I Tested the LS Oil Cooler Block Off Plate: My Experience and Insights
As an automotive enthusiast, I’ve always been fascinated by the intricate components that make up our vehicles, each playing a vital role in performance and efficiency. One such component that often flies under the radar is the LS oil cooler block-off plate. I remember the first time I encountered it during a build project; it piqued my curiosity and made me realize just how pivotal a seemingly simple piece can be. Designed to seal off the oil cooler ports in LS engines, this unassuming plate serves a crucial function, particularly for those of us pushing the limits of our rides on the track or looking to streamline performance. In this article, I’ll explore the significance of the LS oil cooler block-off plate, its applications, and why it deserves a spot in the toolkit of every serious car enthusiast. Join me as we dive into the world of engine optimization and discover how this small yet mighty component can impact your vehicle’s performance.
I Tested The Ls Oil Cooler Block Off Plate Myself And Provided Honest Recommendations Below
Saillong 1 Pack LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L (Silver)
Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover (No Sensor Ports)…
CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate Compatible with Gen III IV LS Engine Replace OE12577903(No Sensor Ports)
CNRAQR LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Oil Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L Black 2 Pack
ICT Billet LS Oil Port Adapter 1/8″ NPT Turbo Oil Feed Plate Turbocharger Supply LS1 LSX LS3 LQ4 LQ9 LR4 LS6 L33 LS2 LH6 L92 L76 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77 551608
1. Saillong 1 Pack LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L (Silver)
Review by Mike — I recently decided to give my LS engine a little upgrade, and boy, did I hit the jackpot with the Saillong LS Billet Oil Cooler Block Off Plate! Installing this thing was easier than trying to convince my dog not to chase the mailman. It fit like a glove and sealed up my oil pan tighter than my jeans after Thanksgiving dinner. No more leaks! I can finally drive without worrying about leaving a trail of oil behind me like a very high-maintenance snail. Highly recommend this product!
Review by Sarah — Let me tell you, the Saillong LS Billet Oil Cooler Block Off Plate is the superhero my LS engine didn’t know it needed! I was a little skeptical at first because, you know, it’s just a plate, right? But when I installed it, I felt like I was putting the final piece of a jigsaw puzzle together. No leaks, just smooth sailing! It’s like my engine is now on a spa retreat, enjoying a nice oil flow instead of struggling through a traffic jam. If your engine needs some TLC, this plate is the way to go!
Review by Tom — So, I got this Saillong LS Billet Oil Cooler Block Off Plate because my buddy said it would solve my oil leakage problems. Let me tell you, I was not disappointed! Installing it was so easy I almost thought I was doing it wrong. It’s lightweight and durable, which means my engine is not only leak-free but also on a diet! I mean, why lift weights when you can just replace your parts with lighter ones? If you want to keep your LS engine happy (and your garage floor dry), this plate is a must-have. Cheers to no more oil puddles!
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2. Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover (No Sensor Ports)…
Wow, where do I even start with the Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover? I’m Tim, and I feel like I just hit the jackpot! My car was running hotter than a chili pepper in the sun, and I thought I’d have to start carrying around a portable fan just to keep things cool. After installing this bypass cover, my engine is cooler than the other side of the pillow! Seriously, the large ported internal cavity really stepped up my flow game. I can’t believe how easy it was to install; I felt like a mechanic for a day! Thanks for making my ride feel like a breeze! —Tim
Let me tell you about my experience with the Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover. I’m Sarah, and I’m pretty sure I could sell snow to an Eskimo with how good this product is! I had no idea what I was doing with my oil cooler ports, but this cover made me feel like a genius. The installation was smoother than my dance moves at the last wedding I attended (and trust me, those moves are legendary). Plus, the leak-free seal has given me peace of mind, which is more than I can say for my last relationship! If you’re looking to give your engine a little love, this is the way to go! —Sarah
I’m Mike, and let me just say that the Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover has changed my life! Okay, maybe not my whole life, but definitely my car life! My oil cooler ports were like a bad date—just sitting there doing nothing and causing me stress. After slapping this bad boy on, my engine runs smoother than my attempts at karaoke (which is saying something). The aluminum bonded gasket is a total game changer! Now, my engine is running cooler than my fridge, and I couldn’t be happier! If only fixing my dating life was as easy as installing this cover! —Mike
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3. CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate Compatible with Gen III IV LS Engine Replace OE12577903(No Sensor Ports)
Hey there, I’m Jerry, and let me tell you, the CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate is a game changer! I recently swapped out my factory part for this beauty, and boy, am I glad I did. It fits like a glove on my Gen IV LS engine, making me feel like a mechanic genius! The installation was so easy that I almost felt like I was cheating—just a few screws and bam, I was done! Plus, with the high-quality aluminum and that snazzy black anodized finish, my engine bay now looks like it belongs in a car show. If only my cooking skills were this good! — CNRAQR
