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If you’re serious about off-roading, the Yukon Grizzly Locker is the kind of gear you want in your rig. This isn’t just another locker; it’s built for those who need reliability and performance when the going gets tough. Whether you’re rock crawling, hitting those gnarly trails, or even doing some drag racing, this mechanical positive-locking differential has your back. It delivers 100% power to both wheels, which is a game-changer when you’re tackling rough terrain. The best part? It lets you disengage when you’re making tight turns, so you don’t have to worry about scrubbing your tires off.
What sets the Grizzly apart is its patented design. Those inner clutch teeth? They’ve got a larger radius at the base, which means they’re up to 350% stronger than the typical back-cut designs you find out there. This added strength really helps resist breakage from shock-loading or catastrophic axle failures. Trust me, when you’re out there pushing your vehicle to its limits, you want something that can take a beating.
Now, let’s break down some of the features:
- Designed to fit Dana Spicer 30 with 30 spline axles
- Works with gear ratios of 3.73 and up
- Patented internal design minimizes common locker failures
- Made with tough 8620 internals for extra durability
- Assembled right here in the USA
Here are the specs you’ll want to know:
- Axle Shaft Spline Quantity: 30
- Cover Bolt Quantity: 0
- Material: Steel
- Type: Locking
This locker fits a variety of classic and modern vehicles, so if you own any of the following, you’re in luck:
- American Motors Eagle (1980-1988)
- Ford Bronco (1966-1971)
- International Scout II (1971-1974)
- Jeep Cherokee (1984-2001)
- Jeep CJ5 (1971-1983)
- Jeep CJ6 (1966-1975)
- Jeep CJ7 (1976-1986)
- Jeep Comanche (1986-1992)
- Jeep Grand Cherokee (1993-1998)
- Jeep Grand Wagoneer (1984-1991 & 1993)
- Jeep Scrambler (1981-1986)
- Jeep Wagoneer (1971-1973)
- Jeep Wrangler (1987-1995 & 1997-2017)
So, if you’re ready to take your off-road adventures to the next level, the Yukon Grizzly Locker is a solid choice. It’s tough, it’s reliable, and it’s made for those who really want to push their vehicles to the limit.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1980-1988 American Motors Eagle |
Eagle | 1980-1988 |
|
1966-1971 Ford Bronco |
Bronco | 1966-1971 |
|
1971-1974 International Scout II |
Scout II | 1971-1974 |
|
1971-1983 Jeep CJ5 |
CJ5 | 1971-1983 |
|
1966-1975 Jeep CJ6 |
CJ6 | 1966-1975 |
|
1976-1986 Jeep CJ7 |
CJ7 | 1976-1986 |
|
1984-2001 Jeep Cherokee |
Cherokee | 1984-2001 |
|
1986-1992 Jeep Comanche |
Comanche | 1986-1992 |
|
1993-1998 Jeep Grand Cherokee |
Grand Cherokee | 1993-1998 |
|
1984-1991, 1993 Jeep Grand Wagoneer |
Grand Wagoneer | 1984-1991, 1993 |
|
1981-1986 Jeep Scrambler |
Scrambler | 1981-1986 |
|
1971-1973 Jeep Wagoneer |
Wagoneer | 1971-1973 |
|
1987-1995, 1997-2017 Jeep Wrangler |
Wrangler | 1987-1995, 1997-2017 |
Yukon's mission is to build quality parts that exceed your expectations. We achieve this through state-of-the-art product design and an in-house engineering team. Our parts are then produced by leaders in OEM manufacturing and endure rigorous testing.
Yukon Gear & Axle ("Yukon") warrants the original retail purchaser that all Yukon products will be free from defects in materials and workmanship for the periods shown herein. Yukon makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the Yukon product has been installed and maintained in accordance with Yukon instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At Yukon's discretion, this warranty may be voided if installation of Yukon product(s) occurs on vehicles with tires that exceed Yukon Maximum Recommended Tire Size.
Upon notification of a warranty claim, Yukon shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product, replace it, or refund the purchase price.
This warranty does not cover, and Yukon shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the Yukon product)*. In addition, this warranty does not cover, and Yukon shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling Yukon Gear & Axle products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-Yukon component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
YUKON WARRANTY BY PRODUCT
Spool
Upon notification of a warranty claim, Yukon shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product, replace it, or refund the purchase price.
This warranty does not cover, and Yukon shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the Yukon product)*. In addition, this warranty does not cover, and Yukon shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling Yukon Gear & Axle products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-Yukon component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
YUKON WARRANTY BY PRODUCT
Spool
- Length:As long as original purchaser owns vehicle in which Spool is originally installed
- Notes:It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear.
- Length:As long as original purchaser owns vehicle in which Super Joint is originally installed
- Notes:Warranty coverage is for breakage of cross section or caps only. Failure by wear or galling is not covered.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturers defects.
- Length:Ten (10) Years
- Notes:Covers parts for ten years against manufacturing defects.
- Length:Ten (10) Years
- Notes:Covers parts for ten years against manufacturing defects.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
- Length:One (1) Year
- Notes:Warrantied against manufacturing defects for one (1) year.
- Length:One (1) Year
- Notes:Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter.
- Length:Six (6) Years
- Notes:All Zip Lockers come with a six (6) year warranty against manufacturer defect, including any collaterally damaged parts and associated labor, up to $2,000*, for the first two (2) years. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.
- Length:One (1) Year
- Notes:Covers the replacement of the unit and any collaterally damaged parts and associated labor, up to $2,000. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:Includes BK, MK, PK, and YK. Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations
- Length:One (1) Year
- Notes:Warrantied against manufacturing defects for one (1) year. Longer warranty is available through purchase of a Y.E.S. plan.
Installation Instructions
Click to view the Installation Instructions here
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