It is important to have the best rear diff locker. We are here to help you pick the best one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Usa Standard Gear Rear Diff Locker READ REVIEW

Best For Rear Differential: Buy: Yukon Gear Rear Diff Locker READ REVIEW

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

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

Best For Worth The Money: Buy: Spartan Locker Rear Diff Locker READ REVIEW

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

Best With Truetrac: Buy: Eaton Rear Diff Locker READ REVIEW

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

Best Overall: Usa Standard Gear Rear Diff Locker

Buy on Amazon

If you want nothing but the best long-standing locker, then USA standard gear rear diff locker is the one you should definitely consider, as it manages to bring a lot to the table. The USA standard gear rear diff locker is designed for high - strength steel and it allows for precision cut teeth. From general automotive repair to off-road trail performance, USA standard gear products are quality built, providing the right part at a great value. 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.

Above all, the USA standard gear rear diff locker is very easy and it allows for a great deal.

Most customers quickly discovered that the locker has a search engine called diff wizzard. Moreover, a few strongly agree that the locker offers the 30 spline dana 30 option then yes. In addition, a few also found that the locker fits the amc model 35 rear axle with 15" side gears used in the 92.

• This improves ease of installation.
• There is one for that diff, yes.
• This unit will not work with either your front or rearend.
• Quality: heat treated and precision cut teeth ensure long life and performance.

Best For Rear Differential: Yukon Gear Rear Diff Locker

Buy on Amazon

If you often find yourself scrambling for a convenient and suitable locker, Yukon Gear Rear Diff Locker is your end point. The yukon gear rear diff locker is rock solid and it is for standard rotation. 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. Further, the locker is designed for ultimate durability and it is perfect for great quality.

The locker is made worth the price, has cover bolts, it comes with a direct fit and has a positraction style. Above all, the yukon gear rear diff locker is top quality, is good for long life and it is good for low quality.

Most customers agree that the locker comes with new shims and also fits 8.5 and 8.6 rear ends. Also, a few also found that the locker is perfectly in 1996 ford bronco. And, they say that the locker is series 3 carrier for 273 & up.

• This will work beautifully in your chevy if you have a 10 bolt cover.
• This fits the 10.25 rear and is abs compatible.
• This is ready for you to bolt the ring gear too and install.
• This is a street rig, it should be fine.

Best For Buck Locker: Sylvan Rear Diff Locker

Buy on Amazon

The Sylvan Rear Diff Locker's material feels more premium than its price would suggest. The sylvan rear diff locker works as intended, it allows for a great deal and has a disconnect design. 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 great for peace of mind and it held up well. Above all, the sylvan rear diff locker is simple, works great and it works perfectly.

Most buyers quickly discovered that the locker is, again, for your front dana 30, which will accept this type of locker without problem. Moreover, they say 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. Moreover, they also found that the locker was in the beginning, so that's very nice.

• This is great for traction for days and it comes with a full 2 year warranty.
• The manufacturer says: We are confident you will reach the summit.
• This fits jeeps that have a dana 30 front axle with 27 spline.
• When installed you will find a drastically increased traction level for climbing and 4-wheeling.

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

Buy on Amazon

If you often find yourself scrambling for a convenient and suitable locker, Yukon Gear & Axle Rear Diff Locker should be your first option for buying. The yukon gear & axle reardiff locker is crafted from exceptionally strong metals. 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 locker would be perfect for fast shipping and it is good for high performance. Most importantly, the yukon gear & axle rear difflocker is best for high - strength steel and it has a click in turns.

Almost all buyers found that the locker will not change the backlash between the ring and pinion. In addition, a few say that the locker fits the 14 bolt gm 10.5 corp. rear diff. Also, a few strongly agree 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.

• Patented internal design reduces common locker failures.
• This allows the outside wheel to ratchet.
• This will work in any open differentials.
• This is great in a long bed extended cab.

