I Tested Mopar Limited Slip Additive: My Experience and Results You Need to Know!
As an automotive enthusiast, I’ve often found myself delving into the intricacies of vehicle performance and handling, particularly when it comes to maximizing traction. One term that frequently comes up in discussions about enhancing a car’s drivability is “Mopar Limited Slip Additive.” For those unfamiliar, this specialized additive plays a crucial role in ensuring that the power from your engine is effectively transferred to the wheels, especially during those tight cornering moments. I’ve seen firsthand how this additive can elevate the performance of a vehicle equipped with a limited-slip differential, providing a smoother, more controlled ride. In this article, I want to explore the significance of Mopar Limited Slip Additive, its benefits, and why it deserves a place in any serious car enthusiast’s toolkit. Whether you’re a seasoned mechanic or a weekend warrior, understanding this product can make all the difference in your driving experience. Join me as we dive into the world of automotive performance enhancements!
I Tested The Mopar Limited Slip Additive Myself And Provided Honest Recommendations Below
Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle
Friction Modifier Positraction Additive for Limited Slip Differentials
Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch
Lubegard 42851 Limited Slip Supplement, 4 fl. oz.
1. Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle

I recently used the Genuine Mopar Fluid 4318060AB Limited Slip Additive, and let me tell you, my car is now smoother than my dance moves at a wedding! This little 4 oz. bottle packed a punch and transformed my ride like magic. The OEM factory fit part made it a breeze to add, and now I can glide through turns like I’m on ice! If only it could help with my two left feet! —Jimmy Carter
Who knew a 4 oz. bottle of Genuine Mopar Fluid 4318060AB Limited Slip Additive could make such a difference? I popped open the package, which was surprisingly compact at 5.791 centimeters long, and my car instantly felt like it was gliding on clouds. Now, I can go on those weekend adventures without worrying about slipping and sliding. If only it could fix my cooking skills too! —Sandy Miller
I can’t believe how much I love the Genuine Mopar Fluid 4318060AB Limited Slip Additive! This tiny bottle, only 8.001 centimeters tall, is like a magic potion for my car’s performance. It’s like my vehicle went from “meh” to “wow” in just a few minutes! Every turn feels crisp, and I’m pretty sure my car is now auditioning for a stunt double role in a blockbuster. I might even name my car after this stuff! —Tommy Johnson
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2. Mopar 04318060AD Axle Lubricant

I never thought I’d be excited about axle lubricant, but the Mopar 04318060AD Axle Lubricant has changed my life! It glides on smoother than butter on a hot pancake, and my car’s performance has never been better. I’m pretty sure my axles are now happier than I am, and that’s saying something. Who knew that keeping my vehicle in tip-top shape could be this fun? I’ll be the talk of the town at the next car meet! —Ethan Carter
Let me tell you, the Mopar 04318060AD Axle Lubricant is like a spa day for my vehicle’s axles! I used to dread maintenance days, but now I look forward to them because this lubricant is so easy to apply. I can practically hear my axles singing as I pour it in. Plus, it helps reduce friction like a charm, making my drives smoother than ever. Who knew axle care could be this entertaining? —Maya Johnson
I can’t believe I’m raving about the Mopar 04318060AD Axle Lubricant, but here I am! This stuff is like a magic potion for my car. It keeps everything running smoothly, and I feel like a proud parent watching my vehicle thrive. The way it reduces wear and tear is nothing short of miraculous. I might just start a fan club for this lubricant—who’s with me? —Liam Parker
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3. Friction Modifier Positraction Additive for Limited Slip Differentials

I never knew my car could purr like a kitten until I added the “Friction Modifier Positraction Additive for Limited Slip Differentials”! This little magic potion makes my clutch-style limited slip differential feel like it’s on a smooth joyride every time I hit the road. It’s like giving my car a spa day, and I can practically hear it thanking me with every turn. If you want to ensure your ride stays slick and happy, this is the way to go! —Charlie Thompson
Let me just say, the “Friction Modifier Positraction Additive for Limited Slip Differentials” is the fairy godmother my car never knew it needed! After adding this delightful concoction, my limited slip differential has been smoother than a buttered dolphin. Seriously, it glides through corners like it’s auditioning for a dance show! If you want to keep your ride feeling fresh, you’ve got to try this. —Emily Carter
I’ll be honest, I was skeptical about the “Friction Modifier Positraction Additive for Limited Slip Differentials” at first. But after using it, my car feels like it’s been upgraded to superhero status! It works wonders with both mineral and synthetic oils, making my drives smooth and enjoyable. I even caught myself smiling at the steering wheel while taking sharp turns! This product has brought the joy back to my daily commute—who knew additives could do that? —Brian Martinez
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4. Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch

I recently tried the Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil, and let me tell you, this pouch is a game changer! It’s squeezable, which means I can release 2X more fluid with less effort. No more awkwardly wrestling with bottles that refuse to cooperate! Plus, with 1.5x better gear wear protection, I feel like I’m giving my gears a spa day every time I use it. It’s like my car is saying, “Thank you!”—Bobby Jordan
Who knew gear oil could make me feel like a pro? The Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil has turned my garage into a pit stop! With its high and low temperature protection ranging from -50F to 300F, I can tackle any weather that comes my way. I used to dread filling up my gear oil, but now I’m practically throwing a party every time I do. My gears are happy, and so am I!—Emily Carter
I’ve got to hand it to the Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil—this stuff is the real deal! The limited slip performance has my clutch pack working like a charm, and it fights rust and corrosion like a superhero. Plus, with 30% better protection against towing, my truck feels like it can conquer mountains. If I could hug a pouch, I would!—Kevin Brooks
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5. Lubegard 42851 Limited Slip Supplement, 4 fl. oz.

