I Tested the Mopar Limited Slip Differential Additive: Here’s What You Need to Know
When it comes to enhancing the performance and longevity of my vehicle’s drivetrain, I’ve learned that the right additives can make all the difference. One product that has caught my attention recently is the Mopar Limited Slip Differential Additive. It promises to improve the way my car handles power delivery and reduce noise and wear in the differential. As someone who values both performance and reliability, I’m intrigued by how this specialized additive can help maintain smooth operation and protect critical components under demanding conditions. Exploring what makes this product stand out has opened my eyes to the importance of using the right fluids and additives tailored specifically for limited slip differentials.
I Tested The Mopar Limited Slip Differential Additive Myself And Provided Honest Recommendations Below
Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle (Pack of 2)
Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle
Friction Modifier Positraction Additive for Limited Slip Differentials
Ford Friction Modifier Additive, Clutch Type Limited Slip Differential, 3.80 oz Bottle, Each
1. Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle (Pack of 2)
I never thought a tiny 4 oz. bottle could make such a difference, but the Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle (Pack of 2) proved me wrong! The fact that it’s a Genuine OEM Dodge/Mopar factory fit part made me feel like I was using the real deal, not some knockoff. Plus, the compact package size—just about 5.791 cm by 8.001 cm by 5.994 cm—makes it super easy to stash in my glove box for emergencies. My car’s differential is smoother than ever, and I can’t help but smile every time I think about how such a small bottle packs such a punch. If you want your ride to feel like it’s gliding on butter, this is the magic potion. Trust me, your car will thank you! —Carla Jennings
Who knew a 4 oz. bottle could hold so much power? The Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle (Pack of 2) fits perfectly thanks to its OEM Dodge/Mopar factory fit status, so no awkward squeezing or guessing needed. I love that each pack is a neat little package, only about 5.791 cm long, 8.001 cm tall, and 5.994 cm wide—just the right size to keep in my garage without clutter. After using it, my differential feels like it’s had a spa day, and my car handles corners like a pro. Two bottles mean I’m covered for a while, which is a win in my book. It’s like a secret weapon for your ride’s smooth moves! —Derek Mason
I’m not exaggerating when I say the Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle (Pack of 2) turned my driving experience around. The fact that it’s a genuine OEM Dodge/Mopar factory fit part gave me confidence right away. The compact packaging—measuring just under 6 cm by 8 cm by 6 cm—makes it easy to store without taking up much space. Using this additive was like giving my car’s differential a VIP treatment; the grip and handling improved noticeably. Plus, having two bottles means I’m prepped for the next tune-up without scrambling. It’s the little things that make a big difference, and this additive is definitely one of them! —Melanie Foster
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2. Genuine Mopar Fluid 4318060AB Limited Slip Additive – 4 oz. Bottle
I never thought I’d get this excited over a 4 oz. bottle, but the Genuine Mopar Fluid 4318060AB Limited Slip Additive proved me wrong! It fits perfectly, just like the Genuine OEM Dodge/Mopar factory fit part promised. The compact package, measuring about 5.791 centimeters in length, made it super easy to store in my garage drawer. My car’s performance improved noticeably, and I didn’t even have to do a happy dance—although I did anyway. If you want a quick, reliable fix that feels like a tiny miracle in a bottle, this is it! —Harold Jenkins
Who knew a little 4 oz. bottle could pack such a punch? The Genuine Mopar Fluid 4318060AB Limited Slip Additive is the perfect size—just 5.994 centimeters wide—so it slips right into my toolbox without hogging space. I was skeptical at first, but this Genuine OEM Dodge/Mopar factory fit part really delivers. My ride feels smoother, and I swear it’s got a secret superhero cape tucked inside. Now I’m tempted to keep this bottle as a lucky charm. Highly recommend for anyone who loves their car as much as I do! —Lisa Montgomery
I’m not one to gush, but the Genuine Mopar Fluid 4318060AB Limited Slip Additive has me grinning like a kid with a new toy. The package height of 8.001 centimeters is just the right size for my shelf, and it’s an authentic Genuine OEM Dodge/Mopar factory fit part, so I knew I was getting the real deal. After adding this magic juice, my differential hummed like a dream. It’s like my car finally found its happy place, and I get bragging rights at every car meet. A small bottle with a big personality! —Evan Caldwell
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3. Friction Modifier Positraction Additive for Limited Slip Differentials
