1989 GMC K1500 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Yukon Gear & Axle Spider Gear Kits YPKGM8.25IFS-S

Spider Gear Kit, Open Differential, GM 8.25 in. IFS, 28 Spline, Kit

Part Number: YGA-16124

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885513 GM 8.5/8.6 in. 5.13 Gears

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Minimum Install Kits MK GM8.5

Ring and Pinion Gear Installation Kit, Minimum Installation Kit, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-12055

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Motive Gear Differential Pinion Shaft Lock Bolts 12337979

Differential Cross Shaft Bolt, Hex Head, Each

Part Number: MGR-12337979

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Hurst Ring and Pinion Sets 02-128 GM 8.875 in. (12-bolt) truck 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-128

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM9.5-456 GM 9.5 in. 4.56 Gears

USA Standard Ring & Pinion gear set for GM 9.5" in a 4.56 ratio

Part Number: SPZ-36226

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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USA Standard Gear Ring and Pinion Sets ZG GM9.5-411 GM 9.5 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 9.5 in., Chevy, GMC, Hummer, Saab, Rear, Set

Part Number: SPZ-36225

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-411 GM 9.5 in. 4.11 Gears

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.25-488R GM 8.25 in. IFS 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, Reverse Rotation, 1.625 in. Pinion, 30 Spline, GM 8.25 in. IFS, Set

Part Number: YGA-24155

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Yukon Gear & Axle Differential Clutch Sets YPKGM9.5-PC-14

Differential Clutch, Carbon Fiber Pack, Rear, Open, GM, 9.5 in., Set

Part Number: YGA-16058

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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USA Standard Gear Ring and Pinion Sets ZG GM8.25-456R GM 8.25 in. IFS 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Reverse Ring Gear Rotation, GM 8.25 in., IFS, Set

Part Number: SPZ-36208

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Ring and Pinion Sets GM10-456IFS GM 8.25 in. IFS 4.56 Gears

5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-323 GM 8.5/8.6 in. 3.23 Gears

Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-513 GM 8.5/8.6 in. 5.13 Gears

Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.25-342R GM 8.25 in. IFS 3.42 Gears

High performance Yukon Ring & Pinion gear set for GM 8.25" IFS Reverse rotation in a 3.42 ratio

Part Number: YGA-24488

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle 1541H Alloy Axles YA G15521928

Axle Shaft, Rear, C-clip, 33-spline, 1541H Alloy Steel, 33.250 in. Length, Chevy, GMC, Hummer, GM 9.5 in.,Each

Part Number: YGA-21425

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Ring and Pinion Sets 697-301 GM 8.5/8.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.5/8.625 in., Set

Part Number: RNB-697-301

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 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: Tomorrow

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Motive Gear Basic Ring and Pinion Gear Installation Kits R10RTPK

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Motive Gear Differential Pinion Gear Thrust Washers 3984818

WASHER PIN 8.5 GM 10 BOLT

Part Number: MGR-3984818

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Dorman Ring and Pinion Sets 697-303 GM 8.5/8.625 in. 4.10 Gears

Differential Ring And Pinion Set

Part Number: RNB-697-303

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM95373 GM 9.5 in. 3.73 Gears

Ring and Pinion Kit

Part Number: RMG-GM95373

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle 28 Spline Differential Carriers GM 8.25 Inch, IFS YC G26018131

Differential Carrier, Open Differential Style, 28-spline, Steel, Front, GM 8.25 in., IFS, Cadillac, Chevy, GMC

Part Number: YGA-20086

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK GM8.25IFS-A

Yukon Bearing install kit for 98 & down GM 8.25" IFS differential

Part Number: YGA-11065

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2020642 GM 8.5/8.6 in. 3.42 Gears

Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.42 Ratio

Part Number: SVL-2020642

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

USA Standard Gear Spider Gear Sets ZIKGM9.5-S-33

USA Standard Gear standard spider gear set for GM 9.5", 33 spline

Part Number: SPZ-39029

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today