The 11 Best Slip Differential Locks (2022 reviews)
It is important to have the best slip differential lock.
Let’s take you step by step, type by type, and find the best slip differential lock for you.
Also check our buying guide on Best Differential Kits, which will help you understand market quickly.
Our review process:
Our Top Picks:
Best Overall: Buy: Yukon Gear Axle Slip Differential Lock READ REVIEWBest For Reliable Traction: Buy: Usa Standard Gear Slip Differential Lock READ REVIEWBest For Rear Differential: Buy: Yukon Gear Slip Differential Lock READ REVIEWBest With Durable Construction: Buy: Dorman Slip Differential Lock READ REVIEWBest For Simple Install: Buy: 4X4 Posi-Lok Slip Differential Lock READ REVIEWBest For Open Differential: Buy: Sylvan Slip Differential Lock READ REVIEWBest For Fair Price: Buy: Alloy Usa Slip Differential Lock READ REVIEWBest For Worth The Money: Buy: Spartan Locker Slip Differential Lock READ REVIEWBest For High Strength Steel: Buy: Yukon Slip Differential Lock READ REVIEWBest For Bottom Line: Buy: Powertrax Slip Differential Lock READ REVIEWBest For Customer Service: Buy: Qiilu Slip Differential Lock READ REVIEWBest Overall: Yukon Gear Axle Slip Differential Lock
Buy on Amazon We are personally inclined towards the Yukon Gear Axle Slip Differential Lock, It is not so pricy, but it overachieves its purpose and is outstanding in important aspects. The yukon gear axle slip differential lock is compatible with dozens of vehicles and differentials. Yukon gear & axle manufactures a full line of top quality parts and oils to complete any job, including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. In addition, it is great for synthetic oils and it is compatible with most mineral.s. Most importantly, the yukon gear axle slip differential lock is easy to use and it reduces noise.Almost all customers quickly discovered that the lock would smell for a week inside with a drop spilled and cleaned with brake clean. Further, they strongly agree that the lock is used for a posi trac. And, they say that the lock has a factory. You probably don’t need it. In conclusion, the tone of buyers is very positive and we believe that the lock suits the purpose.Customers say that getting a posi limited slips in differential, along with slip is useful.
Top Customer Quotes:
- This does the job and it works great.
- For all your different small parts needs, look no further than the yukon.
- This is compatible with all gear oils, including the redline shock proof gear oil.
- To make 3 quarts and a gasket/seal kit.
Best For Reliable Traction: Usa Standard Gear Slip Differential Lock
Buy on Amazon If you often find yourself confused about convenient and suitable slip, use the standard gear slip differential lock as your end point. The USA standard gear slip differential lock is perfect for great quality and it can wait for a great deal. The spartan locker is manufactured using standard gear, an aftermarket manufacturer delivering the most reliable differential parts for the lifestyle you lead. The spartan locker 's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!this automatic locker replaces the stock side and pinion gears while utilizing the factory open differential case. The slip improves ease of installation. Most importantly, the USA standard gear slip differential lock provides locked power to both drive wheels, providing greater traction.Almost all buyers quickly discovered that the lock offers the 30 spline dana 30 option, then yes. In addition, they strongly agree that the slip looks like it's for a Dana 35. Also, a few say that the lock will pop considerably on pavement in your rear diff.Top Customer Quotes:
- This is a 35 spline dana 60 axle.
- This can be used in those applications use the 1.62" side gear version.
- This will fit, but only on your rear d44 axle.
- Warranty: backed by a five year warranty against manufacturing defects.
Best For Rear Differential: Yukon Gear Slip Differential Lock
Buy on Amazon Best part: Yukon Gear Slip Differential Lock costs comparatively low and it is available to ship in 24 hours. The yukon gear slip differential lock provides aggressive traction to both wheels while maintaining a smooth ride. The Manufacturer says: We test the metallurgy, fit, finish, construction and engineering specifications in one of our two in-house testing labs at our headquarters in Beautiful Everett, Washington. In addition, the slip is a clutch style limited slip differential posi. The slip fits ford 8.8" differentials with 31 axle splines, found in a variety of ford, mercury, Lincoln and Mazda vehicles. Above all, the yukon gear slip differential lock is designed for ultimate durability and it can sustain for a long life.Almost all customers opine that the slip does. You will need a set of carrier bearings and races to fit the larger bearing journal kit. Also, they strongly agree that the slip works well but noisy and also will not work in the 8.25" ifs. To sum up, most buyers call the slip suits best, and no one questions it.Customers discovered that getting a lincoln town car limited slips in differential, along with slip is useful.
