1981 GMC K1500 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

USA Standard Gear Spools and Mini Spools ZP MINSGM8.5-28

8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKGM8.5-HD

8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58050

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630102

Axle 8.5" GM REAR, '81-'88 TRK31-1/2", 4WD, 28spl, 6 LUG, 2.53" OD BRG (1559), 1 SIDE

Part Number: SPZ-11917

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

South Bend Clutch Stage 1 Heavy-Duty Clutch Kits K04049-HD

CLUTCH KIT, K04049-HD, STAGE 1 HD, 1979-1984 Chevrolet 4.1L Except 4-Spd.

Part Number: SBB-K04049-HD

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

South Bend Clutch Clutch Kits K04049-HD-O

CLUTCH KIT, K04049-HD-O, STAGE 2 DAILY, 1979-1984 Chevrolet 4.1L Except 4-Spd.

Part Number: SBB-K04049-HD-O

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

South Bend Clutch Clutch Kits K04049-HD-TZ

CLUTCH KIT, K04049-HD-TZ, STAGE 2 ENDURANCE, 1979-1984 Chevrolet 4.1L Except 4-Spd.

Part Number: SBB-K04049-HD-TZ

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

South Bend Clutch Clutch Kits K04049-HD-DXD-B

CLUTCH KIT, K04049-HD-DXD-B, STAGE 2 DRAG, 1979-1984 Chevrolet 4.1L Except 4-Spd.

Part Number: SBB-S0300

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Yukon Gear & Axle U-Joints YP SJ-297X-202

U-Joint, Front Axle, Spicer 1310-WJ, GM 8.5, Dana 30, Dana 44, Greasable, Chromoly, Pair

Part Number: YGA-32082

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

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-513 GM 8.5/8.6 in. 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24163

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

Yukon Gear & Axle Ring and Pinion Sets YG GM12T-513 GM 12 in. 5.13 Gears

High performance Yukon Ring & Pinion gear set for GM 12 bolt truck in a 5.13 ratio

Part Number: YGA-24463

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 Ten Factory Axle Shafts MG20440

Axle Shafts, Ten Factory, Front Left Inner , 4340 Chromoly, Cut to Fit, 22.00 Length, Dana 44, Each

Part Number: MGR-MG20440

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-208 GM 8.5/GM 8.875 in. (12-bolt) truck 4.11 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-208

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

USA Standard Gear Axle Shafts ZA W24118

GM 8.5" 28spl 4340 FRONT AXLE KIT, w/ 297X, 79-87 1/2TON TRK & BLAZER

Part Number: SPZ-35064

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630105

Axle 12T GM REAR, '70-81' TRK, 4WD, 31-7/16", 30spl, 6x5.5", 2.53" OD BRG (1559), 1 SIDE

Part Number: SPZ-11920

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

USA Standard Gear Axle Shafts ZA W24120

GM 8.5" 28spl FRONT AXLE KIT, w/ Super-Joint, 79-87 1/2TON TRK & BLAZER (ASSM_REQ)

Part Number: SPZ-35130

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Dorman Ring and Pinion Installation Kits 697-105

Ring and Pinion Bearing Installation Kit

Part Number: RNB-697-105

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

Dorman Ring and Pinion Gear Installation Kits 797-105

Premium Ring And Pinion Master Bearing And Installation Kit

Part Number: RNB-797-105

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

Dorman Ring and Pinion Gear Installation Kits 797-100

Premium Ring And Pinion Master Bearing And Installation Kit

Part Number: RNB-797-100

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

Spicer Drivetrain Products Axle Shafts 10007808

Chromoly Front Axle Shaft - Inner (Dana 60) RH

Part Number: SDH-10007808

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dana Spicer Drivetrain Products Spools and Mini Spools 10015373

Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Carrier Bearings 10038960

STANDARD AXLE DIFFERENTIAL BEARING AND SEAL KIT - GM 8.875 AXLE - 12 BOLT TRUCK

Part Number: SDH-10038960

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

TCI Auto Automatic Transmission Cases 210002

TCI Auto Automatic Transmission Cases 210002

CASE, TH-400 REID SFI

Part Number: TCI-210002

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 10004683 GM 8.875 in. (12-bolt) truck 4.56 Gears

Differential Ring and Pinion; GM 12 Bolt 8.875 - Thick Gear, 4.56 Ratio

Part Number: SVL-10004683

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 224512

TH400 INT STEEL .063" (5)

Part Number: TCI-224512

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 224712

TH400 FWD KOL .063" (7)

Part Number: TCI-224712

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today