Summit Racing SpeedCard - learn how to get 10% back up to $100

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ACDelco GM Genuine Parts Speedometer Gears

4.78 out of 5 stars 63 Customer Reviews

ACDelco GM Genuine Parts speedometer gears engage your vehicle for an accurate measurement of speed. These durable plastic gears help to calibrate your speed when changes like smaller tires, bigger tires, or changes in ring and pinion ratios throw your speedometer off. How fast are you going? You'll read your vehicle's true speed with replacement speedometer gears from ACDelco.

Results 1 - 2 of 2

Speedometer Gear, Driven 19-Tooth, Nylon, White, GM, Muncie, Powerglide, Saginaw, TH350, Each

Part Number: ADO-3987919

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Speedometer Gear, Driven 21-Tooth, Nylon, Red, GM, Muncie, Powerglide, Saginaw, TH350, Each

Part Number: ADO-3987921

4.47 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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