Description
Product Overview
The Sixity Auto National Differential Pinion Seal delivers factory‑grade protection for the rear differential of a wide range of Ford F‑150 models. Constructed from a premium synthetic rubber compound, the seal resists heat, oil degradation, and abrasive particles. Its precise dimensions match the original equipment part number 2SW28WQNXE1KPN5FCKQJF3ED26, ensuring a seamless fit without the need for modifications. At just 2.72 ounces and measuring 4 x 4 x 0.75 inches, it is lightweight yet robust, providing a reliable barrier against fluid loss.
![[Product front view showing all components]](https://www.consolelife.store/wp-content/uploads/2026/06/c82e4259ac3d4372ad04ec05cd05dc03.jpg)
Usage
This seal is intended for the rear differential of Ford F‑150 trucks from 1999 through 2024, covering both standard and heavy‑duty configurations. Ideal for owners performing routine maintenance, professional mechanics, and off‑road enthusiasts who demand consistent performance under demanding conditions. Install the seal during differential service, rebuilds, or when you notice fluid leakage around the pinion gear.
Why Choose Us
Sixity Auto combines decades of automotive engineering expertise with rigorous quality control. Each seal undergoes dimensional testing and material analysis to meet OEM specifications. Our packaging includes original hardware and a fit‑confirmation guide, reducing installation errors. Backed by a responsive customer support team, we offer assistance for fit verification and post‑purchase inquiries.
Key Features
- Exact OEM dimensions guarantee a hassle‑free replacement
- High‑grade synthetic rubber resists heat and oil degradation for longer service life
- Lightweight design simplifies handling and installation
- Pre‑installed hardware ensures a secure fit on the first try
- Dedicated support team provides fit confirmation and technical help
FAQ
Will this seal fit my 2015 Ford F‑150?
Yes. The seal is compatible with Ford F‑150 model years 1999‑2024, including the 2015 version, as long as the rear differential is a standard configuration.
Do I need special tools to install the seal?
Standard seal installation tools such as a seal driver or a compatible press are recommended. The included hardware simplifies the process, but a basic mechanic’s tool set is sufficient.
How long will the seal last under normal driving conditions?
When installed correctly and maintained according to the vehicle’s service schedule, the seal typically lasts the lifetime of the differential, often exceeding 100,000 miles.
Is the seal covered by a warranty?
Yes. Sixity Auto provides a 12‑month limited warranty against manufacturing defects. Contact our support team with your purchase details for assistance.
Can I use this seal on a modified off‑road differential?
As long as the differential retains the original pinion housing dimensions, the seal will fit. For heavily modified housings, verify clearance before purchase.







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