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  • Differential Case Design Type
  • Make/Model
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USA Standard Gear

USA Standard Gear Ring and Pinion Gear and Differential Combos

5.0 out of 5 stars 4 Customer Reviews

USA Standard Gear ring and pinion and differential combos save time and money by including everything you need in one simple part number. Quick Kits feature a USA Standard ring and pinion gear set, Master Install Kit with high-quality Koyo bearings, and required small parts to get vehicles back on the road quickly. The gear and install kits include axle bearings and seals. Many of these combo kits include Dura Grip differentials, depending on application. Order the USA Standard Gear ring and pinion gear and differential combo designed to fit your application.

Showing In Stock Items. Show All 33 Items.

Results 1 - 25 of 27

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2018

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2018

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2018

Ring and Pinion Gears,USA Standard 8.6" GM, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10729

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2002

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2002

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2002

Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 30

Part Number: SPZ-10713

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2005

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2005

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2005

Ring and Pinion Gears,USA Standard 8.5" GM, 4.88 Ratio Rear Ring & Pinion GearInstall Kit 30

Part Number: SPZ-10716

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2017

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2017

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2017

Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10728

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2125

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2125

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2125

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline

Part Number: SPZ-10838

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2234

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2234

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2234

Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10689

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2231

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2231

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2231

Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10686

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2127

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2127

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2127

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.56 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline

Part Number: SPZ-10840

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2020

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2020

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2020

Ring and Pinion Gears,USA Standard 8.6" GM, 4.88 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10731

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2254

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2254

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2254

Ring and Pinion Gears,USA Standard 9.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 33 Spline and Axle Bearings & Seals

Part Number: SPZ-10709

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2116

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2116

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2116

Ring and Pinion Gears,USA Standard 11.5" AAM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline Yukon Dura Grip Limited Slip Positraction, with

Part Number: SPZ-10829

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2028

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2028

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2028

Ring and Pinion Gears,USA Standard 8.6" GM, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10739

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2126

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2126

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2126

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline

Part Number: SPZ-10839

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2128

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2128

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2128

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.88 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline

Part Number: SPZ-10841

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2003

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2003

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2003

Ring and Pinion Gears,USA Standard 8.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 30

Part Number: SPZ-10714

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2115

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2115

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2115

Ring and Pinion Gears,USA Standard 11.5" AAM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline Yukon Dura Grip Limited Slip Positraction, with

Part Number: SPZ-10828

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2001

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2001

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2001

Ring and Pinion Gears,USA Standard 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 30

Part Number: SPZ-10712

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2117

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2117

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2117

Ring and Pinion Gears,USA Standard 11.5" AAM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline Yukon Dura Grip Limited Slip Positraction, with

Part Number: SPZ-10830

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2130

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2130

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2130

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.38 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline

Part Number: SPZ-10843

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2026

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2026

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2026

Ring and Pinion Gears,USA Standard 8.6" GM, 3.42 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10737

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2027

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2027

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2027

Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10738

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2016

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2016

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2016

Ring and Pinion Gears,USA Standard 8.6" GM, 3.42 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10727

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2129

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2129

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2129

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.13 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline

Part Number: SPZ-10842

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2030

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2030

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2030

Ring and Pinion Gears,USA Standard 8.6" GM, 4.88 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10741

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2109

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2109

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2109

Ring and Pinion Gears,USA Standard 11.5" AAM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 30 Spline Yukon Dura Grip Limited Slip Positraction, with

Part Number: SPZ-10822

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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