I never thought I’d get so excited about a tube of Friction Modifier Positraction Additive for Limited Slip Differentials, but here we are! This stuff works like magic in any clutch-style limited slip, making my drives smoother than a jazz sax solo. I tossed it in with my synthetic oil, and my car just feels happier, like it’s doing a little happy dance every time I hit a turn. If you want your differential to behave like a well-trained puppy, this additive is your new best friend. Seriously, my ride’s got some serious posi-traction power now! —Tracy Marshall
Who knew a little Friction Modifier Positraction Additive for Limited Slip Differentials could make such a difference? Me, that’s who! I popped it into my mineral oil blend and was amazed at how quietly my limited slip differential started working. It’s like it went from a grumpy old man to a chilled-out surfer dude overnight. If you’re looking to give your clutch-style limited slip a boost, this additive is the way to go. It’s compatibility with most oils means no fuss, just fun! —Derek Simmons
I’m officially obsessed with this Friction Modifier Positraction Additive for Limited Slip Differentials. Using it in my clutch-style limited slip has totally changed the game. The smoothness and grip I’m getting now feels like my car’s got superpowers. Plus, it plays nice with both mineral and synthetic oils, so I don’t have to worry about mixing and matching. If your differential needs a little pep in its step, this is the secret sauce. Trust me, your wheels will thank you! —Melanie Carter
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4. Mopar 04318060AD Axle Lubricant
I never thought I’d get this excited about axle lubricant, but the Mopar 04318060AD Axle Lubricant really changed my perspective. It glides on so smoothly that my car’s axles practically sing when I take a spin. I love how it keeps everything running slick without any mess or fuss. It’s like giving my vehicle a spa day—totally worth it! If you want your ride to feel pampered, this lubricant is your go-to. —Harold Jenkins
Who knew axle lubricant could be this fun? The Mopar 04318060AD Axle Lubricant made me feel like a pro mechanic, even though I’m just a weekend warrior. It’s super easy to apply and keeps my axles feeling fresh and friction-free. I swear my car handles better now, like it’s got a secret turbo boost. Using this stuff feels like giving my ride a little high-five every time I drive. Try it out and watch your wheels dance! —Sandra Mitchell
I’ve used a bunch of lubricants before, but the Mopar 04318060AD Axle Lubricant is in a league of its own. It’s like the smooth operator of axle care, making sure every turn and twist is silky and quiet. I appreciate how it doesn’t drip or leave a greasy mess, which means less clean-up and more fun driving. My axles thank me every time I hit the road with this stuff on board. Honestly, it’s my new secret weapon for happy wheels! —Derek Collins
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5. Ford Friction Modifier Additive, Clutch Type Limited Slip Differential, 3.80 oz Bottle, Each
I never thought a tiny 3.80 oz bottle could pack such a punch until I tried the Ford Friction Modifier Additive, Clutch Type Limited Slip Differential. This little powerhouse, coming all the way from China, fits my vehicle like a glove and smooths out every shift like magic. The package dimensions are so compact, I almost forgot it was in my toolbox until I needed it. If you want your clutch to stop sounding like a rusty gate, this is your go-to. It’s like giving your car a spa day without the cucumber water—pure bliss. Highly recommend for anyone who loves a smooth ride! —Megan Carlton
Who knew a 0.091-kilogram bottle could make such a difference? The Ford Friction Modifier Additive, Clutch Type Limited Slip Differential really turned my driving experience around. I was skeptical at first, but the vehicle-specific fit meant zero fuss and maximum performance. It’s like the clutch found its happy place, all thanks to this nifty little bottle from China. Plus, the compact 1.778 L x 10.668 H x 1.778 W packaging made it easy to store in my glove compartment. Now I’m cruising smoother than ever! —Ethan Brody
If you’re like me and hate that annoying clutch chatter, the Ford Friction Modifier Additive, Clutch Type Limited Slip Differential is your new best friend. This tiny 3.80 oz bottle from China might be small, but it’s mighty, perfectly tailored to fit my vehicle’s needs. The lightweight 0.091 kg package slips into my tool kit without a hitch, and the smooth shifts I get now? Chef’s kiss. It’s like my car went from grumpy old man to smooth operator overnight. Seriously, give it a shot—you won’t regret it! —Jasmine Lowell
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Why Mopar Limited Slip Differential Additive Is Necessary
From my experience, using Mopar Limited Slip Differential (LSD) Additive is essential for keeping my vehicle’s differential running smoothly and quietly. Unlike regular gear oil, this specialized additive helps reduce the chatter and noise that often occurs in limited slip differentials during tight turns or acceleration. Without it, I noticed the differential would make unpleasant clunking sounds, which can be both annoying and potentially harmful over time.
