Availability
BUICK Transmission & Drivetrain
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
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Master Repair Kit, Automatic Transmission, TH350, TH350C, Kit
Part Number: ATP-SM9
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, 28/30 Spline Pinion, Kit
Part Number: RMG-83-1026-1
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Transmission Dipstick, Braided Stainless Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each
Part Number: LOK-XTD-3400TM
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Installation Kit, Master Overhaul, GM 7.5 in., Kit
Part Number: YGA-14076
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Wheel Bearing and Hub Assemblies, Steel, Natural, Rear, GM, Each
Part Number: ADO-13543412
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Torque Converter, GM 4T65E JZFM 99-11 Convtr
Part Number: CCV-TQBU90
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: RMG-81-1030-1
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Transmission Dipstick, Braided Stainless Steel, Natural, TH350, Each
Part Number: MIL-22110
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
PLANET REBUILD KIT HD
Part Number: SOX-28922-01HDK
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set
Part Number: RNB-697-810
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, GM, 200-4R, Kit
Part Number: LOK-XKD-2200RHT
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Flexplate, 153 Tooth, Internal Balance, 1-Piece Rear Main Seal, Steel, Chevy, Each
Part Number: QTI-RM-925
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Transmission Upgrade Kit, Trans-Scat, Chevy, Buick, Oldsmobile, Pontiac, GMC, TH350, Each
Part Number: TCI-350000
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit
Part Number: LOK-KD-2350TP
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75342TK
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Gear, Ring and Pinion, 4.56:1 Ratio, GM 7.5/7.625 in., Set
Part Number: RNB-697-719
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Specialty Components, 6T30-80 Pulse Dampener Accumulator Tool Kit (accumulators sold separately)
Part Number: TRG-6T-PDP-TKC
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Retainer, Front Bearing Retainer, GM, Richmond 6-Speed
Part Number: RMG-8622911
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
12P, 12T, CI VET, & 55GM 8460N REDI sleeve yoke saver
Part Number: YGA-30225
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Axle Shaft, 30-spline, 30.375 in. Length, Rear, GM 8.5 in., GM 8.6 in., Chevy, Each
Part Number: SPZ-35107
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
STANDARD DIFF BEARING & SEAL KIT - 1999-2008 MODEL YEARS WITH GM 8.5 & 8.6 AXLE
Part Number: SDH-10038956
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Clutch Disc, Organic, 1 1/8 in. Diameter Shaft, 26-Spline, 10.5 in. Diameter Disc, Buick, Chevy, Pontiac, Each
Part Number: RAM-309M
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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