Availability
BUICK Transmission & Drivetrain
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., B or P Axle, 10-Bolt, 3 Series, Set
Part Number: RMG-4900821
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in. Passenger Car, Set
Part Number: SVL-2023899
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM400, Buick, Chevy, Each
Part Number: HAY-97-1D28Q
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
U-Joint, Lifetime Series, Spicer 1350 Style, Steel, AMC, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Mercury, Olds, Pontiac, Each
Part Number: YGA-42021
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Tailshaft Housing, Aluminum, GM, TH400, Each
Part Number: TCI-226405
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Shifter, Floor Mounted, Detent, 6.000 in. Straight Black Stick, 3/8-24 in., Black Mushroom Knob, TH350, Each
Part Number: LOK-FM350FXMB
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Automatic Shifter, Floor Mounted, Detent, 10.000 in. Single Bend Chrome Stick, 3/8-24 in., Brushed Mushroom Knob, TH400, Each
Part Number: LOK-FM400DM
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for '07 & up GM 8.6"
Part Number: SPZ-39036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Filter, Buick, Chevy, Oldsmobile, Pontiac, Powerglide, Kit
Part Number: TCI-628500
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Pan, Deep, Aluminum, Natural, TH400, Buick, Chevy, Pontiac, Each
Part Number: EW1-37430
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.6 in., Kit
Part Number: YGA-11071
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Kickdown Bracket Only, Complete Kit Part # LOK-KD-2350U, Each
Part Number: LOK-KDB-4350
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Rebuild Components, Park Pawl Actuator Rod, TH400, Each
Part Number: ATI-402113
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit
Part Number: RMG-831019B
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, GM, 8.5 in., 8.6 in., Each
Part Number: AUB-546050
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Pair
Part Number: MSR-A102801
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc
Part Number: CUR-CR-GG137TEBB
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: MGR-GM10-430
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Motive Gear Performance Ring and Pinion Sets G885430 GM 8.5/8.6 in. 4.30 Gears
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Vent Tubes, GM Genuine Parts, Plastic, Cream, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each
Part Number: ADO-8633408
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L
Part Number: MGR-GM12BI
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSKT
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Shifter, Electronic Sport Shifters, Detent, 6.000 in. Straight Chrome Stick, 3/8-24 in., Polished Mushroom Knob, 4L60E, Each
Part Number: LOK-ES4L60EFMP
Estimated Ship Date: Today
Estimated Ship Date: Today
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