USA Standard Gear

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When purchasing a product, price is the consumer's primary concern. At present, USA Standard Gear has 306 products for sale. USA Standard Gear products range in price from $70.25 to $377.78, and the average price of all the products is about $193.44.

We found that most of the USA Standard Gear products are manufactured by Spartan Locker. The manufacturer provides USA Standard Gear with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase USA Standard Gear products on Amazon.com. The brand holds an average rating of 4.5, testifying to its excellent reputation.

USA Standard Gear Best Sellers

Last Updated: Jan 9, 2026

USA Standard Gear Spartan Locker for Dana 30 diff, 27 Spline, Includes Heavy-Duty Cross pin Shaft

Differential Assembly Kits

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Fits Dana Spicer 30 with 27 spline axles

Made from 9310 steel for added strength

Replaces the spiders in a standard carrier case

Mechanical locker delivers reliable 100% lockup

USA Standard Gear Spartan Locker for Dana 44, (not D44-HD) 30 Spline Axles, with Cross Pin Shaft

Differential Assembly Kits

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Fits Dana Spicer 44 with 30 spline axles

Made from 9310 steel for added strength

Replaces the spiders in a standard carrier case

Mechanical locker delivers reliable 100% lockup

Does not fit Jeep JK

USA Standard Gear (ZK GM8.6) Master Overhaul Kit for GM 8.6 Differential

Differential Assembly Kits

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USA Standard Master Overhaul kits let you finish your install with confidence

This kit uses Koyo bearings and races

Includes carrier bearings and races,

Includes complete shim kit

Includes ing gear bolts, pinion nut, crush sleeve

Includes thread locker, marking compound with brush and gasket

Fit type: Vehicle Specific

USA Standard Gear (ZIKM35-S-27-1.5) Spider Gear Set for AMC Model 35 Differential with 1.560 Side Gear Bore

Differential Rings & Pinions

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USA Standard Gear standard spider gear set for AMC Model 35 with 1.560" side gear bore

OEM Replacement Quality

Includes Two Side Gears, Two Pinion Gears, Cross Pin Shaft, Cross Pin Bolt and Spider Gear Thrust Washers

Fit type: Vehicle Specific

USA Standard Gear (ZG D30R-488R) Replacement Ring & Pinion Gear Set for Dana 30 Reverse Rotation Differential

Differential Rings & Pinions

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USA Standard ring and pinion sets are the right choice to add confidence to your install

USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard to find applications

USA standard gear offers a standard one year warranty against defects on their ring and pinion sets

This product is used in a 4.88 axle ratio

USA Standard Gear (ZK D44) Master Overhaul Kit for Dana 44 Differential with 30 Spline

Differential Assembly Kits

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USA Standard Master Overhaul kits let you finish your install with confidence

This kit uses Koyo bearings and races

Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable)

Complete Installation Kit

USA Standard Gear - ZIKF8.8-T/L-31 Standard Spider Gear Set for Ford 8.8" Trac Loc Posi, 31 Spline

Differential Rings & Pinions

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Fits Ford 8.8" 31 spline Trac-Loc positraction

Spider gear kit

Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

USA Standard Gear (ZK GM12T) Master Overhaul Kit for GM 12-Bolt Truck Differential

Differential Assembly Kits

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USA Standard Master Overhaul kits let you finish your install with confidence

This kit uses Koyo bearings and races

Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable)

USA Standard Gear manufactures products that are engineered to surpass and exceed OEM specifications and eliminate points of failure through quality engineering, manufacturing, and quality control practices.

New USA Standard Front Driveshaft for Wrangler, 38" Center to Center

Drive Shaft Assemblies

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Compressed length of 38 in. measured from center to center of the furthest universal joint

1310 universal joint at the differential

1310 Double cardan CV Joint at Transfer Case

New universal joints, slip yokes, shafts and components ensure a long life

All units are dynamically balanced at 3,000+ RPMs for vibration-free driving

USA Standard “Perfect Fit” drive shafts are guaranteed for proper fitment and easy installation

USA Standard Gear, Power Steering Box, Compatible with 2007-18 Jeep Wrangler JK, ZSG8417

Power Steering Gear Boxes

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STEERING PRECISION: The USA Standard Gear Power Steering Box is a vital component within a car's steering system - guides the wheel's movement in conjunction with the direction that the steering wheel is rotated, ensuring a precise steering response

REPLACE AND REFRESH: The USA Standard Gear Power Steering Gear Box is the cure for vague-feeling, worn out power steering in your vehicle - replace yours with a brand new, not refurbrished, product

LOCK-TO-LOCK TURNS: With 3.0 turns lock-to-lock, this power steering box offers a balanced and responsive steering experience that allows for smooth maneuvering in tight spaces while maintaining stability at higher speeds

OEM-QUALITY ENGINEERING: Designed to meet or exceed OEM quality standards, this steering box ensures reliability and longevity and undergoes rigorous testing to guarantee its durability and performance, providing peace of mind for your vehicle's steering system.

EASY BOLT-ON INSTALLATION: This steering box is thoughtfully designed for easy bolt-on installation, a straightforward installation process. Invest in a new, not rebuilt, steering box from USA Standard Gear to restore your vehicle's steering precision and confidence on the road.

