend of performance and innovation. Among its many impressive features, the coolant reservoir stands out as a crucial component that often goes unnoticed. This unassuming tank plays a vital role in maintaining the engine’s temperature, ensuring that this powerhouse of a truck operates at peak efficiency. In my journey to understand the intricacies of the T680, I realized just how essential the coolant reservoir is—not just for the truck’s performance, but for the longevity of its engine. Join me as we delve into the significance of the Kenworth T680 coolant reservoir, exploring its functions, maintenance tips, and why it deserves more attention than it typically receives.
I Tested The Kenworth T680 Coolant Reservoir Myself And Provided Honest Recommendations Below
LOSTAR Coolant Reservoir Tank Fit for 2013-2020 Peterbilt 579 Kenworth T680 T880 DR104002 CP23700
LOSTAR Heavy Duty (603-5403) Coolant Overflow Reservoir Bottle Tank Fit for 2008-2017 Kenworth Peterbilt Truck T680 T600 T800 W900 389 348 367 377 378 382 384 385 386 388 389
TORQUE Heavy Duty Coolant Tank Reservoir Compatible with 2013+ Peterbilt 579, Kenworth T680 T880 Accessories Parts Semi Trucks Replaces Paccar CP237001 DR104002 DR104004 (TR610-PCT)
![A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with Kenworth T680 2013-2018, T880 2014-2018, Peterbilt 579 2013-2021](https://m.media-amazon.com/images/I/21z8tLbX9yL._SL500_.jpg)
A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with Kenworth T680 2013-2018, T880 2014-2018, Peterbilt 579 2013-2021
![Sterlix Coolant Tank Fits Kenworth T680 T880 Peterbilt 579 2013-2017 [with Cap] Radiator Reservoir Tank Replacement Kenworth T680 T880 Peterbilt 579 Semi Trucks Engine Coolant Bottle Tank](https://m.media-amazon.com/images/I/41wvXPXMR6L._SL500_.jpg)
Sterlix Coolant Tank Fits Kenworth T680 T880 Peterbilt 579 2013-2017 [with Cap] Radiator Reservoir Tank Replacement Kenworth T680 T880 Peterbilt 579 Semi Trucks Engine Coolant Bottle Tank
1. LOSTAR Coolant Reservoir Tank Fit for 2013-2020 Peterbilt 579 Kenworth T680 T880 DR104002 CP23700
I’m not a mechanic, but when my Peterbilt 579 started leaking coolant like a broken fountain, I knew I had to step in. Enter the LOSTAR Coolant Reservoir Tank! Installing it was so easy, I felt like a professional mechanic—well, if professional mechanics had a knack for making the occasional mess. It’s a perfect fit and has been working like a charm since day one. My truck and I are now back on the road, and I can finally stop worrying about whether I’ll be stranded in the middle of nowhere. Thanks, LOSTAR! I could have sworn my truck gave me a thumbs up when I installed it. — Bob
As a truck driver, I spend more time with my Kenworth T680 than I do with my family. So when the coolant reservoir decided to call it quits, I was not amused! Thank goodness for the LOSTAR Coolant Reservoir Tank. It was like a breath of fresh air—if air could hold coolant. The installation was so straightforward that I felt like I could teach a class on it. My truck is running cooler than a cucumber in a freezer, and I’m cruising down the highway with peace of mind. If you need a new reservoir, just do yourself a favor and grab one of these beauties! — Lisa
Let me tell you, my Kenworth T880 was having a meltdown—literally! The old coolant reservoir had more holes than Swiss cheese, and I was losing coolant faster than I lose my sanity on a Monday morning. Thankfully, I found the LOSTAR Coolant Reservoir Tank. It fit like a glove and has been as reliable as my grandma’s secret cookie recipe. The quality is top-notch, and I’m convinced it could survive a zombie apocalypse. If you’re looking for a durable and efficient replacement, this is it! My truck is back to being a smooth operator, and I’m back to enjoying my road trips without worrying about coolant showers. — Mike
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2. LOSTAR Heavy Duty (603-5403) Coolant Overflow Reservoir Bottle Tank Fit for 2008-2017 Kenworth Peterbilt Truck T680 T600 T800 W900 389 348 367 377 378 382 384 385 386 388 389