Best For Worth The Money: Spartan Locker Rear Diff Locker

Buy on Amazon

The Spartan Locker Rear Diff Locker is capable of outshining several other lockers featured in this list in overall features for the price point. The spartan locker rear diff locker is built tough, It is simple and has a positraction style. Whether you’re facing mud, loose gravel, or steep inclines on the trail or slippery snow or rain on the road, the spartan helical lsd will ensure you have unrivalled traction and supreme confidence in your vehicle. The spartan helical lsd is a fully assembled unit featuring a forged 8620 chromoly case and stout 8620 chromoly alloy internals for superior durability.

The locker is practical and it works great. In addition, this does the job, is made worth the money and it is maintenance-free. Above all, the spartan locker rear diff locker is designed for a great price and it allows for smooth traction.

Most customers found that the locker fits dana 30 with 3.73 and numerically higher ratios. And, a few strongly agree that the locker has 3.73 or numerically higher gears, yes. Moreover, they say that the locker is on eaton's faq page. To sum up, the tone of buyers is very positive and we believe that the locker suits the purpose.

• This helical gear design provides years of maintenance - free service.
• Maintenance free: maintenance free, no worry about performance.
• This provides smoother engagement, quieter operation, and requires no maintenance.
• This locker does not require a friction modifier.

Best For Very Reasonable Price: Yukon Rear Diff Locker

Buy on Amazon

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 Yukon Rear Diff Locker is exactly that - it's a simple locker that hits all the right notes. The yukon reardiff locker fits perfectly and it is built with great parts. Make sure this fits by entering your model number. In addition, the locker works great and it can qualify for free shipping.

Lastly, the yukon rear difflocker is designed for a great price and it is made for a very reasonable price.

Most buyers opine that the locker is used for cars and 30 spline for trucks. Moreover, a few strongly agree that the locker includes all bearings, and seals to install the posi unit. And, a few say that these units are very similar, if not identical to an eaton posi unit. In short, many customers have used the yukon rear diff locker for more than a few months without any issues, and it shows no sign of giving up.

• This comes with new axle bearings, wheel seals, and wheel studs.
• This comes with a 1-year factory warranty as well.
• Brand new chevy 8.5" yukon dura-grip (clutch) posi unit (30 spline).
• This kit will work great for the 1994 chevy c1500 2wd.

Best With Truetrac: Eaton Rear Diff Locker

Buy on Amazon

Eaton offers a variety of lockers for personal choice and yet maintains quality in all the variants. The Eaton Rear Diff Locker is black and it is effective. 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. Above all, the eaton rear diff locker works great and it is inexpensive.

Most customers quickly discovered that the locker is a great option for a front axle like a dana 30 where a true locker may add too much stress to the stock parts. Further, they also found that the locker would fit in a stock Dana 30 housing. Moreover, they say that this kit does not provide any carrier bearings, nor carrier shims, nor pinion bearings, nor pinion shims, nor crush sleeve.

• This is not noticeable when you want to turn.
• This is great in jeep jk.
• Catalog notes: applies to non-disconnect only.
• This will take ~100 ftlbs to make them turn in different directions.

Best For Easy Installation: Powertrax Rear Diff Locker

Buy on Amazon

Powertrax has been making great lockers for years, thanks to a combination of clever design and appropriate materials. The Powertrax Rear Diff Locker is also important for outdoor enjoyment and recreation. Manufacturer says: You asked for it and we made it, an all-new complete case, s-spring preloaded limited-slip differential. 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.

A person who has driven their car, suv or light truck up a slippery slope may have noticed that one wheel would begun to slip before the other. Most importantly, the powertrax rear diff locker is great for use where finesse is as important as brutal traction is.

Almost all customers found that the locker has the dana 44 and it won't work in that. In addition, a few also found that the locker works with Dana 30 regardless of the ratio. And, a few strongly agree that the locker will fit, Diff lockers from powertrax lock-right are currently available in many configurations to suit a wide range of racing, off-road and 4x4 vehicles from around the world. Therefore, most customers find the locker is functionally comfortable and no one questions it.

• This dana 30 locker will lock the axles together similar to a school.
• Using 3×2 spiral gear technology, the powertrax grip pro delivers progressive and variable traction.
• This will fit the Dana 30 front end only in your TJ application.
• This is great for the driving side and it is made for the bottom line.