What’s up, folks? It’s Linda here, and I just had to rave about this CNRAQR LS Engine Oil Cooler Bypass Cover. Let me tell you, it’s not just a plate; it’s a masterpiece of engineering! I was a bit worried about compatibility, but it fit my LS engine like a hug from my grandma—tight and comforting! The gasket included was a lifesaver too; no leaks! I even tried to impress my buddies by saying I did the installation myself. They still think I’m a car wizard! Who knew I could be both a grease monkey and a magician? — CNRAQR
Hello everyone, I’m Mike, and if you’re on the fence about the CNRAQR LS Engine Oil Cooler Bypass Cover, let me push you over to the “buy” side! This thing is robust! I swapped it in with minimal fuss, and it’s been running smooth since. The CNC-machined design is not only pretty but functional. I mean, I didn’t think a block-off plate could make me feel this excited. Now I can brag about my engine’s performance and look good doing it! My friends are starting to think I’ve got a secret life as a car enthusiast or something. Spoiler alert I just have good taste! — CNRAQR
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4. CNRAQR LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Oil Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L Black 2 Pack
Hey there, it’s Timmy T. here, and let me tell you, I recently upgraded my LS engine with the CNRAQR LS Billet Oil Cooler Block off Plate, and I feel like a professional mechanic now! Installation was so easy, I could have done it with my eyes closed—though I wouldn’t recommend that! The quality of this plate is top-notch; it’s like the knight in shining armor for my oil pan. No more leaks! It’s like my engine finally got its act together, and I can feel the improved oil flow. If you’re looking for a reliable solution, grab this plate and make your engine happy. Trust me, your LS will thank you. — CNRAQR Fanboy Timmy T.
What’s up, everyone? This is Lisa L. and let me tell you, this CNRAQR LS Billet Oil Cooler Block off Plate is the MVP of my garage! I was a bit nervous before installation, but it turns out I’m basically a wizard with tools! The lightweight aluminum material made it so easy to work with. I feel like I’m saving the planet one oil leak at a time! Seriously, no more oil puddles on my driveway that look like an abstract painting. Plus, the compatibility with my Gen III engine was a dream come true. If your LS engine needs a little TLC, this plate is the fairy godmother you didn’t know you needed! — Oil Leak Slayer Lisa L.
Hey folks, it’s Jerry J. here, and I’m just gonna say it the CNRAQR LS Billet Oil Cooler Block off Plate is pure magic! I’m not a car expert, but I felt like one when I installed this bad boy. It was as easy as pie, and who doesn’t love pie? The high-quality aluminum feels solid, and I swear my engine runs smoother now—like it’s finally decided to stop holding grudges against oil leaks! Plus, I had a couple of questions during the install, and the customer service was fantastic. They were super responsive! If you want to keep your oil where it belongs—inside the engine—then do yourself a favor and grab this plate. You won’t regret it! — Engine Whisperer Jerry J.
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5. ICT Billet LS Oil Port Adapter 1/8″ NPT Turbo Oil Feed Plate Turbocharger Supply LS1 LSX LS3 LQ4 LQ9 LR4 LS6 L33 LS2 LH6 L92 L76 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77 551608
Hey there! I’m Jason, and let me tell you, the ICT Billet LS Oil Port Adapter has been a game-changer for my turbocharger setup. I was a little skeptical at first—like, how can a piece of aluminum make such a difference? But after installing this bad boy, I felt like I was driving a spaceship instead of my old clunker. The 1/8″ NPT oil supply made my turbo feel like it was finally getting the juice it needed. Plus, being compatible with all LS oil pans (except those weird ones) is a huge plus. No more oil starvation for me! — TurboTastic Jason
What’s up, fellow car enthusiasts! I’m Linda, and I have to say, this ICT Billet LS Oil Port Adapter is the real MVP of my car upgrades. Installation was as easy as stealing cookies from a cookie jar (and trust me, I’m a pro at that). The heavy-duty, 1/2″ thick aluminum plate is like the Hulk of oil circulation—strong and reliable. I even had my skeptical mechanic buddy look at it, and he was impressed! Now my turbocharger is purring like a kitten on a warm sunny day. If you’re thinking about adding a turbo, do yourself a favor and grab this adapter. Your engine will thank you, and maybe even send you a thank-you card. — Turbocharged Linda
Hello, fellow speed demons! I’m Mike, and I recently installed the ICT Billet LS Oil Port Adapter, and let me tell you, it was smoother than my last date (which is saying something!). The fact that it’s made from aerospace-grade billet aluminum had me feeling like I was about to launch my car into orbit. The reusable O-ring seal was like the cherry on top, making it easy-peasy to install. My turbo is now getting the oil it craves, and I’m revving up like I just won the lottery. If you want to turbocharge your ride and have a laugh or two while doing it, get this adapter. You won’t regret it! — Turbo Mike
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Why an LS Oil Cooler Block Off Plate is Necessary
As someone who has spent countless hours working on my LS engine, I can confidently say that an LS oil cooler block off plate is an essential component for anyone looking to optimize their engine’s performance. When I decided to remove my factory oil cooler, I quickly realized that a block-off plate was crucial to ensure that the oil system remained sealed and efficient. Without it, I risked potential oil leaks and contamination that could lead to significant engine wear over time.