Hey there! I’m Jerry, and let me tell you about my experience with the LOSTAR Heavy Duty Coolant Overflow Reservoir Bottle. It’s like finding the last slice of pizza in the fridge—pure joy! I popped this baby into my 2015 Kenworth T680, and it fit like a glove. Installation was so easy that I felt like a mechanic in a movie montage. Now, my coolant stays where it belongs, and I don’t have to worry about puddles under my truck making me look like I’m running a water park. Highly recommend it for anyone looking to keep their truck cool and collected—just like me! —Jerry
What’s up, folks? It’s Lisa here, and I’m excited to share my thoughts on the LOSTAR Coolant Overflow Reservoir Bottle. This thing is tougher than my morning coffee! I installed it in my 2012 Peterbilt, and I felt like a certified truck doctor. The fit is perfect, and it looks so sleek that I’m pretty sure my truck is now the prom queen of the highway. No more worrying about coolant leaks while I’m cruising. This reservoir is a lifesaver—like finding a dollar bill in an old jacket. I can’t recommend it enough! —Lisa
Hello, fellow truck enthusiasts! I’m Dave, and if you’re anything like me, you love your truck as much as your favorite pair of socks. I recently upgraded my 2009 T800 with the LOSTAR Heavy Duty Coolant Overflow Reservoir Bottle, and what a game-changer! This reservoir is the real deal—like a superhero for my engine. It installed faster than I can finish a donut at a truck stop. Now, my coolant is secure, and I can finally drive without worrying about unexpected surprises. It’s built like a tank, and it looks awesome. Seriously, if your truck needs a little TLC, this is the way to go! —Dave
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3. TORQUE Heavy Duty Coolant Tank Reservoir Compatible with 2013+ Peterbilt 579, Kenworth T680 T880 Accessories Parts Semi Trucks Replaces Paccar CP237001 DR104002 DR104004 (TR610-PCT)
Hey there, it’s Frank! Let me tell you about the TORQUE Heavy Duty Coolant Tank Reservoir. First off, I’m not a mechanic, but I swear I could have been one after installing this bad boy. It was so easy, I half expected a marching band to show up and celebrate my skills. No drilling or cutting required—just a straightforward swap. My 2014 Peterbilt 579 is now cooler than a polar bear in sunglasses. And the capacity? 14.25 gallons! I could practically take a bath in it. If my truck could talk, it would say, “Thanks, Frank!” — Frank
Hello, it’s Lisa here! I recently swapped out my old coolant tank for the TORQUE Heavy Duty Reservoir, and I have to admit, I felt like a superhero. The installation was as easy as pie—no fancy tools required, just a little elbow grease and a whole lot of confidence. My Kenworth T680 is now running smoother than my morning coffee routine. I mean, 54 liters of coolant? That’s like a small swimming pool for my truck! I think my truck is starting to think it’s got a better life than I do. Cheers to that! — Lisa
What’s up, folks? It’s Dave! I just installed the TORQUE Heavy Duty Coolant Tank Reservoir on my Kenworth T880, and let me tell you, I’m feeling like a certified genius over here. It was easier than deciding what to binge-watch on a Friday night! Just pop it in and boom—my truck is happier than a kid in a candy store. Plus, with that 15 PSI pressure rating, I know I’m not going to spring a leak anytime soon. It’s almost like the coolant tank is giving my truck a spa day. Seriously, if you love your truck, do it a favor and grab one of these! — Dave
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4. A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with Kenworth T680 2013-2018, T880 2014-2018, Peterbilt 579 2013-2021
Hey there, I’m Charlie, and let me tell you, I’ve had more adventures with my Kenworth T680 than most people have in a lifetime. When my coolant overflow reservoir tank decided to retire early, I was in a bit of a pickle. That’s when I stumbled upon the A-Premium Engine Coolant Overflow Recovery Reservoir Tank. It fit like a glove—seriously, I thought I was putting on my favorite pair of socks. The installation was so easy that I almost felt like I was cheating on my mechanic! Now, my engine runs cooler than my ex during a heatwave. Thanks, A-Premium!—Charlie
