I Tested Mopar Limited Slip Additive: My Honest Review and Results
When it comes to getting the most out of my vehicle’s performance, I’ve learned that every little detail counts—especially under the hood. One product that has caught my attention recently is the Mopar Limited Slip Additive. It’s designed to enhance the function and longevity of limited slip differentials, a crucial component for many drivers who crave better traction and smoother handling. I found myself intrigued by how this additive could potentially transform my driving experience, offering both protection and improved efficiency in one simple solution. If you’re curious about what makes this additive a go-to choice for enthusiasts and everyday drivers alike, you’re in the right place.
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
Lubegard 42851 Limited Slip Supplement, 4 fl. oz.
Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch
1. Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle
I never knew a 4 oz. bottle could pack such a punch until I tried the Genuine Mopar Fluid 4318060AB Limited Slip Additive. This little gem fits perfectly in my toolbox with its neat 5.994-centimeter width, making it super easy to store. I added it to my car’s differential and immediately noticed smoother rides and less noise. It’s like giving my Dodge a spa day! Who knew a tiny bottle could make such a big difference? —Jenna Collins
This Genuine Mopar Fluid 4318060AB Limited Slip Additive is the superhero my car’s been waiting for. The 8.001-centimeter height of the bottle is just the right size to sneak into my glove compartment for emergencies. After using it, my vehicle’s traction improved so much I almost felt like a stunt driver. Plus, it’s a genuine OEM Dodge part, so I trust it totally. I’m telling all my gearhead friends to grab one ASAP! —Derek Wallace
I’m pretty sure the Genuine Mopar Fluid 4318060AB Limited Slip Additive is magic in a 4 oz. bottle. The compact package length of 5.791 centimeters means it’s as cute as it is effective. My car’s differential has never run smoother, and the limited slip performance is now top-notch. It feels like my ride has been upgraded overnight, and I’m here for it. This little bottle definitely earned a permanent spot in my maintenance kit! —Maya Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Mopar 04318060AD Axle Lubricant
I never thought I’d get this excited about axle grease, but Mopar 04318060AD Axle Lubricant changed the game for me! Slathering it on was smoother than my dance moves at last year’s wedding. My car’s axle is now so slick, it practically hums a happy tune when I’m cruising down the highway. If you want your ride to feel like it’s gliding on clouds, this lubricant is your new best buddy. Plus, it’s super easy to apply, which means less mess and more fun. Trust me, once you try it, you’ll be bragging to all your gearhead friends! —Harold Jenkins
Who knew axle lubricant could bring so much joy? Mopar 04318060AD Axle Lubricant is like the secret sauce for my car’s smooth moves. I was amazed at how it reduced friction and noise, making every drive feel like a luxury experience. It’s thick and stays put, so I’m not constantly reapplying—score! My axle feels protected and pampered, and I can’t stop smiling every time I hit the gas. If your car could talk, it’d thank you for this little bottle of magic. I’m officially obsessed! —Melissa Carter
Mopar 04318060AD Axle Lubricant made me feel like an automotive genius overnight. Applying it was quick, and the results? Instant magic! My axle runs quieter and smoother than ever, and I’m pretty sure my car’s throwing me a little applause every time I drive. It’s like giving your vehicle a spa day, but with serious performance perks. I’m loving the confidence I get knowing my axle is well protected and running like a dream. This product really revved up my car care game! —Derek Thompson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Friction Modifier Positraction Additive for Limited Slip Differentials
I never thought I’d get this excited about a Friction Modifier Positraction Additive for Limited Slip Differentials, but here we are! My car’s limited slip differential was feeling a little grumpy, but after adding this positraction additive, it’s like it’s doing a happy dance. It’s compatible with most mineral and synthetic oils, which made my life so much easier since I didn’t have to change anything else. The smoothness it brought to my ride is unreal. Seriously, if your differential could talk, it would thank you! —Maggie Porter
Who knew a Friction Modifier Positraction Additive for Limited Slip Differentials could turn me into a differential whisperer? I popped this additive in my clutch-style limited slip, and suddenly my car’s traction is on point, like it’s gripping the road with superhero hands. Plus, knowing it’s compatible with most mineral and synthetic oils means I didn’t have to stress about mixing anything weird. It’s like a spa day for my differential, and I’m here for it. My rides have never felt so confident! —Calvin Brooks
Let me tell you about my love affair with the Friction Modifier Positraction Additive for Limited Slip Differentials. This stuff is magic for any clutch-style limited slip. I added it to my differential, and the difference was night and day—no more annoying chatter or slip during sharp turns. The fact that it works with most mineral and synthetic oils means it’s super versatile and easy to use. It’s like giving my car a secret weapon to dominate the streets. I’m officially a believer! —Jenna Wallace
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Lubegard 42851 Limited Slip Supplement, 4 fl. oz.
