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Why This Tire?
Specifications
| Brand | Mark Williams |
|---|---|
| Category | Engine |
| Manufacturer Part # | 57903 |
| Subcategory | Pinion Nuts |
| Category Group | Drivetrain Fastener Kits |
|---|---|
| Ai Subcategory | Pinion Nuts |
| Weight | 0.3 lbs |
Vehicle Compatibility
| Year | Make | Model | Trim |
|---|
Product Description
The Mark Williams Large Pinion Nut is a steel component with a zinc oxide finish, designed for 35 spline pinions in Ford 9 inch differentials. This nut secures the pinion gear in place, maintaining proper bearing preload and gear mesh. It is a critical fastener for the differential assembly.
Shipping & Returns
Fast Shipping
Standard delivery in 3-7 business days. Expedited options available.
30-Day Returns
Return unused items in original packaging for a full refund.
Questions & Answers
Check your vehicle owner's manual or the tire placard on the driver's side door jamb for the recommended tire size. You can also use our vehicle fitment tool at the top of the page to confirm compatibility. If you're unsure, our support team is happy to help you find the right fit.
We offer a 30-day return policy on unused, unmounted products in their original packaging. Simply contact our support team and we'll provide a prepaid return label. Refunds are processed within 5-7 business days of receiving the returned item. Mounted or used tires are not eligible for return.
We ship directly to your door or to your preferred local tire shop for installation. Most local tire shops offer mounting and balancing for $15-$25 per tire. Just provide your installer's address at checkout and we'll ship right to them.
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