If you’re in the market for some serious axle upgrades, let me tell you about the USA Standard Gear axles. These things are built to last, and you can really feel the quality when you get your hands on them. I’ve been using their axles for a while now, and they’ve held up like champs, even when I’ve pushed my Jeep to its limits.
First off, these axles are precision-manufactured right here in the USA, which is a huge plus for anyone who values craftsmanship. The 27 spline design means they’re tough enough to handle the rough stuff without breaking a sweat. Plus, at 18.8 inches long, they fit perfectly in the Dana Spicer 30, specifically for Jeep JK models that aren't Rubicons. So, if you're rolling a 2007 to 2012 Jeep Wrangler, you’re in luck.
What really sets these axles apart is the 4340 Chromoly construction. This material is known for its strength and durability, making it a go-to for off-road enthusiasts. I’ve taken mine through mud, rocks, and everything in between, and they’ve never let me down. Oh, and don’t forget about the 5-766 U-Joint size—it's a standard that makes replacing parts a breeze down the line.
And just to give you peace of mind, USA Standard Gear backs these axles with a solid 5-year warranty against manufacturer defects. So, if you’re looking for something that can handle the rough and tumble of off-roading while still being reliable, these axles are definitely worth considering.
In short, if you want to keep your Jeep running strong and ready for whatever the trail throws at you, these axles are a solid investment.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Jeep Wrangler | 2007-2012 | Unlimited Rubicon |
| Jeep Wrangler | 2007-2011 | X |
| Jeep Wrangler | 2007-2012 | Rubicon |
| Jeep Wrangler | 2007-2012 | Sahara |
| Jeep Wrangler | 2007-2012 | Unlimited Sahara |
| Jeep Wrangler | 2007-2011 | Unlimited X |
| Jeep Wrangler | 2009 | X-S |
| Jeep Wrangler | 2010 | Islander |
| Jeep Wrangler | 2010, 2012 | Unlimited Mountain |
| Jeep Wrangler | 2010-2012 | Sport |
| Jeep Wrangler | 2010-2012 | Unlimited Sport |
| Jeep Wrangler | 2011 | Unlimited 70th Anniversary |
| Jeep Wrangler | 2011 | 70th Anniversary |
| Jeep Wrangler | 2012 | Unlimited |
| Jeep Wrangler | 2012 | Unlimited Altitude |

USA Standard Gear is a company that supplies high-quality parts for the automotive industry. They are a one-stop-shop for all your drivetrain component needs and have one of the industry's most comprehensive parts list and inventory. Today, they are considered the leading supplier of these parts in the United States.
Drivetrain ExpertsThe company offers various parts ranging from axles, differential gears, lockers, limited slips, drivelines, and more. It is built by a team of craftsmen who has years of experience when it comes to assembling and modifying their own builds. This passion is what drives the company to create some of the best products in the market.
Quality In Every ProductAll their parts are manufactured in their facility equipped with the latest and most sophisticated tools available today. They also have two high-tech testing labs to ensure that every product comes out with the company's quality.
The USA Standard Gear engineering team is constantly on edge trying to find ways to develop and further improve their products. That is why they can produce innovative parts that adapt to the changing trend in the automotive world.
Purchase USA Standard Gear at Vivid RacingIf you are in the market for reliable and top-notched drivetrain components, then USA Standard Gear is the brand for you. With years of experience developing their products, they have provided their customers with parts they could trust, whether it's a replacement component or an upgrade.
To know more about USA Standard Gear, visit Vivid Racing and check out their list of offerings that fit your specific requirement.
Upon notification of a warranty claim, USA Standard shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product or replace it.
This warranty does not cover, and USA Standard 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 USA Standard product). In addition, this warranty does not cover, and USA Standard shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling USA Standard Gear® 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-USA Standard component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
USA STANDARD GEAR® WARRANTY BY PRODUCT| USA Standard Product | Length of Warranty (From date of sale) | NOTES |
|---|---|---|
| Spool | As long as original purchaser owns vehicle in which Spool is originally installed | 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. |
| Rear Axle (1040/1050) | Five (5) Years | Covers parts for five years against manufacturing defects. |
| Front Axle (Series ZA W) | Five (5) Years | Five year warranty covering manufacturing defects and axle breakage. This warranty is not transferable to another party. “No Questions Asked†replacement for first warranty return, however, USA Standard Gear reserves the right to either replace axle or refund original purchase price after the first warranty claim. USA Standard Gear (through RANDYS Worldwide Automotive) makes final determination on warranty considerations. |
| Ring & Pinion Gear Set | One (1) Year | Warrantied against manufacturing defects for one (1) year. |
| Positraction Differential | One (1) Year | 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. |
| Spartan Locker | One (1) Year | Warrantied against manufacturers defects for one (1) year. |
| Install Kits | One (1) Year | Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects. |
| Spider Gear Kits (ZIK) | One (1) Year | One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials. |
| Replacement Driveshafts (ZDS) | One (1) Year | Warrantied against manufacturing defects for one (1) year. |