BUICK Differential & Rear-End Components

Ring and Pinion Installation Kit, GM 8.2 in. BOP Axle, Rear, Kit

Part Number: SPZ-37054

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Pinion Installation Kit, 30 Spline, GM 8.6 in., Kit

Part Number: YGA-13073

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Mini spool for GM 12 bolt with 30 spline axles

Part Number: YGA-32227

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Spider Gears, Side Gears, Cross Pin Shaft, Roll Pin, 28 Spline, Posi, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-16117

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.6 in., Kit

Part Number: YGA-11071

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Axle Shaft, 26-Spline, 28.438 in. Length, Rear, Buick, Chevy, Oldsmobile, Each

Part Number: SPZ-35059

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Spider Gears, Internal Kit, Front or Rear, Side Gears, Cross Shaft Pin and Bolt, GM, 8.5 in., 30 Spline, Kit

Part Number: YGA-16055

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Yukon Pinion install kit for GM 12 bolt car differential

Part Number: YGA-13056

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Axle Shaft, 30-spline, 30.375 in. Length, Rear, GM 8.5 in., GM 8.6 in., Chevy, Each

Part Number: SPZ-35107

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Spider Gear Kit, Positraction Differential, GM 8.5 in., 8.6 in., Aftermarket Yukon Dura/Eaton, 30 Spline, Kit

Part Number: YGA-16053

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36194

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Installation Kit, Master Overhaul, GM 8.875 in. Passenger Car, Kit

Part Number: YGA-14094

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Differential Clutch, Dura-Grip Composite Clutch Pack, Rear, GM, 7.5/7.625 in., Set

Part Number: YGA-16119

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Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: SPZ-36200

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 18, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit

Part Number: YGA-11069

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit

Part Number: SPZ-58012

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Gear standard spider gear set for GM 7.5", 26 spline

Part Number: SPZ-39023

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for '07 & up GM 8.6"

Part Number: SPZ-39036

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Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 25 Spline, GM 8.2 in. BOP, Kit

Part Number: YGA-11066

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Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Spider Gears, Side Gears, Cross Shaft Pin, Thrust Washers, 30 Spline, Open, Rear, GM 8.6 in., Kit

Part Number: YGA-16146

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Differential Main Cap Studs, GM, Kit

Part Number: YGA-32271

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Estimated Ship Date: Jan 2, 2026 if ordered today

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