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USA Standard Gear Bearing Kit GM 12 Bolt Truck 1972-1987 Chevrolet/GMC
$174.89

If you're diving into a rear-end rebuild on your classic GM truck, this USA Standard bearing kit is a solid choice. It’s designed to fit the GM 12 bolt trucks, so you know it’s made for the job. No more guessing if the parts will fit; this kit has everything you need to get your differential back in shape.

  • Perfectly fits GM 12 bolt trucks—no mismatches here.
  • Crafted with Koyo bearings and races, which are known for their reliability. Trust me, these are the good stuff.
  • What’s in the box? You get carrier bearings and races, pinion bearings and races, a pinion seal, a pinion nut, a crush sleeve, marking compound, and even a brush to make your life easier. Seriously, it’s all there.

And hey, you’ve got a one-year warranty against manufacturer defects, so you can install with a bit of peace of mind. It’s like having a safety net while you’re getting your hands dirty.

Fitment Details:
This kit works with a range of models, including:
- Chevrolet Blazer (1969-1974 & 1987)
- Chevrolet C/K 10 (1963-1986)
- Chevrolet G10 (1975-1981)
- Chevrolet G10 Van (1969-1974)
- Chevrolet K5 Blazer (1975-1986)
- Chevrolet R/V 10 (1987)
- Chevrolet Suburban (1963-1988)
- GMC C/K 15 (1966-1978)
- GMC C/K 1500 (1979-1986)
- GMC G1500 (1979-1987)
- GMC G2500 (1979-1981)
- GMC R1500 (1987)
- GMC V1500 (1987)

So, if you're looking to get your truck running smoothly again, this kit's got your back. It’s straightforward, reliable, and ready to help you hit the road without any worries.

