Pinion Seal
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A pinion seal is located in the differential and prevents fluid leaking out past the pinion shaft. You may need a new pinion seal if you hear a whining noise while driving, or if you notice leaks or low fluid in your differential. Replacing the differential seal can assure that your differential has plenty of fluid, which can help it last the life of your vehicle. At O'Reilly Auto Parts, we have differential pinion seals available for most vehicle models. Check out our selection and find the right pinion seal for your repair.
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