GMC K2500 USA Standard Gear Differential & Rear-End Components

Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

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Estimated Ship Date: Monday 1/12/2026

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4340 Chromoly Axle, '79-'87 GM Truck & Blazer, RH inner, 28spl, uses 5-760X u/joint

Part Number: SPZ-35087

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Estimated Ship Date: Jan 27, 2026 if ordered today

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4340 Chromoly axle shaft, left hand inner for '79-'87 GM, 35.46", uses 5-760X u/joint

Part Number: SPZ-35088

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: SPZ-39027

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: SPZ-39029

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Estimated Ship Date: Jan 27, 2026 if ordered today

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USA Standard Gear standard spider gear set for GM 10.5" 14 bolt truck

Part Number: SPZ-39022

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Estimated Ship Date: Monday 1/12/2026

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Ring and Pinion, Installation Kit, Dana 44, Kit

Part Number: SPZ-58036

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Estimated Ship Date: Jan 26, 2026 if ordered today

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8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Differential Rebuild Kits, USA Standard Pinion installation kit for D44 Front

Part Number: SPZ-60022

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, Dana 44, 30-spline, Chevy, Dodge, Ford, GMC, International, Isuzu, Jeep, Kit

Part Number: SPZ-39006

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for GM 9.25 IFS

Part Number: SPZ-39042

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Estimated Ship Date: Jan 26, 2026 if ordered today

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USA Standard mini spool for Dana 44 with 30 spline axles

Part Number: SPZ-59021

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Estimated Ship Date: Jan 26, 2026 if ordered today

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