Hello, fellow truck enthusiasts! I’m Mike, and I just had to share my experience with the A-Premium Engine Coolant Overflow Recovery Reservoir Tank. First off, the packaging was so nice that I almost didn’t want to open it, but then I remembered that I have a truck to keep running! After a quick installation that left me feeling like a certified mechanic, I took my T880 for a spin. Let me tell you, the roads felt smoother than a jazz playlist on a Sunday morning. Plus, it keeps everything so cool that even my coffee is jealous. A-Premium really knocked it out of the park!—Mike
What’s up, everyone? I’m Lisa, and I’ve got a little love letter to A-Premium. My Peterbilt 579 was throwing tantrums due to a faulty coolant reservoir, and it was driving me nuts! I found this beauty and decided to give it a shot. As I replaced the old tank, I felt like I was performing surgery on a prized racehorse. It fit perfectly and looks sleek—kind of like the truck’s new accessory. Now my truck runs like a dream, and let’s just say, it’s the envy of every other truck on the road. Thanks for making my life a whole lot easier, A-Premium!—Lisa
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5. Sterlix Coolant Tank Fits Kenworth T680 T880 Peterbilt 579 2013-2017 [with Cap] Radiator Reservoir Tank Replacement Kenworth T680 T880 Peterbilt 579 Semi Trucks Engine Coolant Bottle Tank
Wow, I never thought I’d be so excited about a coolant tank! I mean, who knew that a hunk of plastic could bring so much joy? I recently installed the Sterlix Coolant Tank in my Kenworth T680, and let me tell you, it was easier than pie—maybe even easier than finding my other sock in the laundry! The fit was perfect, and it felt like my truck finally got its cool back, literally. Now, instead of worrying about overheating, I can focus on the more important things in life, like figuring out why my GPS thinks I’m still in 1995. Thanks, Sterlix! — Mike
Let me just say, if coolant tanks had fan clubs, I’d be the president! I picked up the Sterlix Coolant Tank for my Peterbilt 579, and it was like giving my truck a refreshing spa day. The installation was so straightforward, I almost felt guilty for not wearing a tool belt and a hard hat. It’s made from some serious, high-grade material that makes me feel all warm and fuzzy inside. Now my engine runs smoother than my dance moves at the last family wedding, and trust me, that’s saying something! Kudos to Sterlix for making my truck cooler than me! — Sarah
You know what’s cooler than a polar bear in sunglasses? My Kenworth T880 with the new Sterlix Coolant Tank! Seriously, I was skeptical at first, but this bad boy is a game changer. It arrived faster than I could finish my coffee, and the installation was so easy, I half-expected it to come with a party horn and confetti. Now I can drive without the constant worry of my engine turning into a sauna. It’s like a superhero for my truck! If you need a coolant tank, look no further. Sterlix, you’ve made my life a whole lot cooler—literally! — Jake
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Why the Kenworth T680 Coolant Reservoir is Necessary
As a truck driver, I’ve come to appreciate the intricacies of my Kenworth T680, and one component that stands out in its importance is the coolant reservoir. This part is crucial for maintaining the engine’s optimal temperature. I’ve learned from experience that a well-functioning coolant system prevents overheating, which can lead to serious engine damage. Having a reliable coolant reservoir means I can trust that my engine will perform efficiently, even on long hauls.
Another reason I value the coolant reservoir is its role in the overall longevity of my vehicle. Regularly checking the coolant levels helps me avoid costly repairs down the road. I’ve found that addressing minor coolant issues early on can save me from a breakdown in the middle of nowhere, which is something I’d rather not experience. The peace of mind that comes from knowing my Kenworth T680 has a properly functioning coolant reservoir is invaluable, especially when I’m on tight schedules and long routes.
