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  See more parts for Chevrolet C/K 3500
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USA Standard Gear Spider Gear Set Replacement Dana 80 37 Spline ZIKD80-S-37 - ZIKD80-S-37

If you're looking to bring new life to your differential, the USA Standard spider gear kit is a solid choice. It’s not just about getting the job done; it’s about doing it right without breaking the bank. This kit is designed to fit the Dana Spicer 80 with a 37 spline open differential, which means it’s perfect for a range of heavy-duty applications.

Inside the box, you’ll find everything you need: two side gears, two pinion gears, a cross pin shaft, a roll pin, and the thrust washers for the spider gears. It’s like a little treasure chest for your axle, ready to help you tackle whatever the road—or trail—throws your way.

What I really appreciate about this kit is the OEM replacement quality at a price that won’t leave your wallet gasping for air. You can trust it to hold up under pressure, and with a one-year warranty against manufacturer defects, you’ve got some peace of mind to boot.

Now, if you’re wondering if this will fit your ride, here’s a quick rundown of compatible models: it’s good to go for various Chevys, including the C/K 3500 from 1990 to 2000, the Express from 1996 to 2007, and even the G30 and P30 models. Dodge fans aren’t left out either; it works with the B3500 from 1995 to 1998 and the Ram 2500 and 3500 from 1994 to 2002. Plus, Ford owners can use it for the E-350 from 1988 to 2010 and the F-350 from 1988 to 1997, along with a few other models.

In short, if you’re diving into some serious off-roading or just need to keep your workhorse running smoothly, this spider gear kit is worth considering. It’s straightforward, reliable, and gets the job done without all the frills.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
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Vehicle
1990-2000
 Chevrolet C/K 3500
1996-2007
 Chevrolet Express
1992-1995
 Chevrolet G30
1997-1999
 Chevrolet P30
1995-1998
 Dodge B3500
1994-2002
 Dodge Ram 2500
1994-2002
 Dodge Ram 3500
1988-2010
 Ford E-350
1988-1997, 1999-2015
 Ford F-350
1999
 Ford F-450
1992-2000
 GMC C/K 3500

USA Standard Gear Banner

Who is USA Standard Gear?

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 Experts

The 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 Product

All 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 Racing

If 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.





USA Standard Gear® ("USA Standard") warrants the original retail purchaser that all USA Standard products will be free from defects in materials and workmanship for the periods shown herein. USA Standard 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 USA Standard product has been installed and maintained in accordance with USA Standard instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At USA Standard's discretion, this warranty may be voided if installation of USA Standard product(s) occurs on vehicles with tires that exceed USA Standard Maximum Recommended Tire Size.

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
SpoolAs 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 SetOne (1) YearWarrantied against manufacturing defects for one (1) year.
Positraction DifferentialOne (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 LockerOne (1) YearWarrantied against manufacturers defects for one (1) year.
Install KitsOne (1) Year Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects.
Spider Gear Kits (ZIK)One (1) YearOne 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.

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