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The Yukon Gear & Axle YZLD30-4-27 Zip Locker is a high-performance, air-operated locking differential designed for Dana 30 axles with 27 splines. Engineered with durable alloy steel and a powder-coated finish, it delivers instant, selectable traction on-the-fly for both off-road and on-road driving. This locker combines precision engineering with ease of installation, making it the go-to upgrade for serious drivers seeking superior control and reliability.
| ASIN | B0078UBP36 |
| Additional Features | Lockable |
| Assembly Instructions Description | The Yukon Gear & Axle YZLD30-4-27 Zip Locker requires assembly. Follow these steps to install: 1. Ensure you have the necessary tools and components, including SK SSM35 carrier shims and new carrier bearings. 2. Remove the existing differential components carefully. 3. Install the new carrier bearings and shims as per the provided specifications. 4. Secure the Zip Locker using the appropriate bolt… |
| Back Material Type | Alloy Steel |
| Base Type | Legs |
| Best Sellers Rank | #710,201 in Automotive ( See Top 100 in Automotive ) #351 in Automotive Replacement Differential Assembly Kits |
| Brand | Yukon Gear & Axle |
| Brand Name | Yukon Gear & Axle |
| Color | No Color |
| Customer Reviews | 4.4 out of 5 stars 42 Reviews |
| Door Style | Slab |
| Finish Types | Powder Coated |
| Frame Material Type | Plastic |
| Global Trade Identification Number | 00883584340164 |
| Handle Material | [INFERRED: Forged material with 8620 internals] |
| Hardware Color | Black |
| Included Components | Yukon Gear & Axle YZLD30-4-27 Zip Locker for Dana 30 27-Spline |
| Installation Type | Freestanding |
| Item Depth | 11.00 inches |
| Item Type Name | Yukon Gear & Axle YZLD30-4-27 Zip Locker for Dana 30 27-Spline |
| Lock Type | air-operated |
| Manufacturer | Yukon Gear |
| Manufacturer Part Number | YZLD30-4-27 |
| Manufacturer Warranty Description | Warranty. |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | Yukon Gear & Axle YZLD30-4-27 Zip Locker for Dana 30 27-Spline |
| Model Number | YZLD30-4-27 |
| Mounting Type | Floor Mount |
| Number of Drawers | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Part Interchange Info | YZLD30427 |
| Product Care Instructions | Wipe with Dry Cloth |
| Recommended Uses For Product | Automotive |
| Room Type | Entryway |
| Set Name | YZLD30-4-27 |
| Shape | Round |
| Size | Dana 30 Differential - 27 Spline |
| Special Feature | Lockable |
| Storage Options | Lockable |
| Storage Volume | 5.2 liters |
| Style Name | Modern |
| Top Material Type | Powder Coated |
| UPC | 883584340164 |
| Unit Count | 1 Count |
P**L
It works
Instructions I got didn't give any instruction for electrical or rocker switch wiring. Fortunately, I also happened to have an ARB kit in my shop to compare to and ARB uses the same switch. Comparing the two kits, the ARB is a bit nicer in a couple details like having a 90 fitting for the diff and better instructions but the Yukon kit is fine and my locker works perfectly. I'm happy saving a couple hundred bucks with the Yukon so long as it lasts, which I can't say as I just installed it.
A**R
Great product
Works great so far. I haven't gotten the chance to really put this locker under some serious wheeling yet but it works for what I have done so far. DO NOT use the Yukon air compressor. They are junk. I will be getting an arb air compressor. The installation was difficult.
B**N
Absolutely perfect performing locker
I now own 2 of these. Takes some time to install...don't rush! Always locks/unlocks immediately on a flick of the switch. Never had an ARB but these are cheaper and perform flawlessly on the trails. One quick thing to note...the o-ring for the bulkhead fitting was very hard to find in the packaging...it actually was wedged in the connector area of the switch. It's an unusual o-ring size so when you 1st unpack the parts look for it right away! I did finally find it, after I searched high and low for an alternative. Yukon Gear always delivers quality!
S**R
Great locker option
Great value for a front selectable locker vs an ARB. Easily installed if you have the knowledge. Fit perfectly in the axle housing. I knocked off one star because depending on your gear set, you may have to purchase bushings to account for smaller diameter ring gear bolts. They are sold separately. For the price they should be included.
J**N
Item wasn't new? Open box return or something
The biggest problem is that this box was opened everything was open inside and re-paped I feel like there were some items missing I had to purchase a bulkhead fitting kit. This is something I didn't have to buy with my ARB but like I said it was already open so who knows what else was missing. Locker works great after buying a fitting I think this should have come with.
L**S
Fit my 2005 Jeep LJ Wrangler
I had a buddy install this for me whose done several and it all went together nicely from what he said. It locks the front axle in, I’ll update if needed. You’ll need to buy the bolt spacers if you have a TJ or LJ.
A**R
Best locker ever made.
Excellent quality, works flawlessly engagement is smooth and quiet, and instant.
T**Y
Climb anything!
Works as expected. Install was straight forward. I did notice it gets stuck for about 1 wheel revolution after disengaging. Suggestion, get some chromolly axles while you are at it.
Trustpilot
5 days ago
1 month ago