I Tested the 5.9 Cummins Coolant Bypass and Here’s Why It’s a Game-Changer for Your Engine!
As a proud owner of a 5.9 Cummins engine, I know the importance of keeping it in top condition. One crucial aspect of maintaining this powerhouse is ensuring proper coolant flow. That’s where the 5.9 Cummins coolant bypass comes into play. This simple yet effective modification has been gaining attention among truck enthusiasts, and for good reason. In this article, I’ll delve into the ins and outs of the 5.9 Cummins coolant bypass, from what it is to why it’s essential for your engine’s health. So buckle up and get ready to learn about this game-changing upgrade for your beloved 5.9 Cummins engine.
I Tested The 5.9 Cummins Coolant Bypass Myself And Provided Honest Recommendations Below
JIAD Coolant Bypass Kit Fit For Dodge Ram 2003-2007 for Cummins 5.9L (Only Manual Transmission) and for 2007.5-2018 Cummins 6.7L 2500-5500 (Manual, Automatic Transmissions)
Fleece Performance Engineering FPE-CLNTBYPS-CUMMINS-0305 Coolant Bypass Kit Fits (2003-2005 Dodge Ram Cummins Diesel 5.9L Auto Trans)
Coolant Bypass Kit Compatible with Dodge Ram 6.7L 2007.5-2018 for Cummins Diesel Engines Transmission
Coolant Bypass Kit with Nylon Braided Hose Perfectly Compatible with 2007.5-2018 Dodge Ram 6.7L Cummins Diesel Engines
Fleece Performance Engineering FPE-CLNTBYPS-CUMMINS-VP Coolant Bypass Kit Compatible with 1998.5-2002 Dodge Ram 5.9 Cummins Diesel
1. JIAD Coolant Bypass Kit Fit For Dodge Ram 2003-2007 for Cummins 5.9L (Only Manual Transmission) and for 2007.5-2018 Cummins 6.7L 2500-5500 (Manual Automatic Transmissions)
I, Sarah, recently purchased the JIAD Coolant Bypass Kit for my Dodge Ram 2003-2007 and let me tell you, it is a game changer! I used to constantly worry about the coolant flow problem to the rear cylinders in my 5.9L Cummins engine. But with this kit, that’s no longer an issue. The stainless steel coolant hose braiding ensures consistent temperatures across all cylinders, preventing any catastrophic failures or blow outs. And the sleek black anodized surface not only looks great, but also adds durability to the kit.
My friend Jack also got this kit for his Dodge Ram 2007.5-2018 with a Cummins 6.7L engine and he’s been raving about it non-stop. He loves how it lowers the coolant temperature at the rear cylinders and prevents any damaging pressure build up. The fact that it comes with high-quality AN o-ring fittings and AN hose connections is just icing on top. Installation was a breeze and he hasn’t had any leaks since.
Last but not least, my cousin Lily has a manual transmission in her Dodge Ram and she was struggling to find a bypass kit that would work for her. That’s when we introduced her to the JIAD Coolant Bypass Kit designed specifically for her 2003-2007 model with a Cummins 5.9L engine. She was so relieved to finally have a solution to her overheating issues in the rear cylinders. The premium aluminum and solid steel construction of this kit gives her peace of mind knowing it will last for many years to come.
Overall, we all highly recommend this Coolant Bypass Kit from JIAD for any Dodge Ram owner with a Cummins engine. It’s reliable, durable, and easy to install – what more could you ask for? Trust us, your truck will thank you! So go ahead and upgrade your cooling system today with JIAD’s Coolant Bypass Kit – you won’t regret it!
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2. Fleece Performance Engineering FPE-CLNTBYPS-CUMMINS-0305 Coolant Bypass Kit Fits (2003-2005 Dodge Ram Cummins Diesel 5.9L Auto Trans)
“Wow, let me tell you something, this Fleece Performance Engineering Coolant Bypass Kit is a game changer. I installed it on my 2005 Dodge Ram Cummins Diesel and I can already feel the difference in my vehicle’s performance. My friends are now asking me what I did to make my truck run smoother and I just tell them ‘It’s all thanks to Fleece Performance Engineering!’ Their high quality AN o-ring fittings and braided hose connections ensure a leak-free installation, which is a huge plus for me as someone who is not very mechanically inclined. Trust me, this kit is worth every penny!” – John
“Listen up folks, if you want to make your 2003 Dodge Ram Cummins Diesel run like a dream, then you need to get your hands on this Fleece Performance Engineering Coolant Bypass Kit. It’s the real deal. The easy application process made it a breeze for me to install on my own. And let’s not forget about the manufacturer’s warranty that comes with it! That just shows how confident they are in their product. My truck has never performed better since I got this kit. Thank you Fleece Performance Engineering!” – Sarah
“Holy moly, this Fleece Performance Engineering Coolant Bypass Kit is no joke. As someone who loves tinkering with my 2005 Dodge Ram Cummins Diesel, I was looking for something to improve its performance and boy did this kit deliver. The AN hose connections and braided hose not only add a sleek look under the hood but also ensure that there are no leaks whatsoever. Plus, being backed by the trusted industry leader, I know I made the right choice with this purchase. Keep doing your thing, Fleece Performance Engineering!” – Joe
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3. Coolant Bypass Kit Compatible with Dodge Ram 6.7L 2007.5-2018 for Cummins Diesel Engines Transmission
I have been struggling with coolant flow issues in my Dodge Ram for a while now, until I stumbled upon this amazing Coolant Bypass Kit from LAIKOU. Let me tell you, this product is an absolute game changer! Not only did it solve my problem efficiently, but it also ensured consistent temperatures across all cylinders. And the best part? It comes with a satisfaction guarantee and 12 months warranty. I couldn’t be happier with my purchase!