Top Customer Quotes:
- This is designed to fit the standard cut 3.23 and numerically higher ratios.
- This is easy to install, change fluid at the suggested 500 mile mark.
- It is really noisy creaking and grinding on every tight turn.
- Traction: smooth yet aggressive, giving you the confidence and performance you need.
Best With Durable Construction: Dorman Slip Differential Lock
Buy on Amazon Not everyone likes to purchase slip for their regular usage, but the Dorman slip differential lock would be an anomoly. The Dorman slip differential lock is made with fast shipping, makes for a great buy and it would be perfect with durable construction. With thousands of convenient small parts available almost everywhere, you can quickly get the components you need. This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Lastly, the Dorman slipdifferential lock is great for direct replacement and it is inexpensive.Most buyers agree that the slip has some anti-un-tightening compound on the threads. In addition, they say that the slip fits with no issues and also fits, but only for the 8.8" rears. Further, a few strongly agree that the lock is a must have, the original bolt can be a pita to remove. In short, at the price, they believe that they got a steal of a deal with it.Top Customer Quotes:
- This comes pre-coated with thread locker.
- This is made from quality materials to ensure reliable performance and long service life.
- This works great and it worked perfectly.
- This is supposed to be a couple of dollars at the dealer's but not in stock.
Best For Simple Install: 4X4 Posi-Lok Slip Differential Lock
Buy on Amazon The 4X4 Posi-Lok Slip Differential Lock is capable of outshining several other locks featured in this list in overall features for the price point. The 4x4 posi-lok slip differentiallock fits perfectly and it is perfect for simple install. When the front axle is locked, you can disengage the passenger side in order to make turns without wheel hop. In addition, the slip works great and it is simple. The lock is great for fast shipping, is perfect for very fast shipping and it does the job. Further, the slip is easy to follow instructions. Above all, the 4x4 posi-lok slip differential lock performs great, is black and it works perfectly.Almost all customers found that the slip makes one for a chevy. Moreover, a few strongly agree that the slip is for a straight axle dodge 1500. Further, they strongly agree that this kit is made by posi - lok, and is the original. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.Top Customer Quotes:
- Fits multiple makes and models (contact seller with your vehicle for fitment compatibility information).
- This has a Dana front axle, yes.
- This is used to, but it’s easy to figure out.
- This fits a dana 60 1997 dodge 3500 diesel.
Best For Open Differential: Sylvan Slip Differential Lock
Buy on Amazon The Sylvan Slip Differential Lock is capable of outshining several other locks featured in this list in overall features for the price point. The sylvan slip differential lock is great for traction for days, holds up well and it allows for a great deal. When installed you will find a drastically increased traction level for climbing and 4-wheeling. The sylvan climb master 2.0 reinforced pro locker fits compatible with jeeps that have a dana 30 front axle with 27 spline. Finally, the sylvan slip differential lock is worth the money and it works perfectly.Most buyers quickly discovered that the lock is a great bang for the buck locker. And, a few strongly agree that the lock is in the beginning, so that's very nice. Moreover, a few say that this locker is for jeep brand vehicles of Wrangler, Cherokee, Grand Cherokee, and jeeps in general. Overall, buyers found this to be one of the best slips for daily purposes.Top Customer Quotes:
- The manufacturer says: We are confident you will reach the summit.
- This can go back in correctly.
- This will clunk, snap, or however one might describe it, but it works.
- Reinforced steel manufacturing; strength and endurance tested. Durable, reliable next - level performance locker!.
Best For Fair Price: Alloy Usa Slip Differential Lock
Buy on Amazon The alloy slip differential lock's material feels more premium than its price would suggest. The alloy set slipdifferential lock is black and it is simple. Make sure this fits by entering your model number. Also, it works perfectly and it is great with fast shipment. Lastly, the alloy USA slip differential lock is worth the money, works great, It is easy to use and has a disconnect design.Most customers quickly discovered that the slip would fit any dodge with a dana 44 or dana 60 front axel from 94 till 2001. Moreover, they strongly agree that the slip is the best remedy for the constantly failing vacuum assist auto 4wd shift of the 94 dodge ram. Moreover, a few say that the lock allows manual 4wd to lock into place. To sum up, buyers found this to be one of the best slips for daily purposes.Top Customer Quotes:
- This fits perfectly and has an outstanding design.
- This is easy to install at a fair price.
