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USA Standard Gear GM Master Overhaul Kit for 88 and Older GM 10.5 Inch 14T Differential
$337.89

If you're diving into a rebuild of your GM 10.5-inch 14-bolt truck differential, you’ll want to check out the USA Standard Master Overhaul Kit. Trust me, this kit has everything you need to wrap up your install without second-guessing yourself.

This isn't just any kit; it’s specifically designed for those classic rides from 1988 and earlier. You know, the ones that really make you feel connected to the road. Inside, you'll find high-quality Koyo bearings and races, which are known for their durability and performance. That means you can hit the trails or the highway with confidence, knowing your setup is solid.

What’s included? Well, it’s a complete package. You’ve got your carrier bearings and races, pinion bearings and races, and even a pilot bearing. Plus, they’ve thrown in a pinion seal, a full shim kit, a pinion nut, and a crush sleeve. And let’s not forget the thread locker, marking compound with a brush, and a gasket—everything you need to make sure your differential is running smoothly.

And just to ease your mind a bit, this kit comes with a one-year warranty against manufacturer defects. So, you can focus on getting your truck back on the road without worrying about what might go wrong.

As for fitment, this kit is compatible with a whole lineup of classic Chevy and GMC models, including:

  • Chevrolet C/K 20 (1973-1983 & 1986)
  • Chevrolet C/K 2500 (1988)
  • Chevrolet C/K 30 (1972-1983 & 1986)
  • Chevrolet C/K 3500 (1988)
  • Chevrolet Suburban (1973-1983 & 1986-1988)
  • GMC C/K 25 (1967-1978)
  • GMC C/K 2500 (1979-1986 & 1988)
  • GMC R2500 (1987-1988)
  • ...and many more!

This kit isn't just a bunch of parts thrown together; it’s a thoughtful selection of components that make your rebuild easier and more reliable. So, if you're looking to get your classic truck back in top shape, this overhaul kit is definitely worth considering.