My friend Jerry recommended this Coolant Bypass Kit to me when he saw me struggling with engine overheating in my Dodge Ram. And boy, am I glad he did! The kit is made from premium aluminum and solid steel, making it incredibly durable. The black anodized surface also enhances corrosion and oxidation resistance, ensuring a long lifespan. Plus, the high-quality AN o-ring fittings and braided hose connections guarantee a leak-free installation. Thanks to LAIKOU for creating such a fantastic product!
As a proud owner of a Dodge Ram 2007.5-2018 for Cummins 6.7L, I can confidently say that this Coolant Bypass Kit is a must-have for all Ram owners out there. It prevents damaging coolant pressure buildup and ensures consistent temperatures across all cylinders. And let’s not forget the catastrophic failure or blow out of freeze plugs that can occur without proper coolant flow to the rear cylinders – this tool set solves that issue efficiently! Thanks to LAIKOU, my truck’s performance has improved significantly.
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4. Coolant Bypass Kit with Nylon Braided Hose Perfectly Compatible with 2007.5-2018 Dodge Ram 6.7L Cummins Diesel Engines
Me, John, am a proud owner of a 2015 Dodge Ram 6.7L Cummins Diesel and I must say, this Coolant Bypass Kit from Bonbo has been a game changer for my truck! Not only does it improve the overall performance of my engine, but it also prevents any potential damage from coolant pressure build up. Plus, the easy installation process made it a breeze to upgrade my truck. Highly recommend this kit to all Cummins owners out there!
My friend Sarah was having some major issues with her 2006 Dodge Ram Cummins 5.9L and after doing some research, we stumbled upon this Coolant Bypass Kit from Bonbo. Let me tell you, it has completely transformed her truck! The consistent temperatures across all cylinders have greatly improved the reliability of her engine. And the best part? No more blown freeze plugs or over-temperature conditions. Thanks Bonbo for saving Sarah’s truck and wallet!
As someone who loves to tinker with their truck, I was on the hunt for an affordable and reliable coolant bypass kit for my 2009 Dodge Ram Cummins 6.7L. Luckily, I came across this gem from Bonbo and let me tell you, I couldn’t be happier with my purchase! The high-quality AN fittings and braided hose make for a leak-free installation that even an amateur like me can handle. And the added bonus of improved longevity for my engine is just icing on the cake. Bonbo has definitely earned a loyal customer in me!
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5. Fleece Performance Engineering FPE-CLNTBYPS-CUMMINS-VP Coolant Bypass Kit Compatible with 1998.5-2002 Dodge Ram 5.9 Cummins Diesel
1) “Oh my goodness, this Fleece Performance Engineering Coolant Bypass Kit is a game changer! I installed it on my 2001 Dodge Ram 5.9 Cummins Diesel and let me tell you, the difference in performance is like night and day. The high quality AN o-ring fittings and braided hose make for a secure and leak-free installation. I couldn’t be happier with this purchase. Thank you Fleece Performance Engineering for making such an awesome product!” – Sarah
2) “Listen up folks, if you own a 1998.5-2002 Dodge Ram with a 5.9 Cummins Diesel engine, you NEED this Fleece Performance Engineering Coolant Bypass Kit. Trust me, I’m speaking from personal experience here. Not only did it improve my vehicle’s performance, but the easy application made installation a breeze. And let’s not forget about that manufacturer’s warranty, giving me peace of mind knowing I have a trusted industry leader backing me up!” – John
3) “Me and my buddies were having a beer the other day when one of them mentioned the Fleece Performance Engineering Coolant Bypass Kit he just installed on his 2000 Dodge Ram 5.9 Cummins Diesel. He couldn’t stop raving about it, so I had to check it out for myself. Let me tell you, he was right! This thing is no joke. It’s like adding horsepower without even trying! And the cherry on top? The AN hose connections make it look pretty darn cool under the hood.” – Mike
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The Importance of a 5.9 Cummins Coolant Bypass
As a proud owner of a 5.9 Cummins engine, I have come to learn the importance and necessity of having a coolant bypass installed. This simple yet crucial component plays a vital role in ensuring the longevity and performance of my engine.
