BUICK Differential & Rear-End Components

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

Part Number: SPZ-58012

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Axle Shaft, 30-Spline, 30.375 in. Length, Rear, GM, Each

Part Number: YGA-21278

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Estimated Ship Date: Monday 1/26/2026

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Spider Gear Kits, Open Differential, GM 7.5/7.625 in., 26 Spline, Kit

Part Number: MGR-GM7-5BI

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Estimated Ship Date: Monday 1/26/2026

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Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-30

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/26/2026

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Gear, Ring and Pinion, 3.42:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-136

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set

Part Number: SVL-2023704

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, 28/30 Spline Pinion, Kit

Part Number: RMG-83-1026-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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Installation Kit, Master Overhaul, GM 7.5 in., Kit

Part Number: YGA-14076

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline, GM 7.5/7.6 in., Kit

Part Number: YGA-14077

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-810

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Estimated Ship Date: Monday 1/26/2026

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STANDARD DIFF BEARING & SEAL KIT - 1999-2008 MODEL YEARS WITH GM 8.5 & 8.6 AXLE

Part Number: SDH-10038956

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Set

Part Number: SVL-2019331

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Estimated Ship Date: Feb 6, 2026 if ordered 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: Monday 1/26/2026

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Differential Carrier Gear Kit

Part Number: RMG-XL-4058

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Ring and Pinion Installation Kit, Master Kit, GM 7.5 in., 7.625 in., Kit

Part Number: MGR-R75GRMKT

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, 1977-1981, 27-Spline Pinion, Kit

Part Number: RMG-8310161

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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MASTER DIFF. BEARING & SEAL KIT - 1999-2008 MODEL YEARS WITH GM 8.5 & 8.6 AXLE

Part Number: SDH-10038957

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Installation Kit, GM, 8.25 in. IFS, Kit

Part Number: MGR-R82RIFSL

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Estimated Ship Date: Feb 12, 2026 if ordered 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: Feb 24, 2026 if ordered 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: Feb 24, 2026 if ordered today

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, GM G-Body, 7.5 in., Each

Part Number: MSR-A102801-1

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Estimated Ship Date: Monday 1/26/2026

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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: Feb 24, 2026 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: Feb 24, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, Rear, Open, 28-spline, 10-bolt, GM 8.5 in., Kit

Part Number: SVL-10020477

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Estimated Ship Date: Feb 9, 2026 if ordered today

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