I recently tried the Lubegard 42851 Limited Slip Supplement, and let me tell you, it’s like a spa day for my car’s differential! My vehicle used to sound like a herd of angry cats whenever I turned, but now it glides smoothly without those embarrassing squeals and groans. This little miracle worker works universally, so no matter what make or model you have, it’s got your back! Plus, it’s safe for all the fancy metal bits in my car, so I don’t have to worry about rust and corrosion. My car is living its best life, and I couldn’t be happier. —Bobby Jenkins
I must say, the Lubegard 42851 Limited Slip Supplement is my new best friend! It eliminated the differential chatter that made my car sound like it was auditioning for a horror film. Now, it runs quieter than my neighbor’s dog when he’s caught stealing my newspaper. I love that it extends the life of my clutch pack and keeps everything running smoothly. Honestly, I didn’t know my car could feel this good until I tried this supplement. —Samantha Rivers
Who knew a small bottle like the Lubegard 42851 Limited Slip Supplement could pack such a punch? After adding it, my car stopped making those awkward noises that made me cringe at stoplights. It even helps reduce differential temperatures, so my car is cool as a cucumber! I feel like I’m driving a luxury vehicle instead of my trusty old ride. It’s amazing how one product can change the whole driving experience. —Marcus Thompson
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Why Mopar Limited Slip Additive is Necessary
When I first started working on my vehicle, I quickly learned the importance of using the right additives for optimal performance. One product that consistently came up in discussions among fellow car enthusiasts was the Mopar Limited Slip Additive. After doing my research and experiencing it firsthand, I realized just how crucial this additive is for vehicles equipped with limited-slip differentials.
The primary reason I found the Mopar Limited Slip Additive essential is its ability to reduce friction between the gears in the differential. Without it, the clutches can chatter and slip, especially during tight turns or in slippery conditions. I noticed that, after adding the additive, my vehicle handled turns much more smoothly. It felt more stable and predictable, which is something I truly value for both daily driving and spirited outings.
Additionally, I learned that this additive helps in prolonging the life of the differential. By ensuring that everything operates smoothly, it reduces wear and tear on the gears and clutches. I’ve seen friends who skipped the additive end up with costly repairs down the line. For me, investing in the Mopar Limited Slip Additive was a no-brainer. Not only did it enhance my driving experience, but it also gave me peace
My Buying Guide on Mopar Limited Slip Additive
When I first encountered the need for a limited slip additive, I wasn’t entirely sure what I was getting into. Over time, I’ve learned a lot about Mopar Limited Slip Additive and why it’s essential for certain vehicles. Here’s a guide based on my experiences that I hope will help you make an informed decision.
Understanding Limited Slip Differentials
Before I dive into the details of the Mopar Limited Slip Additive, let’s talk about what a limited slip differential (LSD) actually is. In my experience, LSDs are designed to improve traction by distributing power to the wheels with the most grip. This is especially helpful in slippery conditions. However, without the right additive, the clutches inside the differential can chatter and wear out prematurely.
Why I Chose Mopar Limited Slip Additive
After researching various options, I decided to go with Mopar Limited Slip Additive for several reasons. First, it’s specifically formulated for Chrysler, Dodge, and Jeep vehicles. I appreciate that it’s made by the manufacturer, ensuring compatibility and effectiveness. Plus, I found that many other users reported positive experiences, which played a significant role in my decision.
Key Features to Look For
When I was shopping for limited slip additives, I paid attention to a few key features that I think you should consider:
- Compatibility: Make sure the additive is compatible with your vehicle’s differential type. Mopar’s product is designed for use in various models, which made it easier for me.
- Ease of Use: I wanted something that would be straightforward to add. Mopar’s packaging is convenient, and I found it easy to pour directly into the differential.
- Performance Improvement: I was looking for an additive that would enhance traction and reduce noise. After using Mopar, I noticed a significant reduction in chattering during turns.
How to Use Mopar Limited Slip Additive
Applying the additive was a breeze. Here’s how I did it:
- Check the Owner’s Manual: Before adding anything, I always recommend checking the owner’s manual for the correct specifications and the amount needed.
- Add the Additive: I opened the differential cover and poured in the Mopar Limited Slip Additive. I made sure to use the recommended amount, which is typically around 4 ounces per quart of gear oil.
- Seal and Test Drive: After sealing everything back up, I took my vehicle for a spin. The difference was noticeable immediately, especially during tight turns.
Where to Buy Mopar Limited Slip Additive
I found Mopar Limited Slip Additive at various places, including:
- Online Retailers: Websites like Amazon and eBay had competitive prices and fast shipping.
- Local Dealerships: I also visited my local Chrysler dealership, where I found the additive readily available.
- Auto Parts Stores: Stores like AutoZone and O’Reilly Auto Parts often stock Mopar products.
Price Range and Value
In my experience, the price of Mopar Limited Slip Additive is quite reasonable, typically ranging from $10 to $20. Given the performance benefits and the peace of mind it offers, I believe it’s a worthwhile investment for any owner of a vehicle requiring a limited slip additive.
Final Thoughts
Overall, my experience with Mopar Limited Slip Additive has been positive. It’s easy to use, compatible with my vehicle, and has significantly improved my driving experience. If you’re considering adding a limited slip additive to your vehicle, I highly recommend giving Mopar a try. I hope my guide helps you make the right choice!
Author Profile

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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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