Are you looking for collection of best 4x4 differential locks ? You have landed on the right page.

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Best Overall: Buy: Usa Standard Gear 4X4 Differential Lock READ REVIEW

Best For High Quality: Buy: Yukon Gear 4X4 Differential Lock READ REVIEW

Best For Peace Of Mind: Buy: Yukon Gear Ring Gear READ REVIEW

Best For Simple Install: Buy: 4X4 Posi-Lok 4X4 Differential Lock READ REVIEW

Best For Premium Quality: Buy: Apdty 4X4 Differential Lock READ REVIEW

Best For Open Differential: Buy: Sylvan 4X4 Differential Lock READ REVIEW

Best For Fair Price: Buy: Alloy Usa 4X4 Differential Lock READ REVIEW

Best With Fast Shipping: Buy: Aisin 4X4 Differential Lock READ REVIEW

Best Disconnect Design: Buy: Alloy Usa 4X4 Differential Lock READ REVIEW

Best Overall: Usa Standard Gear 4X4 Differential Lock

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If you often find yourself scrambling for a good lock, USA standard gear 4x4 differential lock should be your first option for buying. The USA standard gear 4x4 differential lock is a mechanical locker that installs directly into standard differential cases, replacing existing spider gears. 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.

The lock is great for customer service and it is simple. Most importantly, the USA standard gear 4x4 differential lock is made from 9310 steel.

Almost all buyers quickly discovered that the lock fits the 8.8 irs plus fits a frying d30. Moreover, a few also found that the lock is for the 1986 and up open differential carrier which is 7/8. Also, a few say that the lock comes with an 8.8 rear though. In conclusion, at the price, they believe that they got a steal of a deal with it.

• This is an automatic locker, so no controls are needed.
• This will fit the front dana 30 in a TJ.
• The parts in the new gear oil you will be using while assembling it.
• This improves ease of installation.

Best For High Quality: Yukon Gear 4X4 Differential Lock

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Next on the list, we've got yet another lock that manages to win our hearts. It's the Yukon Gear 4X4 Differential Lock and it's widely considered as one of the most convenient locks you can buy. The yukon gear 4x4 differential lock is great for top quality, is important, it is good for country of origin and has a disconnect design. 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 lock is designed for good fit and it comes with a direct fit.

The lock has reverse rotation, is good for low quality and it is great for customer service. Finally, the yukon gear 4x4 differential lock is great for good quality, is for standard rotation and it is well worth the price.

Almost all customers quickly discovered that the lock would use a high bearing kit. In addition, a few strongly agree that the lock is a different position compared to the stock chevy/gmc versions, clutches only used vs the original g80 with centrifugal weight system + clutches. And, they say that this is a 30 spline limited slip and will fit the 30 spline axle applications, not the 28. To sum up, for most buyers, Yukon Gear product was what they were looking for.

• This comes with posi traction rears from the factory.
• This will not work unless you upgradeing to a larger 30 spline axle.
• This provides aggressive traction to both wheels while maintaining a smooth ride.
• All units are backed by extensive product testing and state-of-the-art software design.

Best For Peace Of Mind: Yukon Gear Ring Gear

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The Yukon Gear Ring Gear's material feels more premium than its price would suggest. The yukon gear ring gear is perfect for shops that have small parts on hand. Make sure this fits by entering your model number. This kit uses timken bearings and races along with high quality seals and small parts.

Above all, the yukon gear ring gear is made with high quality bearings and it has included components.

Almost all buyers found that the lock had a 10 bolt rear cover, yes. In addition, they also found that the lock was on the solid axle rear of the trucks. In addition, they strongly agree that this is the installed kit for the rear. It does not include the front or the ring and pinions.

• This works with limited slips to add to that are the exact bearings needed.
• This is a differential setup kit with new bearings and ring gear bolts.
• This will be correct bearings for the true trac.
• This will show you everything that fits your truck.

Best For Simple Install: 4X4 Posi-Lok 4X4 Differential Lock

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The 4X4 Posi-Lok 4X4 Differential Lock might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. The 4x4 posi-lok 4x4 differential lock makes for very fast shipping, is ideal for peace of mind and it is simple. Make sure this fits by entering your model number. Also, the lock performs great and it fits perfectly.

Above all, the 4x4 posi-lok 4x4 differential lock is black and it is light.

