1981 CHEVROLET K20 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Yukon Gear & Axle Spider Gear Kits YPKGM9.5-P-33

Spider Gears, Side Gears, Cross Shaft Pin, Eaton Posi Carrier Style, Rear, GM 9.5 in., 33-spline, Kit

Part Number: YGA-16057

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

Yukon Gear & Axle Spider Gear Kits YPKGM9.5-S-33

Spider Gear Kit, Open Differential, GM 9.25 in./9.5 in., 33 Spline, Kit

Part Number: YGA-16060

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

Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5/8.6 Inch YC GM8.5-DG-3

Yukon Dura Grip case, GM 8.5" & 8.6", 2.73 & up

Part Number: YGA-20107

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

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKGM9.5-P-33-DG

9.5" GM DURA GRIP_ONLY!!, POSI SPIDER SET (No_clutches)

Part Number: YGA-16166

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

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: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle 4340 Chromoly Axles YA W24120

Yukon front 4340 Chromoly axle kit for '79-'87 GM 8.5" 1/2 ton truck and Blazer

Part Number: YGA-21326

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

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-036

9.5 Standard Open Pinion gear Thrust Washer.

Part Number: YGA-33374

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

Yukon Gear & Axle Full Spools YP FSGM8.5-30

Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles

Part Number: YGA-32193

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

Yukon Gear & Axle Crosspins and Shafts YSPXP-034

Differential Cross Shaft, Steel, Each

Part Number: YGA-33402

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 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 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-GM8.5

Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 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 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK020 GM 10.5 in. (14-bolt) Dana 60 4.88 Gears

This is a complete package that includes front & rear ring & pinion sets along with the most complete master o

Part Number: SPZ-40017

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Eaton Master Differential Installation Kits K-GM9.5-96

Ring and Pinion Installation Kit, GM 9.5 in., Rear, Chevrolet, GMC, Kit

Part Number: ETN-K-GM95-96

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

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: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Spicer Drivetrain Products Performance Full Spools 2022498

Performance Spool Gm 10.5" 14 Bolt 30 Spline (4.10 And Down)

Part Number: SDH-2022498

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 1541H Alloy Axles YA BFF35-40-ND

Axle Shaft, 35-Spline, 40 in. Length, Rear, Dana 60, Chevy, GMC, Jeep, Plymouth, Each

Part Number: YGA-21005

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM14T-3-30

Spool, Full, Steel, 30-spline, 14-bolt, GM 10.5 in., 4.10 Gear Ratio and Down, Each

Part Number: YGA-32048

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Crosspin Bolts YSPBLT-063

9.5" & 9.25IFS GM X/PIN BOLT, STD & G/L, M10x1.5 THREAD

Part Number: YGA-33342

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-045

14T 10.5" GM S/G T/W

Part Number: YGA-33383

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1, GM, 8.5 in., 8.6 in., Set

Part Number: SPZ-36346

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

USA Standard Gear Spider Gear Sets ZIKGM8.5-S-30

USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Richmond Gear EXCel Spline Differential Carrier Cases GM 9.25 Inch, IFS XL-5055

Differential Carrier

Part Number: RMG-XL-5055

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