---
product_id: 91960423
title: "National 4278 Differential Pinion Seal for Ford F-150"
brand: "national"
price: "707014₫"
currency: VND
in_stock: true
reviews_count: 11
category: "National"
url: https://www.desertcart.vn/products/91960423-national-4278-differential-pinion-seal-for-ford-f-150
store_origin: VN
region: Vietnam
---

# Withstands up to 400°F Fits 2015-2018 Ford Transit & F-150 models Spring-loaded multi-lip design National 4278 Differential Pinion Seal for Ford F-150

**Brand:** national
**Price:** 707014₫
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal the deal with confidence—because your Ford deserves the best!

## Quick Answers

- **What is this?** National 4278 Differential Pinion Seal for Ford F-150 by national
- **How much does it cost?** 707014₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/91960423-national-4278-differential-pinion-seal-for-ford-f-150)

## Best For

- national enthusiasts

## Why This Product

- Trusted national brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Industry Leader:** Backed by National’s 75+ years of premium sealing innovation, delivering proven durability and peace of mind.
- • **Advanced Multi-Lip Seal Design:** Spring-loaded technology guarantees superior sealing against leaks, protecting your differential with lasting reliability.
- • **Extreme Temperature Resilience:** Operates flawlessly from -40°F to 400°F, built to endure the harshest driving conditions without compromise.
- • **Precision Fit for Ford Vehicles:** Engineered to perfectly match multiple Ford Transit and F-150 models, ensuring seamless installation and optimal performance.
- • **Fluid Compatibility for Versatility:** Compatible with a wide range of automotive fluids, making it the go-to seal for diverse repair needs.

## Overview

The National 4278 Differential Pinion Seal is a premium, spring-loaded multi-lip seal designed for select Ford Transit and F-150 models (2015-2018). Engineered to withstand extreme temperatures from -40°F to 400°F and compatible with various automotive fluids, it ensures leak-free, reliable differential protection. Trusted by professionals and backed by over 75 years of National’s sealing expertise, this seal delivers precision fit and long-lasting performance for your vehicle’s drivetrain.

## Description

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today's vehicles.

Review: Old Guy - Perfect fit for my ford pick up pinion seal.
Review: worked as it should - worked as it should. no leaks for 25k+ miles

## Features

- COMPATIBILITY – Fits 2015-2018 Ford Transit-150; 2015-2018 Ford Transit-250; 2015-2018 Ford Transit-350; 2015-2018 Ford Transit-350 HD; 2004-2004 Ford F-150 Heritage; 1999-1999 Ford E-150 Econoline; 2000-2000 Ford E-150 Econoline; 2001-2002 Ford E-150 Eco
- GET THE RIGHT PART -- Before purchasing, please check the “desertcart Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “desertcart Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase
- Design type: spring loaded; multi-lip
- Temperature range: -40°F to 400°F / -40°C to 204°C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000C5J0U4 |
| Best Sellers Rank | #59,504 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Differential Seals |
| Brand Name | National |
| Container Type | Bottle |
| Customer Reviews | 4.5 4.5 out of 5 stars (188) |
| Global Trade Identification Number | 00724956125289 |
| Included Components | Multi Purpose Seal |
| Item Form | Grease |
| Item Weight | 0.02 Pounds |
| Liquid Volume | 946 Milliliters |
| Manufacturer | National |
| Recommended Uses For Product | Automotive |
| UPC | 724956125289 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 400 Degrees Fahrenheit |

## Product Details

- **Brand:** National
- **Item Weight:** 0.02 Pounds
- **Liquid Volume:** 946 Milliliters
- **Package Information:** Bottle
- **Recommended Uses For Product:** Automotive

## Images

![National 4278 Differential Pinion Seal for Ford F-150 - Image 1](https://m.media-amazon.com/images/I/712YEXhMTvL.jpg)

## Questions & Answers

**Q: Whats the id and od for this?**
A: Thank you for your inquiry. The National Pinion Seal 4278 fits a shaft diameter of 1.812" and the seal OD is 3.096"

**Q: Does this fit a 1968 ford 8 inch? Thanks**
A: Thank you for the question.  Sorry, the National 4278 is not cataloged for this year model vehicle.  Additional vehicle information is needed. Please follow catalog listings including fitment notes to determine correct application.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Old Guy
*by O***Y on September 14, 2025*

Perfect fit for my ford pick up pinion seal.

### ⭐⭐⭐⭐⭐ worked as it should
*by B***D on March 4, 2026*

worked as it should. no leaks for 25k+ miles

### ⭐⭐⭐⭐⭐ Review
*by A***O on March 4, 2026*

Bien.

## Frequently Bought Together

- National 4278 Differential Pinion Seal for Ford F-150
- Valvoline FlexFill Full Synthetic SAE 75W-140 Gear Oil 1 QT Pouch

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**Shop now:** [https://www.desertcart.vn/products/91960423-national-4278-differential-pinion-seal-for-ford-f-150](https://www.desertcart.vn/products/91960423-national-4278-differential-pinion-seal-for-ford-f-150)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-24*