Almost all customers quickly discovered that the lock would not work on your 1500 need to have a dana 44. Furthermore, a few also found that the lock is great as a replacement for the stock vacuum setup. Moreover, a few say that the lock is easy to install expect 2-3 hours. In short, buyers found this to be one of the best locks for daily purposes.

• This fits a dana 60 1997 dodge 3500 diesel.
• This includes a new cast aluminum housing for the central axle disconnect system.
• Package dimensions of the product is 32.004 h x 6.096 l x 28.702 w(centimeters).
• This is designed for truck differentials.

Best For Premium Quality: Apdty 4X4 Differential Lock

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Apdty line of locks come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Apdty 4X4 Differential Lock is designed for easy fix and it worked perfectly. Make sure this fits by entering your model number. Moreover, the lock works well and it fits well.

The lock can be used with apdty 711711 wiring harness as upgraded in 1988. Most importantly, the apdty 4x4 differentiallock comes with great part, is used for commercial vehicles and it is designed for a great price.

Most buyers find that the lock is supposed to (when switched into 4wd), then you see if this part actuates or not, If it does not, then this part needs to be replaced. In addition, they strongly agree that the lock will fit all the way up to 2013 gm trucks, including Silverado Sierra. Obviously, this lock passed the test and had very satisfied buyers eager to share their experience.

• This is designed for the factory, then the warranty will cover you.
• This comes with direct fit and it is simple.
• Direct fit for models manufactured after January 1996.
• It is rock solid and it is light.

Best For Open Differential: Sylvan 4X4 Differential Lock

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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 lock. The Sylvan 4x4differential lock is exactly that - it's a simple lock that hits all the right notes. The Sylvan 4X4 Differential Lock works well and it held up well. 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.

Above all, the sylvan 4x4 differential lock comes with a full 2 year warranty and it works as intended.

Most buyers agree that the lock is, again, for your front dana 30, which will accept this type of locker without problem. And, they strongly agree that the lock is a great bang for the buck locker. Moreover, they strongly agree that this locker is for jeep brand vehicles of Wrangler, Cherokee, Grand Cherokee, and jeeps in general. Overall, at the price, they believe that they got a steal of a deal with it.

• This is great for good quality and has a disconnect design.
• This can go back in correctly.
• 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 Fair Price: Alloy Usa 4X4 Differential Lock

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The features department is where the alloy 4x4 differential lock truly manages to shine. The alloy uses a 4x4 differential lock, allows for perfect fit, is easy to use, it is simple and has a disconnect design. Make sure this fits by entering your model number. And, it is black and it is great for fast shipment. Finally, the alloy 4x4differential lock fits perfectly. It is very easy and has an outstanding design.

Almost all buyers agree that the lock allows manual 4wd to lock into place. Moreover, they also found that the lock is easy to install and works really well. Also, they also found that the unit works well, but there are a couple of installation issues which need to be addressed.

• This is the correct kit if your truck has the dana44 or dana 60.
• This is easy to install at a fair price.
• Good brand reputation.

Best With Fast Shipping: Aisin 4X4 Differential Lock

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The Aisin 4X4 Differential Lock's high-end materials make sure that it ages well with use. The aisin 4x4 differential lock comes with superior technology and know-how, Aisin ensures that every differentiallock actuator provides perfect form, fit, and function. The Differential lock actuator engages the locking function, changing the differential from open to locked configuration. In addition, the lock is a leader in the development and production of high-quality original equipment matched components and systems for the automotive industry.

Most importantly, the aisin 4x4 differential lock would be perfect with fast shipping and it is perfect for great quality.

In short, most customers say the lock is functionally comfortable and no one questions it.

• This is designed for efficient, consistent performance and manufactured using only the highest quality materials.
• The Differential lock actuator engages the locking function, changing the differential from open to locked configuration.
• unit mounts directly to the differential.

Best Disconnect Design: Alloy Usa 4X4 Differential Lock

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Best part: alloy USA 4x4 differential lock costs comparatively low and it is available to ship in 24 hours. Make sure this fits by entering your model number. . In short, with a 3.4 rating and more than 96 buyers, the alloy USA 4x4 differential lock stands as the best choice.

With no doubts, this lock passed the test and had very satisfied buyers eager to share their experience.

• New and hot releases.
• Good brand reputation.