Description
Product Overview
The Kmesonoxian Differential Pinion Seal is a front outer seal designed specifically for Ford F‑250, F‑350, F‑450, and F‑550 Super Duty trucks model years 2013‑2018. Manufactured by Kmesonoxian, this seal features a painted exterior that resists corrosion and wear in harsh environments. The part number KSX51021EUVE1A16514 matches the original equipment specification, ensuring a perfect fit and optimal sealing performance. Its robust construction helps maintain differential fluid pressure, reducing the risk of leaks and extending the service life of your drivetrain.
![[Product front view showing all components]](https://www.consolelife.store/wp-content/uploads/2026/06/da1c38128e294ee4b90e033b76feb9b4.jpg)
Usage
Ideal for heavy‑duty applications, this seal is suited for off‑road work, towing, and daily driving where the differential is exposed to dust, water, and high temperatures. Install the seal when replacing a worn component or during routine maintenance to keep your differential protected. It is compatible with the front outer position of the differential housing, making it a straightforward replacement for mechanics and DIY enthusiasts alike.
Why Choose Us
Kmesonoxian is known for precision engineering and rigorous quality control. Each seal undergoes dimensional testing to meet OEM tolerances, guaranteeing a leak‑free fit. The painted coating adds an extra layer of protection against rust and chemical exposure. Backed by a responsive customer support team, we offer assistance for fit verification and installation guidance, ensuring confidence in every purchase.
Key Features
- Exact OEM fit for 2013‑2018 Ford Super Duty models eliminates guesswork.
- Painted exterior resists corrosion, extending seal lifespan in harsh conditions.
- Durable rubber compound maintains elasticity, preventing fluid leaks.
- Easy installation with standard tools reduces service time.
- Dedicated support team provides fit confirmation and post‑sale assistance.
FAQ
Does this seal fit the 2015 Ford F‑350 Super Duty?
Yes, the seal is compatible with the 2013‑2018 model range, including the 2015 F‑350.
What is the recommended torque for installing the seal?
Follow the vehicle’s service manual; typically, the differential housing bolts are torqued to 80‑90 Nm.
Can I install this seal myself?
Yes, the seal is designed for straightforward replacement with basic hand tools and a seal puller.
Is the painted coating safe for differential fluid?
The paint is formulated to be chemically compatible with standard differential oils and does not affect performance.
What warranty does Kmesonoxian provide?
The seal comes with a 12‑month limited warranty covering manufacturing defects.






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