Proposition 65

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

Vehicle Make/Model
Chevrolet Blazer 1969-1974 Base
Chevrolet Blazer 1987 Silverado
Chevrolet Blazer 1987 Custom Deluxe
Chevrolet C10 1975-1981 Cheyenne
Chevrolet C10 1975-1986 Silverado
Chevrolet C10 1975-1980 Custom Deluxe
Chevrolet C10 1975-1986 Scottsdale
Chevrolet C10 1975-1986 Custom
Chevrolet C10 1978-1980 Big Ten
Chevrolet C10 1981 Deluxe
Chevrolet C10 Panel 1963-1967 Base
Chevrolet C10 Pickup 1963-1974 Base
Chevrolet C10 Suburban 1967-1969, 1971-1974 Base
Chevrolet C10 Suburban 1975-1980, 1982, 1984-1986 Scottsdale
Chevrolet C10 Suburban 1975-1980, 1982-1986 Silverado
Chevrolet C10 Suburban 1975-1980 Custom Deluxe
Chevrolet C10 Suburban 1981 Deluxe
Chevrolet C10 Suburban 1981-1986 Custom
Chevrolet C20 Suburban 1967-1969, 1971-1974 Base
Chevrolet C20 Suburban 1975-1980 Custom Deluxe
Chevrolet C20 Suburban 1975-1977, 1979-1980, 1982-1986 Silverado
Chevrolet C20 Suburban 1975-1980, 1982, 1984-1986 Scottsdale
Chevrolet C20 Suburban 1981-1986 Custom
Chevrolet C20 Suburban 1981 Deluxe
Chevrolet G10 1975-1981 Chevy Van
Chevrolet G10 1975-1981 Beauville
Chevrolet G10 1975-1981 Sportvan
Chevrolet G10 1981 Bonaventure
Chevrolet G10 Van 1967, 1969-1974 Base
Chevrolet G10 Van 1968-1974 Sportvan
Chevrolet K10 1975-1986 Silverado
Chevrolet K10 1975-1981 Cheyenne
Chevrolet K10 1975-1980 Custom Deluxe
Chevrolet K10 1975-1986 Scottsdale
Chevrolet K10 1981 Deluxe
Chevrolet K10 1981-1986 Custom
Chevrolet K10 Pickup 1963-1974 Base
Chevrolet K10 Suburban 1967-1974 Base
Chevrolet K10 Suburban 1975-1980, 1982, 1984-1986 Scottsdale
Chevrolet K10 Suburban 1975-1980 Custom Deluxe
Chevrolet K10 Suburban 1975-1977, 1979-1980, 1982-1983, 1985-1986 Silverado
Chevrolet K10 Suburban 1981 Deluxe
Chevrolet K10 Suburban 1981-1986 Custom
Chevrolet K20 Suburban 1967-1969, 1971-1974 Base
Chevrolet K20 Suburban 1975-1977, 1979-1980, 1982-1983, 1985-1986 Silverado
Chevrolet K20 Suburban 1975-1980, 1982, 1984-1986 Scottsdale
Chevrolet K20 Suburban 1975-1980 Custom Deluxe
Chevrolet K20 Suburban 1981 Deluxe
Chevrolet K20 Suburban 1981-1986 Custom
Chevrolet K5 Blazer 1975, 1977-1980 Custom Deluxe
Chevrolet K5 Blazer 1975-1980 Cheyenne
Chevrolet K5 Blazer 1976 Base
Chevrolet K5 Blazer 1978, 1980-1986 Silverado
Chevrolet K5 Blazer 1981-1986 Custom
Chevrolet K5 Blazer 1981 Deluxe
Chevrolet K5 Blazer 1984 Scottsdale
Chevrolet R10 1987 Silverado
Chevrolet R10 1987 Scottsdale
Chevrolet R10 1987 Custom Deluxe
Chevrolet R10 Suburban 1987-1988 Scottsdale
Chevrolet R10 Suburban 1987-1988 Silverado
Chevrolet R10 Suburban 1987 Custom Deluxe
Chevrolet R20 Suburban 1987-1988 Silverado
Chevrolet R20 Suburban 1987-1988 Scottsdale
Chevrolet R20 Suburban 1987 Custom Deluxe
Chevrolet S10 Blazer 1987 Base
Chevrolet S10 Blazer 1987 High Country
Chevrolet S10 Blazer 1987 Tahoe
Chevrolet S10 Blazer 1987 Sport
Chevrolet Suburban 1963-1966, 1987-1988 Base
Chevrolet V10 1987 Silverado
Chevrolet V10 1987 Custom Deluxe
Chevrolet V10 1987 Scottsdale
Chevrolet V10 Suburban 1987-1988 Silverado
Chevrolet V10 Suburban 1987-1988 Scottsdale
Chevrolet V10 Suburban 1987 Custom Deluxe
Chevrolet V20 Suburban 1987-1988 Silverado
Chevrolet V20 Suburban 1987-1988 Scottsdale
Chevrolet V20 Suburban 1987 Custom Deluxe
GMC C15 1975-1978 Sierra Grande
GMC C15 1975-1978 Sierra Classic
GMC C15 1975-1978 High Sierra
GMC C15 1975-1978 Base
GMC C15 1977-1978 Heavy Half
GMC C15 1977 Indy Hauler
GMC C15 1978 Street Coupe
GMC C15 Suburban 1975-1978 High Sierra
GMC C15 Suburban 1975-1978 Sierra Classic
GMC C15 Suburban 1975-1978 Base
GMC C15 Suburban 1975-1978 Sierra Grande
GMC C15/C1500 Pickup 1967-1974 Base
GMC C15/C1500 Suburban 1967-1974 Base
GMC C1500 1979-1980 Heavy Half
GMC C1500 1979-1986 Sierra Classic
GMC C1500 1979-1986 Base
GMC C1500 1979-1982 Street Coupe
GMC C1500 1979-1982 Sierra Grande
GMC C1500 1979-1986 High Sierra
GMC C1500 Suburban 1979-1982 Sierra Grande
GMC C1500 Suburban 1979-1986 Sierra Classic
GMC C1500 Suburban 1979-1986 High Sierra
GMC C1500 Suburban 1979-1986 Base
GMC G15 1975-1978 Vandura
GMC G15 1975-1978 Rally
GMC G15 1975-1978 Rally STX
GMC G15/G1500 Van 1967, 1970-1971 Base
GMC G15/G1500 Van 1968-1974 Vandura
GMC G15/G1500 Van 1968-1969, 1971-1974 Rally
GMC G1500 1964-1966 Base
GMC G1500 1979-1987 Vandura
GMC G1500 1979-1987 Rally
GMC G1500 1979-1987 Rally STX
GMC G1500 1983-1984 Rally Custom
GMC G25 1975-1978 Vandura
GMC G25 1975-1978 Rally STX
GMC G25 1975-1978 Rally
GMC G25/G2500 Van 1967, 1970-1972 Base
GMC G25/G2500 Van 1968-1969, 1971-1974 Rally
GMC G25/G2500 Van 1968-1974 Vandura
GMC G2500 1979-1981 Rally
GMC G2500 1979-1981 Vandura
GMC G2500 1979-1981 Rally STX
GMC K15 1975-1978 Sierra Classic
GMC K15 1975-1978 Base
GMC K15 1975-1978 Sierra Grande
GMC K15 1975-1978 High Sierra
GMC K15 1977 Indy Hauler
GMC K15 Suburban 1975-1978 High Sierra
GMC K15 Suburban 1975-1978 Sierra Classic
GMC K15 Suburban 1975-1978 Sierra Grande
GMC K15 Suburban 1975-1978 Base
GMC K15/K1500 Pickup 1966-1974 Base
GMC K15/K1500 Suburban 1967-1974 Base
GMC K1500 1979-1986 Base
GMC K1500 1979-1982 Sierra Grande
GMC K1500 1979-1986 Sierra Classic
GMC K1500 1979-1986 High Sierra
GMC K1500 Suburban 1979-1986 High Sierra
GMC K1500 Suburban 1979-1986 Sierra Classic
GMC K1500 Suburban 1979-1986 Base
GMC K1500 Suburban 1979-1982 Sierra Grande
GMC K25/K2500 Suburban 1967 Base
GMC R1500 1987 Base
GMC R1500 1987 High Sierra
GMC R1500 1987 Sierra Classic
GMC R1500 Suburban 1987 High Sierra
GMC R1500 Suburban 1987 Sierra Classic
GMC R1500 Suburban 1987 Base
GMC Suburban 1963-1966 Base
GMC V1500 1987 Sierra Classic
GMC V1500 1987 Base
GMC V1500 1987 High Sierra
GMC V1500 Suburban 1987 Base
GMC V1500 Suburban 1987 Sierra Classic
GMC V1500 Suburban 1987 High Sierra

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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