BUICK REGAL Transmission & Drivetrain

Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: SPZ-17040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Axle Seal, Rear Axle Shaft Size-1.399 in., Seal O.D-.2.296, Seal Width-0.460 in., Bidirectional, Each

Part Number: TMK-8660S

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Yoke, Differential Location, 30-spline Inner, Cast Steel, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-41092

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Differential Pinion Yoke, 1350, 30 Spline, Steel, GM 8.5 in., Each.

Part Number: YGA-41093

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Differential, Posi Performance, Limited Slip, 26-Spline, GM, 7.5 in., Each

Part Number: ETN-19663-010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, Chevy, TH350, TH400, Each

Part Number: LOK-XTD350400FM3

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Transmission Filter, Buick, Chevy, Oldsmobile, Pontiac, TH350, Kit

Part Number: TCI-328500

3.81 out of 5 stars ( 21 )

Estimated Ship Date: Monday 2/9/2026

Automatic Transmission Pan, Stock, Steel, Chrome, GM TH400, Each

Part Number: TCI-228011

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/9/2026

Clutch Kit, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: LUK-04-021

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/9/2026

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Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32017

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

Clutch Disc, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Disc, Jeep, L6, V8, Each

Part Number: CTF-384193

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026

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Clutch Kit, Centerforce I, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Buick, Chevy

Part Number: CTF-KCF757116

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/9/2026

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Transmission Pan, Stock, Steel, EDP Coated Black, GM 700R4, 4L60, 4L60E, Each

Part Number: MRG-9767BMRG

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Pressure Plate, Diaphragm-Style, 10.5 in. Disc Diameter, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: RAM-401

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Clutch Kit, Street/Strip, Organic, 1 1/8 in.-10-Spline, 10.5 in. Diameter Disc, Buick, Chevy, Pontiac, Kit

Part Number: HAY-85-103

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 10.5 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700928

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Clutch Fork, Steel, Zinc Plated, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MCL-16931

3.78 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/9/2026

Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32118

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 10.4 in. Disc, Buick, Chevy, GMC, Pontiac, L6, V6, V8, Kit

Part Number: RAM-88760

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/9/2026

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Ring and Pinion Installation Kit, GM, 8.5 in., GM, Kit

Part Number: MGR-R10R

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

Flexplate Dust Shield, Steel, Chrome, Chevy, 700R4, Each

Part Number: MRG-5135

2.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026