We consider a diff locker to be a worthy investment in the long run. In the following post, we will help you to select the best diff lockers.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Yukon Gear Diff Locker READ REVIEW

Best With Durable Construction: Buy: Dorman Diff Locker READ REVIEW

Best For Buck Locker: Buy: Sylvan Diff Locker READ REVIEW

Best For High Strength Steel: Buy: Yukon Gear & Axle Diff Locker READ REVIEW

Best For Very Reasonable Price: Buy: Yukon Diff Locker READ REVIEW

Best With Truetrac: Buy: Eaton Diff Locker READ REVIEW

Best For Easy Installation: Buy: Powertrax Diff Locker READ REVIEW

Best Overall: Yukon Gear Diff Locker

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The Yukon Gear Diff Locker's material feels more premium than its price would suggest. The yukon gear diff locker is perfect for great quality, It is good for country of origin and has a disconnect design. For whatever terrain you find yourself on, from street to snow, trails to mud. And, it has reverse rotation and it can for customer service.

Most importantly, the yukon gear diff locker is designed for good fit, is good for low quality and it comes in with direct fit.

Most customers opine that the locker is best for on the road with traction applied to the wheel with the least amount of traction. Further, a few strongly agree that the locker fits 10 bolt ring....28 spline...you need to know what you have in order to get the correct one. Also, they also found that this is a 30 spline limited slip and will fit the 30 spline axle applications, not the 28. In conclusion, at the price, they believe that they got a steal of a deal with it.

• This will fit the rear 8.6" 10 bolt rear axle in the 07 avalanche.
• This is good for the front - wheel drive models.
• This comes with posi traction rears from the factory.
• All units are backed by extensive product testing and state-of-the-art software design.

Best With Durable Construction: Dorman Diff Locker

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate locker. The Dorman diff locker is exactly that - it's a simple locker that hits all the right notes. The Dorman Diff Locker is a perfect fit and it is built 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.

The locker would be perfect with fast shipping, makes for a great buy and it is inexpensive. Also, it is made of quality materials, it is engineered for reliable performance. Lastly, the dorman diff locker works great, works well for direct replacement and it worked perfectly.

Almost all buyers opine that the locker fits with no issues and also fits, but only for the 8.8" rears. Moreover, they say that the locker is a must have, the original bolt can be a pita to remove. Further, a few strongly agree that this differential shaft lock bolt is used in many of the intergral differentials ( ford 8.8, gm 10 bolt, 12 bolt, etc ) and is subject to a lot of back / forth stress due to clearances in the differential. Overall, the tone of buyers is very positive and we believe that the locker suits the purpose.

• This is supposed to be a couple of dollars at the dealer's but not in stock.
• This is the perfect 2007 FORD Mustang v6.
• This has some anti-un-tightening compound on threads.
• This is a bolt. What else is there to say.

Best For Buck Locker: Sylvan Diff Locker

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate locker. The Sylvan diff locker is exactly that - it's a simple locker that hits all the right notes. The Sylvan Diff Locker works well, holds up well and it is simple. Make sure this fits by entering your model number. The sylvan climb master 2.0 reinforced pro locker fits compatible with jeeps that have a dana 30 front axle with 27 spline.

The locker is compatible with jeep brand vehicles of Wrangler, Cherokee, Grand Cherokee, and compatible with jeeps in general. Most importantly, the Sylvan diff locker is worth the money, is good for traction for days, it provides great value and has a disconnect design.

Almost all buyers agree that the locker is a great bang for the buck locker. Also, a few also found that the locker could go back in correctly. Also, they strongly agree that the locker design is almost identical, and it does a much better job of explaining subtle differences, like which direction to install the supplied pins. To sum up, the tone of buyers is very positive and we believe that the locker suits the purpose.

• This is in the beginning, so that's very nice.
• The manufacturer says: We are confident you will reach the summit.
• This comes with a full 2 year warranty and it allows for a great deal.
• When installed you will find a drastically increased traction level for climbing and 4-wheeling.