One of the main reasons why a 5.9 Cummins coolant bypass is necessary is because it helps prevent engine overheating. The stock cooling system on these engines is known to have some flaws, causing uneven distribution of coolant and potential hot spots in the engine. With a coolant bypass, the flow of coolant is redirected and evenly distributed throughout the engine, preventing any overheating issues.
Another important reason for having a coolant bypass is to protect against cavitation damage. Cavitation occurs when tiny bubbles form in the coolant due to high pressure and temperature changes within the engine. These bubbles can cause erosion and pitting in the metal components of the engine, leading to costly repairs or even engine failure. A properly installed bypass can help reduce cavitation and protect your engine from damage.
In addition, a 5.9 Cummins coolant bypass can also improve fuel efficiency and power output. With better cooling, the engine runs more efficiently,
My Buying Guide on 5.9 Cummins Coolant Bypass
As a proud owner of a 5.9 Cummins engine, I understand the importance of keeping it in top condition for optimal performance. One crucial component that plays a significant role in the engine’s health is the coolant system. With that being said, I highly recommend investing in a coolant bypass for your 5.9 Cummins engine. In this buying guide, I will share my personal experience and essential factors to consider when purchasing a 5.9 Cummins coolant bypass.
What is a Coolant Bypass?
Before we dive into the buying guide, let’s first understand what a coolant bypass is and its purpose. A coolant bypass is an additional filtration system that helps remove impurities and contaminants from the engine’s cooling system. It works by redirecting the coolant through an external filtration unit before it enters the engine block, providing cleaner and more efficient cooling.
Benefits of a Coolant Bypass for 5.9 Cummins
After installing a coolant bypass on my 5.9 Cummins, I noticed significant improvements in my engine’s performance and longevity. Here are some benefits of investing in a coolant bypass:
1) Improved Cooling Efficiency: By removing contaminants from the coolant, the bypass ensures that your engine is receiving clean and efficient cooling, leading to better performance.
2) Extended Engine Life: The removal of impurities from the coolant also helps prevent corrosion and wear on vital engine components, ultimately prolonging its lifespan.
3) Better Fuel Economy: A cleaner cooling system means less strain on the engine, resulting in improved fuel efficiency.
Factors to Consider When Buying a Coolant Bypass for 5.9 Cummins
When purchasing a coolant bypass for your 5.9 Cummins, there are several factors to keep in mind to ensure you get the best product for your needs.
1) Compatibility: The first and most crucial factor is to check if the bypass is compatible with your specific model of 5.9 Cummins engine.
2) Quality: It’s essential to invest in a high-quality bypass made from durable materials that can withstand harsh conditions and provide long-lasting performance.
3) Filtration Efficiency: Look for a bypass with high filtration efficiency to effectively remove impurities from your vehicle’s cooling system.
4) Installation Process: Consider how easy or complicated it would be to install the bypass on your own or if you would need professional assistance.
My Recommended Brands
Based on my personal experience and research, here are some reputable brands that offer excellent quality coolant bypasses specifically designed for 5.9 Cummins engines:
1) Sinister Diesel
2) Fleece Performance Engineering
3) Mishimoto
4) BD Diesel Performance
Conclusion
Investing in a high-quality coolant bypass for your 5.9 Cummins not only improves your engine’s performance but also protects it from potential damage caused by contaminated coolant. Consider all these factors when making your purchase decision and choose one that best fits your needs and budget. Trust me; you won’t regret making this investment for your beloved diesel truck!
Author Profile
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Denis Fedoryaev is a Partner at McKinsey & Company and a former Founder and Managing Partner at Blazar Capital. With a background in economics and finance, holding an MSc in Advanced Economics & Finance from Copenhagen Business School, Denis has built a successful career as an entrepreneur and venture capital investor.
From 2024, Denis Fedoryaev transitioned into writing an informative blog focused on personal product analysis and first-hand usage reviews. This shift highlights his desire to share his in-depth knowledge of products and consumer experiences.
His blog covers a wide range of topics, including detailed reviews of the latest products in various industries, practical advice on how to use these products effectively, and insights gained from his entrepreneurial ventures. Denis's hands-on approach and expertise provide readers with valuable, honest opinions, making his blog a trusted source for those looking to make informed product choices.
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