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1990 USA Standard Gear Differential & Rear-End Components

Showing In Stock Items. Show All 51 Items.

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2218 Ford 8.8 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10673

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2012 GM 8.5 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal

Part Number: SPZ-10723

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D44HD-373 Dana 44-HD 3.73 Gears

USA Standard Ring & Pinion gear set for Dana 44-HD in a 3.73 ratio

Part Number: SPZ-36057

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2007 GM 8.5 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

Part Number: SPZ-10718

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2215 Ford 8.8 in. 3.27 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 3.27 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10670

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2238 GM 7.5/7.625 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10693

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2123 GM 10.5 in. (14-bolt) 5.13 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.13 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10836

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Estimated Ship Date: Today

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USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-30

Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2122 GM 10.5 in. (14-bolt) 4.88 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10835

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2070 Chrysler 9.25 in. 3.21 Gears

Ring and Pinion Gears,USA Standard 9.25" CHRYSLER, 3.21 Ratio Rear Ring & Pinion GearInstall Kit 1.62" Inside Diameter Axle Bearings & Seals

Part Number: SPZ-10781

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2236 GM 7.5/7.625 in. 3.23 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10691

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2006 GM 8.5 in. 3.42 Gears

Ring and Pinion Gears,USA Standard 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

Part Number: SPZ-10717

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Spartan Lockers Toyota 9.5 Inch SL TLC-30

Spartan Differential Locker, Toyota 9.5 in., 30-spline Axle, Toyota, Each

Part Number: SPZ-17033

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D80-354 Dana 80 3.54 Gears

Ring and Pinion Gears, 3.54:1 Ratio, 37-spline, Standard Ring Gear Rotation, Dana 80, Set

Part Number: SPZ-36091

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2124 GM 10.5 in. (14-bolt) 5.38 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.38 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10837

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2239 GM 7.5/7.625 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10694

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2047 Ford 8.8 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.530" OD Axle Bearings & Seals

Part Number: SPZ-10758

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK D70-HD

USA Standard Master Overhaul kit Dana 70 HD differential

Part Number: SPZ-37023

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK TV6-SPC

USA Standard Master Overhaul kit for the Toyota V6 & Turbo 4 differential

Part Number: SPZ-37075

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F10.25-411S Ford 10.25 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 31-spline, Standard Rotation, Short Spline Design, Ford 10.25 in., Set

Part Number: SPZ-36105

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2185 Chrysler 8.25 in. 3.07 Gears

Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 3.07 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: SPZ-10898

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2118 GM 10.5 in. (14-bolt) 3.73 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10831

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2235 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.08 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10690

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630437

Axle DANA 60 GM FRONT, '77-'91, LEFT HAND, 35.1" 35spl INNER & 12" OUTER STUB SHAFT, 4340

Part Number: SPZ-12167

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

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