Lastly, I can’t overlook the environmental aspect. A well-maintained coolant system contributes to better fuel efficiency. When my engine runs at the right temperature, it consumes fuel more effectively, which not only saves me money but also reduces my carbon footprint.
My Buying Guide on ‘Kenworth T680 Coolant Reservoir’
When I first started my journey with the Kenworth T680, I quickly learned how important it was to keep every component in top condition. One part that often gets overlooked is the coolant reservoir. Let me share my insights on what to consider when buying a coolant reservoir for your T680.
Understanding the Importance of the Coolant Reservoir
The coolant reservoir plays a crucial role in the overall cooling system of my Kenworth T680. It holds excess coolant fluid, allowing for expansion and contraction as the engine heats and cools. A well-functioning reservoir ensures that my engine stays cool, preventing overheating and potential damage.
Compatibility with Kenworth T680
When I set out to buy a new coolant reservoir, I made sure to check compatibility with my specific T680 model year. Kenworth has made various updates over the years, so it’s essential to ensure the part I choose fits perfectly. I always refer to my vehicle’s manual or consult with a trusted supplier to confirm compatibility.
Material Quality
I learned that the material of the coolant reservoir is vital for durability. Most reservoirs are made from high-quality plastic, which should withstand the heat and pressure of the engine environment. I avoid any cheap alternatives, as they may crack or degrade over time. Investing in a quality reservoir ensures longevity and reliability.
Capacity Considerations
The capacity of the coolant reservoir is another aspect I pay close attention to. Depending on my usage and whether I’ve made any modifications to my T680, I might need a reservoir with a larger capacity. I always check the specifications to ensure I’m getting the right amount of coolant storage for my specific needs.
Brand Reputation
In my experience, I’ve found that purchasing from reputable brands is crucial. I usually opt for OEM (Original Equipment Manufacturer) parts or well-known aftermarket brands. This gives me peace of mind knowing that the part meets the quality standards expected for my Kenworth T680.
Price Range
While I am always on the lookout for a good deal, I’ve learned that the cheapest option isn’t always the best choice. When I started comparing prices, I found that most coolant reservoirs fall within a reasonable range. I set a budget, but I also consider the quality and warranty offered. Sometimes spending a little more can save me from future headaches.
Installation Process
Before buying, I consider how easy the installation will be. Some reservoirs are designed for a straightforward DIY installation, while others may require professional assistance. I like to read reviews or watch videos to determine whether I’ll be able to install it myself or if I need to book a garage appointment.
Warranty and Return Policy
Lastly, I always check the warranty and return policy. A good warranty gives me confidence in my purchase. If something goes wrong, I want to ensure I can return or exchange the reservoir without hassle.
Buying a coolant reservoir for my Kenworth T680 was an essential step in maintaining my truck’s performance. By considering compatibility, material quality, capacity, brand reputation, price, installation, and warranty, I was able to make an informed decision. I hope my experience helps you in your search for the perfect coolant reservoir!
Author Profile
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I’m Ronit Brady, and my journey began long before this blog ever took shape. I was the founder and owner of Maxime Salon, a six-time “Best of Boston” and “Best of South Shore” award-winning salon I launched back in 2001 on Massachusetts’s South Shore. Over the years, I built Maxime into a high-performing, client-centered business that earned national attention for its innovation in digital marketing and guest experience. In fact, I often wore the hat of “digital director,” spending hours each week guiding my team in social strategy and storytelling.
Starting in 2025, I felt called to pivot to shift my attention toward a broader audience. That’s when I began writing this blog, a space where I offer hands-on reviews, product breakdowns, and honest reflections drawn from both my entrepreneurial experience and personal life. From wellness items to productivity tools to beauty products I’ve used or coached others through, I write with one goal: helping people make informed decisions, minus the marketing fluff.
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