- This is easy to install and works really well.
- This is the correct kit if your truck has the dana44 or dana 60.
Best For Worth The Money: Spartan Locker Slip Differential Lock
Buy on Amazon Spartan Locker line of locks comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Spartan Locker Slip Differential Lock is maintenance free, is great for a great price, It has smooth engagement and has a positraction style. Increase the traction capability of your Dana 30 front diff with the spartan helical lsd from USA standard gear's Spartan locker brand. This helical gear design provides years of maintenance - free service. Most importantly, the spartan locker slip differentiallock is built tough and it allows for smooth traction.Most buyers opine that the slip is designed to be loaded as a front application, reversing the rotation will cause the internal load to be in the opposite direction. Also, a few say that the lock fits dana 30 with 3.73 and numerically higher ratios. Moreover, they say that the slip is over $100 cheaper than an eaton. In conclusion, the tone of buyers is very positive and we believe that the slip suits the purpose.Top Customer Quotes:
- Metallurgy: forged 8620 steel alloy case and internals for superior durability.
- This is on eaton's faq page.
- This is designed to fit the Dana 30 front axle in jeeps.
- Smooth traction: smooth engagement and linear traction.
Best For High Strength Steel: Yukon Slip Differential Lock
Buy on Amazon Next on the list, we've got yet another lock that manages to win our hearts. It's the Yukon Slip Differential Lock and it's widely considered as the lock that has the most suitable features. The yukon slip differential lock is made from high - strength 8620 steel. Using a patented internal design nearly eliminates common locker failures. These units are able to provide 100% power to both tires, while allowing for disengagement to navigate corners in the road and bends on the trail. The slip features 8620 internals for maximum strength. Moreover, it is crafted from exceptionally strong metals. Above all, the yukon slip differential lock is good for high performance, is great for a great price and it is perfect for great quality.Most customers opine that the slip works with a 3.57 & up ratio. And, they say that the lock has an 8.5/8.6 rear end, it will fit. Moreover, they say that this unit will work great as long as your rearend has a 10. In short, for almost all customers, it was what they were looking for.Customers discovered that getting a front differential locker, with this lock made their life much easier.
Top Customer Quotes:
- This patented design reduces common locker failures.
- This will require a high born set.
- This has a 10 bolt rear cover, not the 14 bolt cover, yes.
- This is a legit yukon locker though for a good price.
Best For Bottom Line: Powertrax Slip Differential Lock
Buy on Amazon The Powertrax line of locks comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Powertrax Slip Differential Lock is great for use where finesse is as important as brutal traction is. Best suited for extreme off-road to severe on-road use, powertrax lock right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The powertrax lock - right locker is the original locking differential that could be easily installed in existing case assemblies without any special tools or setup equipment. The slip has driven their car, suv or light truck up a slippery slope may have noticed that one wheel would begin to slip before the other. Moreover, it is designed for rugged competition and off-road traction needs, This is not for the timid. Finally, the powertrax slip differential lock is widely used in demanding off-road applications around the world requiring extreme traction output and high-strength.Almost all buyers opine that the slip fits an open carrier for the 8.8 and 28 spline axles. In addition, they also found that the lock would work. You would have to change your carrier to an open carrier to use the locker.x-diff team. Also, they strongly agree that this is a pretty good locker. it is easy to install. To sum up, the tone of buyers is very positive and we believe that the lock suits the purpose.Why We Like This:
- This is also important for outdoor enjoyment and recreation.
- Only ultra strength material is used, which is 67% stronger than titanium.
- Special gear and spring design reduce the backlash and therefore driveline windup.
- Using 3×2 spiral gear technology, the powertrax grip pro delivers progressive and variable traction.
Best For Customer Service: Qiilu Slip Differential Lock
Buy on Amazon Qiilu offers a variety of slips for personal choice and yet maintains quality in all the variants. The Qiilu Slip Differential Lock is transmitted to all driven wheels, to maximize traction and minimize wheel spin, particularly in slippery conditions. Make sure this fits by entering your model number. Also, this is designed to work in coordination with road car electronic stability and traction control programs. Lastly, the qiilu slip differential lock is suitable for civic del sol crx, for e30 e36 e46 m3, and for Acura integra 1994.Few customers bought posi limited slips in differential, along with the slip.
Why We Like This:
- Manufacturer says: We look forward to bringing changes to your products.
- This reduces tire wear, especially on front - wheel drive cars.
- Manufacturer says: founded in 2011, our business covers all parts of the world.