USA Standard Gear Differential Master Overhaul Rebuild Kit for 2009 and Down Ford 8.8"

Transmission Overhaul Packages

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Uses High Quality Koyo Bearings and Races;Material:Alloy Steel,Rubber,gasket material,marking compound,threadlocker

Complete Installation Kit

This kit uses Koyo bearings and races

Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable)

USA Standard Gear (SL D60-35) Spartan Locker for Dana 60 Differential with 35 Spline Axles

Tool Boxes

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Easy, drop-in installation

Made from 9310 steel

Heat treated and precision cut teeth

Fits Dana 60 differential with 35 spline axles

USA Standard Gear (ZIKGM7.5-S-26) Spider Gear Set for GM 26-Spline 7.5 Differential

Differential Rings & Pinions

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OEM Replacement Quality

Package Dimensions: 8 L x 32.4 H x 31.2 W (centimeters)

Package Weight : 1.792 kilograms

Country of Origin : United States

Fit type: Vehicle Specific

USA Standard Gear, Power Steering Box, Compatible with 2002-22 Various GM 1500/2500/3500 Truck/SUV/Van, ZSG8418

Power Steering Gear Boxes

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REPLACE AND REFRESH: The USA Standard Gear Power Steering Gear Box is the cure for vague-feeling, worn out power steering in your vehicle - replace yours with a brand new, not refurbrished, product

LOCK-TO-LOCK TURNS: With 3.2 turns lock-to-lock, this power steering box offers a balanced and responsive steering experience that allows for smooth maneuvering in tight spaces while maintaining stability at higher speeds

USA Standard Gear (ZG D44-411) Replacement Ring & Pinion Gear Set for Dana 44 Differential

Differential Rings & Pinions

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USA Standard ring and pinion sets are the right choice to add confidence to your install

USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard to find applications

USA standard gear offers a standard one year warranty against defects on their ring and pinion sets

This product is used in a 4.11 axle ratio

USA Standard Gear (ZG D60-354) Replacement Ring & Pinion Gear Set for Dana 60 Differential

Differential Rings & Pinions

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usa standard ring and pinion sets are the right choice to add confidence to your install

usa standard gear offers a full line of ring and pinion sets for a variety of common and hard to find applications

usa standard gear offers a standard one year warranty against defects on their ring and pinion sets

this product is used in a 3.54 axle ratio

Fit type: Vehicle Specific

USA Standard Gear (ZBKGM8.5) Bearing Kit for GM 8.5 Rear Differential

Car Differential Kits

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This kit uses Koyo bearings and races along with all high quality small parts

Contains all the correct parts you need to install your ring and pinion set

Includes Installation Guide

Kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush

USA Standard Gear, Power Steering Box, Compatible with 1997-05 Ford Heavy Duty Truck/Van/SUV, ZSG7569

Power Steering Gear Boxes

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REPLACE AND REFRESH: The USA Standard Gear Power Steering Gear Box is the cure for vague-feeling, worn out power steering in your vehicle - replace yours with a brand new, not refurbrished, product

LOCK-TO-LOCK TURNS: With 4.0 turns lock-to-lock, this power steering box offers a balanced and responsive steering experience that allows for smooth maneuvering in tight spaces while maintaining stability at higher speeds

USA Standard Gear Spartan Locker for GM 12T & 12P, 30 Spline, Includes Heavy-Duty Cross pin Shaft

Car Axle Shafts

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Fits GM 12 bolt car and truck with 30 spline axles

Made from 9310 steel for added strength

Replaces the spiders in a standard carrier case

Mechanical locker delivers reliable 100% lockup

USA Standard Gear FAQs

Is USA Standard Gear Legit?

Yes, USA Standard Gear is a legitmate brand on Amazon. After conducting a comprehensive analysis of 6,679 customer reviews for USA Standard Gear products on Amazon, we have determined its average rating. Offering great value and satisfying quality, USA Standard Gear has achieved a respectable rating of 4.5 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from USA Standard Gear on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

How to find more USA Standard Gear products?

If you're interested in USA Standard Gear and want to find more USA Standard Gear products, you can follow the steps below:

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Type USA Standard Gear in the search box and hit Enter to see the search results.
Find and click the correct USA Standard Gear to go to the new page.
Select the products you want in the USA Standard Gear buying guide, and take a glance at the prices and features of the products.
View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more USA Standard Gear products.

How does findthisbest choose the top USA Standard Gear products?

We analyze millions of USA Standard Gear products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

How can I purchase USA Standard Gear products via FindThisBest?

Go to the USA Standard Gear page.
Select the product you want in the USA Standard Gear buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product USA Standard Gear Spartan Locker for Dana 30 diff,..., you can view it on Amazon page.
Place your order on Amazon.

Who are the manufacturers of the USA Standard Gear products?

Most of the USA Standard Gear products are produced by Spartan Locker. The manufacturer provides USA Standard Gear with a steady supply of products, and they have a good cooperative relationship with each other.

What is the purpose of your brand guide?

Our mission is to provide you with the most up-to-date and objective information about the USA Standard Gear products, helping you make more informed buying decisions. We recommend best choices of the products from the USA Standard Gear brand, helping you make better shopping choices with less time and energy.

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