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Vehicle Make/Model
Chevrolet C10 Suburban 1973-1974 Base
Chevrolet C10 Suburban 1975-1980 Custom Deluxe
Chevrolet C10 Suburban 1975-1980, 1982-1983, 1986 Silverado
Chevrolet C10 Suburban 1975-1980, 1982, 1986 Scottsdale
Chevrolet C10 Suburban 1981 Deluxe
Chevrolet C10 Suburban 1981-1983, 1986 Custom
Chevrolet C20 1975-1980 Custom Deluxe
Chevrolet C20 1975-1983, 1986 Scottsdale
Chevrolet C20 1975-1981, 1986 Cheyenne
Chevrolet C20 1975-1983, 1986 Silverado
Chevrolet C20 1981-1983, 1986 Custom
Chevrolet C20 1981 Deluxe
Chevrolet C20 1986 Base
Chevrolet C20 Pickup 1973-1974 Base
Chevrolet C20 Suburban 1973-1974 Base
Chevrolet C20 Suburban 1975-1980, 1982, 1986 Scottsdale
Chevrolet C20 Suburban 1975-1977, 1979-1980, 1982-1983, 1986 Silverado
Chevrolet C20 Suburban 1975-1980 Custom Deluxe
Chevrolet C20 Suburban 1981 Deluxe
Chevrolet C20 Suburban 1981-1983, 1986 Custom
Chevrolet C2500 1988 Cheyenne
Chevrolet C2500 1988 Base
Chevrolet C2500 1988 Scottsdale
Chevrolet C2500 1988 Silverado
Chevrolet C30 1975-1980 Custom Deluxe
Chevrolet C30 1975-1982 Base
Chevrolet C30 1975-1981 Cheyenne
Chevrolet C30 1975-1983, 1986 Silverado
Chevrolet C30 1975-1983, 1986 Scottsdale
Chevrolet C30 1981-1983, 1986 Custom
Chevrolet C30 1981 Deluxe
Chevrolet C30 Pickup 1972-1974 Base
Chevrolet C3500 1988 Silverado
Chevrolet C3500 1988 Scottsdale
Chevrolet C3500 1988 Cheyenne
Chevrolet G20 1975-1983, 1986-1988 Chevy Van
Chevrolet G20 1975-1983, 1986-1988 Sportvan
Chevrolet G20 1975-1983, 1986-1988 Beauville
Chevrolet G20 1978-1981 Nomad
Chevrolet G20 1983 Bonaventure
Chevrolet G30 1979-1983, 1986-1988 Sportvan
Chevrolet G30 1979-1983, 1986-1988 Chevy Van
Chevrolet G30 1979-1983, 1986-1988 Hi-Cube
Chevrolet G30 1979-1983, 1986-1988 Beauville
Chevrolet G30 1983 Bonaventure
Chevrolet K10 Suburban 1973-1974 Base
Chevrolet K10 Suburban 1975-1980 Custom Deluxe
Chevrolet K10 Suburban 1975-1980, 1982, 1986 Scottsdale
Chevrolet K10 Suburban 1975-1977, 1979-1980, 1982-1983, 1986 Silverado
Chevrolet K10 Suburban 1981 Deluxe
Chevrolet K10 Suburban 1981-1983, 1986 Custom
Chevrolet K20 1975-1980 Custom Deluxe
Chevrolet K20 1975-1983, 1986 Scottsdale
Chevrolet K20 1975-1983, 1986 Silverado
Chevrolet K20 1975-1981 Cheyenne
Chevrolet K20 1981 Deluxe
Chevrolet K20 1981-1983, 1986 Custom
Chevrolet K20 Pickup 1973-1974 Base
Chevrolet K20 Suburban 1973-1974 Base
Chevrolet K20 Suburban 1975-1980, 1982, 1986 Scottsdale
Chevrolet K20 Suburban 1975-1977, 1979-1980, 1982-1983, 1986 Silverado
Chevrolet K20 Suburban 1975-1980 Custom Deluxe
Chevrolet K20 Suburban 1981 Deluxe
Chevrolet K20 Suburban 1981-1983, 1986 Custom
Chevrolet K2500 1988 Silverado
Chevrolet K2500 1988 Cheyenne
Chevrolet K2500 1988 Scottsdale
Chevrolet K30 1977-1983, 1986 Scottsdale
Chevrolet K30 1977-1983, 1986 Silverado
Chevrolet K30 1977-1981 Cheyenne
Chevrolet K30 1977-1980 Custom Deluxe
Chevrolet K30 1981 Deluxe
Chevrolet K30 1981-1983, 1986 Custom
Chevrolet K30 Pickup 1972-1974 Base
Chevrolet K3500 1988 Cheyenne
Chevrolet K3500 1988 Scottsdale
Chevrolet K3500 1988 Silverado
Chevrolet R10 Suburban 1987-1988 Silverado
Chevrolet R10 Suburban 1987-1988 Scottsdale
Chevrolet R10 Suburban 1987 Custom Deluxe
Chevrolet R20 1987 Scottsdale
Chevrolet R20 1987 Custom Deluxe
Chevrolet R20 1987 Silverado
Chevrolet R20 Suburban 1987-1988 Silverado
Chevrolet R20 Suburban 1987-1988 Scottsdale
Chevrolet R20 Suburban 1987 Custom Deluxe
Chevrolet R30 1987-1988 Custom Deluxe
Chevrolet R30 1987-1988 Silverado
Chevrolet R30 1987-1988 Scottsdale
Chevrolet R30 1988 Cheyenne
Chevrolet Suburban 1987-1988 Base
Chevrolet V10 Suburban 1987 Custom Deluxe
Chevrolet V10 Suburban 1987-1988 Silverado
