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

Richmond Gear EXCel Ring and Pinion Sets D44354 Dana 44 3.54 Gears

Ring and Pinion Kit

Part Number: RMG-D44354

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

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

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

USA Standard Gear Ring and Pinion Sets ZG D44-354 Dana 44 3.54 Gears

Ring and Pinion Gears, 3.54:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36039

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

Dorman Pinion Yokes 697-543

Pinion Yoke, Bolt-on, 26-spline, Steel, 3.03 in. Overall Length, AMC, Chevrolet, Dodge, Ford, GMC, International, Isuzu, Jeep, Peterbilt, Volvo, Each

Part Number: RNB-697-543

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

Motive Gear Ring Gear Bolts PB179-2-L

RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

Not Yet Reviewed

Estimated Ship Date: Today

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Hays Twister Full Race 3,200-3,600 Stall Torque Converter 97-1D32F

Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D32F

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

RAM Concept 10.5 Dual-Disc Metallic Clutch Kits 50-2120N

RAM Concept 10.5 Dual-Disc Metallic Clutch Kits 50-2120N

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2120N

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

Need It Sooner? We recommend these similar substitute parts:

McLeod RXT Street Twin Clutch Kits 6921-04

5 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Hays Twister Full Race 2,800-3,200 Stall Torque Converter 97-1D28F

Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D28F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Richmond Gear Spools and Mini Spools 81-1033-1

Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel

Part Number: RMG-81-1033-1

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

Yukon Gear & Axle Grizzly Lockers Dana 44 YGLD44-3-30

Grizzly Locker, Dana 44, 30 Spline, 3.73 and Down, Each

Part Number: YGA-28021

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dura-Bond Automatic Transmission Bushings 44034TG

Transmission Bushing, Actual OD - 2.0035; Length - 0.605; Max Wall - 0.0622

Part Number: DUR-44034TG

Not Yet Reviewed

Estimated Ship Date: Today

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Motive Gear Differential Pinion Shims 1104

Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Hays Street 650 Clutch Conversion Kits 92-1005

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac

Part Number: HAY-92-1005

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

Pioneer Automatic Transmission Kickdown Cables CA-1981

Automatic Transmission Kickdown Cable, Black Plastic Jacket, 43.70 in. Length, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: PIO-CA-1981

Not Yet Reviewed

Estimated Ship Date: Today

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Yukon Gear & Axle U-Joint Strap Kits YY STR-008

U-Joint Straps, Mechanics 3R Style, Differential Location, GM 7.5 in., GM 7.625 in., GM 8.5 in., Each

Part Number: YGA-41201

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Yukon Gear & Axle Differential Carrier Replacement Parts YZLASH-03

SEAL HOUSING FOR Dana 44, ZIP LOCKER.

Part Number: YGA-34013

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

Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5 Inch YC G26010481-XHD

Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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

Richmond Gear Cross Pins and Shafts CSPGM85

Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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QuickTime Lightweight Performance 153-Tooth Flexplate RM-901

Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-901

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Gear Installation Kits XL-1033-1

Ring and Pinion Kit

Part Number: RMG-XL-1033-1

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

Powertrax Grip Pro Traction Systems GM 10.5 Inch GT231430

Differential Carriers, Grip Pro Traction System, 30 Spline, 10.5 in. GM, Each

Part Number: PWT-GT231430

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA D660276-1

Axle Shaft, Front Inner, Driver Side, 1541H Alloy Steel, 28-spline, GM 8.5 in., Each

Part Number: YGA-21122

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

Powertrax Replacement Active Spacers 624004SDG2

Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

SVL Drivetrain Products Differential Carrier Rebuild Kits and Spider Gears 10020478

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

Part Number: SVL-10020478

Not Yet Reviewed

Estimated Ship Date: Today

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B&M Holeshot 3,400-3,800 Stall Torque Converter 20425

Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

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