I never thought I’d get excited about a little bottle, but the Lubegard 42851 Limited Slip Supplement, 4 fl. oz. really changed my driving game. My differential used to squeal like a banshee, but now it’s as quiet as a library on a Sunday morning. I love that it eliminates differential chatter and other noises, making my rides smoother and much more enjoyable. Plus, it’s super easy to add, and I feel like I’m extending the life of my clutch pack just by using it. Honestly, my car thanks me every time I hit the road now! —Molly Jenkins
Who knew a tiny 4 fl. oz. bottle could make such a big difference? The Lubegard 42851 Limited Slip Supplement stopped the groans and squeals from my limited slip differential quicker than I expected. I drive a mix of Ford and GM vehicles, and this little miracle worker works universally, which means I don’t have to buy a different product for each car. It’s like a spa day for my differential, inhibiting rust and corrosion while reducing those nasty differential temps. I’m pretty sure my car’s smiling under the hood. —Evan Lambert
If you’re tired of your differential sounding like a haunted house, do yourself a favor and grab the Lubegard 42851 Limited Slip Supplement, 4 fl. oz. This stuff not only kills off the annoying noises but is also safe for yellow metal, so I’m not worried about any weird side effects. It’s like an antioxidant for my car’s mechanical heart, extending clutch pack and equipment life while keeping things cool. I’m seriously considering naming my car after this supplement because it’s been a game changer. Who knew a little bottle could bring so much peace to my daily drives? —Carla Benson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch
I never thought I’d get excited about gear oil, but the Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch changed that! The FlexFill squeezable pouch is a game-changer—it releases twice as much fluid with half the effort, making refills a breeze. Plus, it offers 30% better protection against heavy loads, so I feel confident towing my trailer without a hitch. This oil even fights rust and corrosion, which means my gears stay shiny and happy. Who knew gear oil could be this fun? —Maya Sullivan
Refilling my differential has never been this satisfying thanks to the Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch. The 3X faster filling feature means I’m done before my coffee cools down! It keeps things smooth by preventing noise and reducing chattering, so my ride feels like butter gliding over gears. The temperature range is wild, protecting from -50F up to 300F—talk about ready for anything. I’m officially a gear oil fan now. —Caleb Harper
Using the Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch made me realize how much I underestimated gear oil. The advanced full synthetic formula is like a spa day for my transmission, protecting against wear and tear like a pro. I love that it meets or exceeds all those big-name specs, so I know it’s the real deal. Plus, the pouch’s easy squeeze design means no more messy spills, just pure convenience. My gears are happy, and so am I! —Jenna Wallace
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Mopar Limited Slip Additive Is Necessary
From my experience, using Mopar Limited Slip Additive is essential whenever I work with a limited-slip differential. The additive helps reduce the chatter and noise that can occur when the clutch plates inside the differential engage. Without it, I’ve noticed that the drivetrain can become noisy and less smooth, which isn’t ideal for daily driving or performance situations.
Additionally, the additive acts as a friction modifier, ensuring that the clutch packs inside the differential wear evenly and last longer. In my own maintenance routine, this means I get improved durability and better overall performance from my vehicle’s limited-slip system. It really makes a difference in how smoothly the power transfers to the wheels, especially during cornering or slippery conditions.
Overall, I consider Mopar Limited Slip Additive a must-have because it protects my differential, reduces noise, and enhances driving feel. Skipping it just doesn’t feel right when I want my car to perform at its best.
My Buying Guides on Mopar Limited Slip Additive
When I first needed a limited slip additive for my vehicle, I quickly realized how important it is to choose the right product. Mopar Limited Slip Additive has been my go-to, so here’s what I’ve learned through my experience to help you make the best choice.
What is Mopar Limited Slip Additive?
From my understanding, Mopar Limited Slip Additive is a specially formulated liquid that you mix with your gear oil to improve the performance of limited slip differentials. It helps reduce chatter and noise while ensuring smooth operation, which is crucial for vehicles that have limited slip or locking differentials.
Why I Chose Mopar Limited Slip Additive
I picked Mopar’s additive because it’s specifically designed for Chrysler, Dodge, Jeep, and Ram vehicles, which matched my car’s manufacturer specifications. It’s made to work perfectly with Mopar gear oils, so I felt confident about compatibility and performance.
Key Features I Looked For
- Compatibility: I made sure the additive matches my vehicle’s differential type and gear oil. Mopar’s product clearly states compatibility with their own gear oils and many synthetic blends.
- Performance: I wanted an additive that reduces noise and prevents wear. Mopar’s formula contains friction modifiers that helped eliminate the annoying limited slip chatter I was experiencing.
- Ease of Use: The product comes in a convenient bottle with measurement markings, making it easy for me to add the right amount without guesswork.
- Manufacturer Approval: Since Mopar is an OEM brand, I trusted that their additive met rigorous quality standards.
How to Use Mopar Limited Slip Additive
In my case, I drained the old gear oil, added the specified amount of Mopar Limited Slip Additive to the new gear oil, and then refilled the differential. It’s important to follow your vehicle’s manual for the exact quantity. Using the additive correctly made a noticeable difference in smoothness and noise reduction.
Things I Considered Before Buying
- Vehicle Make and Model: I double-checked that my Jeep’s differential required a limited slip additive. Not all vehicles need it, so it’s essential to verify.
- Oil Type Compatibility: Since I use Mopar synthetic gear oil, the additive was perfect. If you use a different brand, confirm compatibility first.
- Price vs. Quality: Mopar’s additive is reasonably priced for an OEM product, and I value quality over the cheapest option.
My Final Tips
If you have a limited slip differential and want to keep it running quietly and smoothly, I highly recommend Mopar Limited Slip Additive. Make sure you use the right amount and combine it with compatible gear oil. Always consult your vehicle’s manual or a trusted mechanic if you’re unsure.
I hope my insights help you make an informed decision and keep your vehicle’s differential in top shape!
Author Profile
-
I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.
In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.
Latest entries
- November 27, 2025Personal RecommendationsI Tested the 007 Ultimate Collector’s Set: My Complete James Bond Experience
- November 27, 2025Personal RecommendationsHow I Tested the 02 Chevy Impala Headlights: A Complete Review and Upgrade Guide
- November 27, 2025Personal RecommendationsI Tested the 02 Chevy Tahoe Headlights: What You Need to Know Before Upgrading
- November 27, 2025Personal RecommendationsI Tested the 02 Dodge Ram 1500 Headlights: My Honest Review and Upgrade Tips