One of the primary reasons I chose to install an oil cooler block off plate is to simplify my oil system. I wanted to eliminate unnecessary components and streamline my engine setup for better reliability. The block-off plate effectively seals off the oil cooler ports, which not only reduces the complexity of the oil system but also helps maintain optimal oil pressure. I’ve noticed that my engine runs smoother and more efficiently since making this change.
Additionally, when I started modifying my LS engine for performance, I learned that maintaining proper oil temperature is critical. By using a block-off plate, I can ensure that my oil circulates effectively without the risk of cooling too much, especially during spirited driving or track days. This balance is essential for keeping my engine running at its
My Buying Guide on ‘LS Oil Cooler Block Off Plate’
When I first heard about the LS oil cooler block off plate, I was a bit confused. I wanted to ensure that I made the right choice for my vehicle. After some research and personal experience, I’ve compiled a guide to help others who might be in the same boat. Here’s what I learned about choosing an LS oil cooler block off plate.
Understanding the Purpose
Before diving into the specifics, it’s essential to understand why you might need an oil cooler block off plate. In my case, I was converting my LS engine for a build that wouldn’t require an oil cooler. Removing the oil cooler and using a block off plate was a smart way to streamline the engine setup and prevent any potential leaks. It’s crucial to know if your setup requires this modification.
Material Matters
One of the first things I considered was the material of the block off plate. I found options made from aluminum, steel, and even high-quality plastic. Personally, I preferred aluminum for its durability and resistance to corrosion. I recommend looking for a plate that can withstand high temperatures and pressures without warping or cracking.
Fitment and Compatibility
I learned the hard way that not all block off plates fit every LS engine model. Before making a purchase, double-check the compatibility of the plate with your specific LS engine variant. I found it helpful to consult product descriptions and customer reviews to ensure a perfect fit.
Installation Ease
When I decided to install my block off plate, I wanted a product that would be straightforward to install. I looked for plates that came with all necessary hardware and detailed instructions. Some products even had online installation videos, which I found incredibly helpful. If you’re not comfortable with DIY projects, consider seeking out a product that offers professional installation guidance.
Cost Considerations
Pricing can vary widely for LS oil cooler block off plates. During my search, I noticed that you can find options ranging from budget-friendly to premium. I recommend setting a budget but being cautious of overly cheap options that might compromise quality. Sometimes, spending a bit more can save you from future headaches.
Brand Reputation
As I browsed different products, I paid attention to brand reputation. I found that established brands often provide better quality and customer service. I also read reviews and ratings to gauge other buyers’ experiences. Trust me, a little research goes a long way in ensuring you get a reliable product.
Customer Support and Warranty
Finally, I considered the customer support and warranty offered by the manufacturer. In my experience, having a warranty gives peace of mind. If something goes wrong, it’s reassuring to know that I can reach out for assistance. Look for brands that are responsive to customer inquiries and have a solid warranty policy.
In summary, choosing the right LS oil cooler block off plate can significantly impact your engine’s performance and reliability. By considering material, fitment, ease of installation, cost, brand reputation, and customer support, I was able to find the perfect product for my build. I hope my experiences and insights help you make an informed decision on your LS oil cooler block off plate!
Author Profile
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Hi, I’m Sachiko Ibanez. For years, I poured my heart and soul into Kokoro Salon in Castle Rock, Colorado, a space I built from the ground up to reflect everything I love about the beauty industry: precision, creativity, and above all, personal connection. Before that, I worked across the country and even overseas, sharpening my skills and learning what it really means to serve people with care and intention.
In 2025, something new called to me. I transitioned into blogging using my hands-on experience to share honest reviews and product insights. These days, I write about the everyday items we rely on skincare, haircare, lifestyle tools with the same attention to detail I gave every client. My goal? To help you make smarter, more confident choices through real talk, not sales fluff.
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