1979 GMC K2500 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

QuickTime 168-Tooth Flexplate RM-902

Flexplate, 168 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-902

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Timken Transmission Shift Shaft Seals 240735

SEAL

Part Number: TMK-240735

Not Yet Reviewed

Estimated Ship Date: Today

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Hays Street 650 Clutch Conversion Kits 92-1103

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Lever, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1103

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Richmond Gear Full Spools 81-1030-1

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: Today

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Spicer Drivetrain Products Pinion Oil Slingers and Baffles 13575

Outer Pinion Bearing Oil Slinger, Dana 30, Dana Super 30, Dana 25, Dana 27, Dana 44, Front, Rear, Each

Part Number: SDH-13575

Not Yet Reviewed

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Yukon Gear & Axle Differential Pinion Nuts YSPPN-014

Differential Pinion Nut, 15/16 in.-16 Thread, Steel, GM 10.5 in. (14-bolt), 1 1/2 in. Socket, Each

Part Number: YGA-33148

Not Yet Reviewed

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-308 GM 8.5/8.6 in. 3.08 Gears

Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24492

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TCI PRO-X TH400 Center Support Rings 223603

TCI PRO-X TH400 Center Support Rings 223603

PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Motive Gear Master Ring and Pinion Installation Kits RA28LRARBTMK

Ring and Pinion Installation Kit, Master Kit, Dana 44, Chevy, Dodge, Ford, GMC, Jeep, Kit

Part Number: MGR-RA28LRARBTMK

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts MG1775

Axle, Direct Fit, Rear, 1541 Carbon Steel, 30-Spline, Chevrolet, GMC, Each

Part Number: MGR-MG1775

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 8.5 Inch GT201028

Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Timken Manual Transmission Input Shaft Seals 482208

SEAL

Part Number: TMK-482208

Not Yet Reviewed

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Yukon Gear & Axle Crosspins and Shafts YP MINSXGM8.5

Cross Shaft, Differential, Steel, GM 8.5 in., with Mini-Spool, Each

Part Number: YGA-32238

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Motive Gear Ring and Pinion Sets D44-456GX Dana 44 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, Dana 44, Set

Part Number: MGR-D44-456GX

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM105456TK GM 10.5 in. (14-bolt) 4.56 Gears

Ring and Pinion Kit

Part Number: RMG-GM105456TK

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

National Bearing Differential Bearings LM501349

Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Yukon Gear & Axle Ring and Pinion Sets YG D44-538 Dana 44 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: YGA-24045

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM105513TK GM 10.5 in. (14-bolt) 5.13 Gears

Ring and Pinion Kit

Part Number: RMG-GM105513TK

Not Yet Reviewed

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Timken Differential Pinion Seals 722109

Axle Spindle Seal, Each

Part Number: TMK-722109

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Yukon Gear & Axle Axle Drive Flanges YHC50002

Yukon hardcore drive flange kit for Dana 44, 30 spline outer stubs. Non-engraved caps.

Part Number: YGA-29066

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

South Bend Clutch Stage 2 Daily Driver Clutch Kits K04504-HD-O

Clutch Kit, Stage 2 Daily Driver, Single, 1.130 in. - 26-spline, Organic Disc, Pressure Plate, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SBB-K04504-HD-O

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Motive Gear Differential Bearing Kits R14R

Ring and Pinion Bearing Kit; Bearing Kit; GM 10.5 in. 1st Design; Incl. F/R Pinion-Carrier-Pilot Bearings/Pini

Part Number: MGR-R14R

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Fidanza Billet Aluminum 168-Tooth Flywheel 198681

Flywheel, Aluminum, 13.5 lbs., Chevy, Each

Part Number: FIZ-198681

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

ATP Automatic Transmission Inline Filter Kits IL-150

Automatic Transmission Filters, Remote Mount, ATP Automatic Transmission Inline Filter Kits, 5/16 in. Diameter Lines, Sold as a Kit

Part Number: ATP-IL150

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM14T-538T GM 10.5 in. (14-bolt) 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36188

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today