Best For High Strength Steel: Yukon Gear & Axle Diff Locker

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The Yukon Gear & Axle Diff Locker's superior materials make sure that it ages well with use. The yukon gear & axle diff locker is crafted from exceptionally strong metals. The manufacturer says: Our products are made of high strength components and subject to rigorous testing and quality control by our engineering team in the USA. The yukon grizzly locker is the ultimate in mechanical locking differentials for street, off - road, and drag racing.

The locker is great with fast shipping and it works great. Also, the locker is ideal for high performance and it has a click in turns. Above all, the yukon gear & axle difflocker is made from high - strength 8620 steel.

Almost all buyers found that the locker allows the outside wheel to ratchet. Further, they also found that the locker will not change the backlash between the ring and pinion. Moreover, a few say that this locker is made with a full floating axle with a 10.5 inch ring. A non floating axle is a 9.5 inch ring. This will not suit. Overall, many customers have used the yukon gear & axle diff locker for more than a few months without any complaints, and it shows no sign of giving up.

• This fits the 14 bolt gm 10.5 corp. rear diff.
• This will work in any open differentials.
• Patented internal design reduces common locker failures.
• This works with high - strength steel and it is simple.

Best For Very Reasonable Price: Yukon Diff Locker

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We would, of course, be remiss if we didn't mention Yukon Diff Locker for daily purpose. The yukon diff locker is best with a reasonable price and it comes with great parts. Make sure this fits by entering your model number. In addition, it is designed for a great price and it is made for a very reasonable price. Most importantly, the yukon diff locker fits perfectly, works great and it can qualify for free shipping.

Most buyers agree that the locker has a 8.5 ten bolt rear end it. Further, they say that the locker will work depending depending on many splines your axles are. And, a few also found that the locker includes a brand new yukon dura-grip limited-slip posi unit (clutch) which is made and assembled in the USA.

• This comes with a 1-year factory warranty as well.
• These units are very similar, if not identical to an eaton posi unit.
• This kit would work great on a 1993 chevy k1500 with a 3.42 ratio.
• This is used for cars and 30 spline for trucks.

Best With Truetrac: Eaton Diff Locker

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The Eaton Diff Locker's superior materials make sure that it ages well with use. The eaton difflocker is effective, is maintenance - free and it is inexpensive. Make sure this fits by entering your model number. The Detroit truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an eaton brand. Finally, the eaton diff locker is made with great service and it is black.

Most buyers agree that the locker will give you the best advice. And, a few strongly agree that the locker is not noticeable when you want to turn. And, a few strongly agree that the locker is great in jeep jk.

• This will fit in a stock dana 30 housing.
• Differential type: limited slip (lsd); gear spline tooth count: 27 ea.
• This will take ~100 ftlbs to make them turn in different directions.
• This is a full - blown career replacement.

Best For Easy Installation: Powertrax Diff Locker

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The Powertrax Diff Locker is capable of outshining several other lockers featured in this list in overall features for the price point. The powertrax diff locker is the leading manufacturer of traction adding differentials for the light truck, sport utility and performance street rod market. The manufacturer says: This is our strongest locking differential, offering the ultimate in competition and off-road capabilities. The lock - right eliminates wheel spin - up and therefore its associated driveline trauma is negated, the strength and integrity of its surrounding original case and other driveline components are, in effect, substantially increased.

The locker is designed for rugged competition and off-road traction needs, This is not for the timid. Moreover, this is great for use where finesse is as important as brutal traction is. Finally, the powertrax diff locker is widely used in demanding off-road applications around the world requiring extreme traction output and high-strength.

Almost all buyers found that the locker fits an open carrier for the 8.8 and 28 spline axles. And, they say that the locker will not, You would have to change your carrier to an open carrier to use the locker.x-diff team. Further, they say that this is a pretty good locker, it is easy to install.

• 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.
• This is committed to quality, continual improvement and customer satisfaction.