BUICK Transmission & Drivetrain

Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.2 in., Set

Part Number: RNB-697-807

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Transmission Overflow Tank, Pro-X, Aluminum, Black, 1 qt. Capacity, GM TH400, Each

Part Number: TCI-228005

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Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff

Part Number: SVL-10020478

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Estimated Ship Date: Apr 1, 2026 if ordered today

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MASTER KIT

Part Number: PIO-752049

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Estimated Ship Date: Apr 6, 2026 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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Gear, Ring and Pinion, 3.90:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-139

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Specialty Components, 6T30-80 Pulse Dampener Accumulator Tool Kit (accumulators sold separately)

Part Number: TRG-6T-PDP-TKC

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Estimated Ship Date: Mar 31, 2026 if ordered today

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

Part Number: YGA-13069

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-719

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Wheel Bearing and Hub Assembly, Steel, Natural, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Saturn, Each

Part Number: ADO-513121A

5.0 out of 5 stars ( 1 )

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 )

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36" HI-TECH FLEXIBLE STAINLESS FIREWALL MOUNT TRANS DIPSTICK FOR 4L60E

Part Number: LOK-S0019

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Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 3 Pad Mount, 12.00 in. Diameter, Stock Stall, 30 Spline Input, GM, Each

Part Number: CCV-TQBU16A

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Estimated Ship Date: May 21, 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: Today

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Flexplate, 166-tooth, Steel, External Engine Balance, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: PIO-FRA-109

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.125 in. Length, Each

Part Number: MGR-MG1015

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio

Part Number: SVL-2020954

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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

Part Number: RMG-12BC342

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Flexplate, 166-tooth, Steel, External Balance, 2.491 in. Center Hole Diameter, Buick, 455, Each

Part Number: ATP-Z238

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75410TK

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Clutch Disc, Organic, 1 1/8 in. Diameter Shaft, 26-Spline, 10.5 in. Diameter Disc, Buick, Chevy, Pontiac, Each

Part Number: RAM-309M

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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: Apr 20, 2026 if ordered today

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Wheel Bearing and Hub Assembly, Steel, Natural, Buick, Cadillac, Chevy, GMC, Saab, Each

Part Number: ADO-513288

5.0 out of 5 stars ( 1 )

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Wheel Bearing and Hub Assemblies, Front, Rear, Steel, Natural, 4WD/AWD/FWD, Buick, Chevy, GMC, Saturn, L4/V6, Each

Part Number: RNB-951-305

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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YOKE KIT,DIFF DRV P/GR

Part Number: ADO-19540029

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