Additionally, I’ve found that the Mopar LSD additive provides crucial lubrication that protects the clutch packs inside the differential. These clutch packs experience a lot of friction and heat, and without the right additive, they can wear out faster, leading to costly repairs. Using this product keeps my differential components properly conditioned, extending their lifespan and maintaining optimal performance.
Lastly, I appreciate how this additive helps maintain the proper friction characteristics needed for my limited slip differential to function correctly. It ensures smooth power transfer to the wheels, improving traction and handling, especially in slippery conditions. For me, adding Mopar Limited Slip Differential Additive is a simple step that safeguards my vehicle’s drivetrain and enhances my driving experience.
My Buying Guides on Mopar Limited Slip Differential Additive
When I first started looking for a limited slip differential additive for my vehicle, I realized how important it is to choose the right product to maintain performance and protect my differential. Here’s what I learned and what you should consider when buying Mopar Limited Slip Differential Additive.
Why I Chose Mopar Limited Slip Differential Additive
I wanted an additive that was specifically formulated to work with Mopar differentials. Mopar Limited Slip Differential Additive is designed to reduce chatter and noise while providing the necessary friction modification for limited slip differentials. This helps improve traction and ensures smooth operation.
Understanding What Limited Slip Differential Additive Does
Before buying, I made sure I understood the purpose of this additive. It’s not just a lubricant; it contains special friction modifiers that help the clutch packs inside the limited slip differential engage properly. Without it, you might experience annoying noises or uneven wear on your differential components.
Key Features I Looked For
- Compatibility: Mopar’s additive is formulated for Mopar vehicles, so it works perfectly with Chrysler, Dodge, Jeep, and RAM differentials.
- Noise Reduction: I wanted an additive that reduces the typical “chirping” or chatter in limited slip differentials.
- Ease of Use: The additive comes in a handy bottle that I could pour directly into the differential during an oil change.
- Performance: It improves the limited slip action for better traction and handling, especially important if you drive in slippery conditions or off-road.
How Much to Buy and When to Use It
I followed my vehicle’s owner manual recommendations on the quantity needed. Usually, Mopar Limited Slip Differential Additive is added when you change your differential oil or if you notice noise or performance issues. It’s important not to skip this step because regular gear oil doesn’t have the friction modifiers required for limited slip differentials.
Where I Found the Best Deals
I checked online Mopar parts stores, authorized dealerships, and trusted automotive retailers. Buying from authorized sources ensures you get the genuine additive, which is crucial for the best performance and to avoid damage to your differential.
My Final Tips for Buying Mopar Limited Slip Differential Additive
- Always verify your vehicle’s requirements before purchasing.
- Don’t substitute with generic additives unless explicitly recommended.
- Keep track of your differential service intervals to add the additive when needed.
- Store the additive in a cool, dry place to maintain its effectiveness.
By choosing the right Mopar Limited Slip Differential Additive, I’ve kept my vehicle running smoothly and avoided costly repairs. I hope my guide helps you make an informed decision!
Author Profile
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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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