See more parts for Chevrolet Blazer
Select the year of your Chevrolet Blazer:
Product thumb
Yukon Gear & Axle Dana 44 Grizzly Locker Replacement YGLD44-4-30 for Jeep Wrangler 2007-2018
$966.89
Free Shipping

Yukon Gear & Axle YGLD44-4-30 Grizzly Locker

If you're looking to take your off-road adventures to the next level, the Yukon Gear & Axle YGLD44-4-30 Grizzly Locker is a robust solution that won't let you down. This mechanical positive-locking differential is designed specifically for serious enthusiasts who demand reliability and performance in challenging terrains like rock crawling and trail running.

Features:

  • Compatible with Dana Spicer 44 with 30 spline axles
  • Optimal for gear ratios of 3.92 and up
  • Innovative internal design minimizes common locker failures
  • Constructed with durable 8620 internals for enhanced strength
  • Assembled proudly in the USA

Specifications:

  • Axle Shaft Spline Quantity: 30
  • Cover Bolt Quantity: 10
  • Material: High-quality Steel
  • Type: Locking Differential

Why Choose the Grizzly Locker?

The YGLD44-4-30 Grizzly Locker is built to provide 100% power to both tires, ensuring maximum traction when you need it most. Its patented design features a unique tooth profile that offers up to 350% greater strength compared to traditional back-cut designs. This means you can tackle tough trails without worrying about breakage from shock-loading or catastrophic axle failures.

Customer Feedback:

Many users have praised the Grizzly Locker for its performance and durability. One customer noted, "I installed this locker in my Jeep and it completely transformed my off-road experience. The traction is insane!" Another user mentioned, "It was easy to install and has held up great through some serious rock crawling." These testimonials reflect the confidence that drivers have in Yukon Gear & Axle's commitment to quality engineering.

Product Fitment:

While the specific fitment for the YGLD44-4-30 isn't detailed, it is essential to ensure compatibility with your vehicle's specifications. The Grizzly Locker is a trusted choice for a variety of makes and models, but always double-check your vehicle's requirements before purchasing.

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1969-1974
Chevrolet Blazer
1960-1980
Chevrolet C/K 10
1962-1980
Chevrolet C/K 20
1968-1974, 1977-1980
Chevrolet C/K 30
1984-1985, 1992-1994
Chevrolet Camaro
1970-1972
Chevrolet G10 Van
1975-1980
Chevrolet K5 Blazer
1960-1980
Chevrolet Suburban
1994-2001
Dodge Ram 1500
1994-2002
Dodge Ram 2500
1974-1993
Dodge Ramcharger
1975-1977, 1984-1989
Dodge W100
1968-1974
Dodge W100 Pickup
1964-1967
Dodge W100 Series
1977-1993
Dodge W150
1975-1980
Dodge W200
1968-1974
Dodge W200 Pickup
1964-1967
Dodge W200 Series
1981-1993
Dodge W250
1971-1996
Ford Bronco
1975
Ford E-100
1953-1979
Ford F-100
1975-1996
Ford F-150
1959-1990
Ford F-250
1979
Ford F-350
1966-1978
GMC C/K 15
1979-1980
GMC C/K 1500
1967-1978
GMC C/K 25
1979-1980
GMC C/K 2500
1971-1980
International Scout II
1993-1997
Isuzu Rodeo
1960-1983
Jeep CJ5
1966-1975
Jeep CJ6
1986
Jeep CJ7
1986-1993
Jeep Cherokee
1986-1992
Jeep Comanche
1984-1991, 1993
Jeep Grand Wagoneer
1974-1988
Jeep J10
1981-1986
Jeep Scrambler
1971-1990
Jeep Wagoneer
1997-2006
Jeep Wrangler
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
  • 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.
Super Joint
  • 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.
YP - Series Products (other than Spool and Super Joint)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturers defects.
Front Axle (1541H)
  • Length:Ten (10) Years
  • Notes:Covers parts for ten years against manufacturing defects.
Rear Axle (1541H)
  • Length:Ten (10) Years
  • Notes:Covers parts for ten years against manufacturing defects.
Rear Axle 4340 (YA W)
  • 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.
Front Axle (Series YA W)
  • 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.
Ring & Pinion Gear Set
  • Length:One (1) Year
  • Notes:Warrantied against manufacturing defects for one (1) year.
Positraction Differential
  • 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.
Zip Locker (YZL)
  • 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.
Grizzly Locker (YGL)
  • 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.
Yokes
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Carriers (YC)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Tools (YT)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Install Kits
  • Length:One (1) Year
  • Notes:Includes BK, MK, PK, and YK. Covers parts for one year against manufacturing defects.
Spider Gear Kits (YPK)
  • Length:One (1) Year
  • Notes:One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.
YHC Drive Flanges
  • 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.
Yukon Hardcore Locking Hubs
  • 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
Driveshafts
  • 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

Check out these other great products