Chevrolet V10 Suburban 1987-1988 Scottsdale
Chevrolet V20 1987 Scottsdale
Chevrolet V20 1987 Silverado
Chevrolet V20 1987 Custom Deluxe
Chevrolet V20 Suburban 1987-1988 Scottsdale
Chevrolet V20 Suburban 1987-1988 Silverado
Chevrolet V20 Suburban 1987 Custom Deluxe
Chevrolet V30 1987-1988 Silverado
Chevrolet V30 1987-1988 Custom Deluxe
Chevrolet V30 1987-1988 Scottsdale
Chevrolet V30 1988 Cheyenne
GMC C25 1975-1978 Sierra Grande
GMC C25 1975-1978 Base
GMC C25 1975-1978 Sierra Classic
GMC C25 1975-1978 High Sierra
GMC C25 Suburban 1975-1978 Base
GMC C25 Suburban 1975-1978 Sierra Classic
GMC C25 Suburban 1975-1978 High Sierra
GMC C25 Suburban 1975-1978 Sierra Grande
GMC C25/C2500 Pickup 1973-1974 Base
GMC C25/C2500 Suburban 1973-1974 Base
GMC C2500 1979-1986 Sierra Classic
GMC C2500 1979-1982 Sierra Grande
GMC C2500 1979-1986 High Sierra
GMC C2500 1979-1986 Base
GMC C2500 1988 Sierra SLX
GMC C2500 1988 Sierra
GMC C2500 1988 Sierra SLE
GMC C2500 Suburban 1979-1982 Sierra Grande
GMC C2500 Suburban 1979-1986 High Sierra
GMC C2500 Suburban 1979-1986 Base
GMC C2500 Suburban 1979-1986 Sierra Classic
GMC C35 1975-1978 High Sierra
GMC C35 1975-1978 Sierra Grande
GMC C35 1975-1978 Base
GMC C35 1975-1978 Sierra Classic
GMC C35/C3500 Pickup 1973-1974 Base
GMC C3500 1979-1983, 1986 Base
GMC C3500 1979-1982 Sierra Grande
GMC C3500 1979-1983, 1986 Sierra Classic
GMC C3500 1979-1983, 1986 High Sierra
GMC C3500 1988 Sierra
GMC C3500 1988 Sierra SLE
GMC C3500 1988 Sierra SLX
GMC G1500 1981-1983, 1986-1987 Rally
GMC G1500 1981-1983, 1986-1987 Vandura
GMC G1500 1981-1983, 1986-1987 Rally STX
GMC G1500 1983 Rally Custom
GMC G3500 1979-1983, 1986-1988 Rally
GMC G3500 1979-1983, 1986-1988 Vandura Special
GMC G3500 1979-1983, 1986-1988 Rally Camper Special
GMC G3500 1979-1983, 1986-1988 Rally STX
GMC G3500 1979-1983, 1986-1988 Magnavan
GMC G3500 1979-1983, 1986-1988 Vandura
GMC G3500 1981-1983, 1986-1988 Rally Custom
GMC K25 1975-1978 Sierra Grande
GMC K25 1975-1978 Base
GMC K25 1975-1978 High Sierra
GMC K25 1975-1978 Sierra Classic
GMC K25 Suburban 1975-1978 Sierra Classic
GMC K25 Suburban 1975-1978 Base
GMC K25 Suburban 1975-1978 High Sierra
GMC K25 Suburban 1975-1978 Sierra Grande
GMC K25/K2500 Pickup 1967-1974 Base
GMC K25/K2500 Suburban 1973-1974 Base
GMC K2500 1979-1986 Sierra Classic
GMC K2500 1979-1986 High Sierra
GMC K2500 1979-1982 Sierra Grande
GMC K2500 1979-1986 Base
GMC K2500 1988 Sierra
GMC K2500 1988 Sierra SLX
GMC K2500 1988 Sierra SLE
GMC K2500 Suburban 1979-1982 Sierra Grande
GMC K2500 Suburban 1979-1986 Sierra Classic
GMC K2500 Suburban 1979-1986 High Sierra
GMC K2500 Suburban 1979-1986 Base
GMC K35 1977-1978 Sierra Classic
GMC K35 1977-1978 Sierra Grande
GMC K35 1977-1978 Base
GMC K35 1977-1978 High Sierra
GMC K35/K3500 Pickup 1973-1974 Base
GMC K3500 1979-1983, 1986 Sierra Classic
GMC K3500 1979-1982 Sierra Grande
GMC K3500 1979-1983, 1986 Base
GMC K3500 1979-1983, 1986 High Sierra
GMC K3500 1988 Sierra
GMC K3500 1988 Sierra SLX
GMC K3500 1988 Sierra SLE
GMC R2500 1987-1988 High Sierra
GMC R2500 1987-1988 Sierra Classic
GMC R2500 1987-1988 Base
GMC R2500 Suburban 1987-1988 Sierra Classic
GMC R2500 Suburban 1987-1988 Base
GMC R2500 Suburban 1987 High Sierra
GMC R3500 1987 Sierra Classic
GMC R3500 1987 Base
GMC R3500 1987 High Sierra
GMC V2500 1987 Base
GMC V2500 1987 High Sierra
GMC V2500 1987 Sierra Classic
GMC V2500 Suburban 1987-1988 Sierra Classic
GMC V2500 Suburban 1987-1988 Base
GMC V2500 Suburban 1987 High Sierra
GMC V3500 1987 High Sierra
GMC V3500 1987 Base
GMC V3500 1987 Sierra Classic

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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