--- product_id: 91960423 title: "National 4278 Differential Pinion Seal for Ford F-150" brand: "national" price: "€ 22.42" currency: EUR in_stock: true reviews_count: 13 category: "National" url: https://www.desertcart.hr/products/91960423-national-4278-differential-pinion-seal-for-ford-f-150 store_origin: HR region: Croatia --- # Withstands up to 400°F high heat Fits multiple Ford models 1999-2018 Spring-loaded multi-lip design for superior sealing National 4278 Differential Pinion Seal for Ford F-150 **Brand:** national **Price:** € 22.42 **Availability:** ✅ In Stock ## Summary > 🛡️ Seal the deal with National – where precision meets performance! ## Quick Answers - **What is this?** National 4278 Differential Pinion Seal for Ford F-150 by national - **How much does it cost?** € 22.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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 and reliability. - • **Unmatched Heat Resistance:** Operates flawlessly from -40°F to 400°F, ensuring durability under extreme conditions. - • **Advanced Multi-Lip Seal Design:** Spring-loaded lips provide superior fluid retention and leak prevention. - • **Precision Fit for Ford Vehicles:** Engineered to fit a wide range of Ford Transit and F-150 models for seamless installation. - • **Leak-Free Performance Guaranteed:** Proven to maintain integrity over 25,000+ miles, keeping your differential protected. ## Overview The National 4278 Differential Pinion Seal is a premium, spring-loaded multi-lip seal designed for Ford vehicles from 1999 to 2018. Built to withstand extreme temperatures from -40°F to 400°F, it ensures reliable, leak-free performance across a broad range of fluids. Trusted by professionals and backed by over 75 years of industry expertise, this seal delivers a perfect fit and long-lasting protection for your differential. ## 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 | #34,606 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Differential Seals | | Brand | National | | Brand Name | National | | Container Type | Bottle | | Customer Reviews | 4.5 out of 5 stars 197 Reviews | | Global Trade Identification Number | 00724956125289 | | Included Components | Multi Purpose Seal | | Item Form | Grease | | Item Weight | 0.02 Pounds | | Liquid Volume | 946 Milliliters | | Manufacturer | National | | Material | Fluoroelastomer | | Model Number | 4278 | | Number of Items | 1 | | Package Information | Bottle | | Part Number | 4278 | | Recommended Uses For Product | Automotive | | Specific Uses For Product | Automotive differentials | | 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 ### ⭐⭐⭐⭐⭐ Make sure you have the right part number. *by D***E on May 12, 2026* Did not fit. But my fault, I didn't know that there were early and late models. ## Frequently Bought Together - National 4278 Differential Pinion Seal for Ford F-150 - Valvoline FlexFill Full Synthetic SAE 75W-140 Gear Oil 1 QT Pouch --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/91960423-national-4278-differential-pinion-seal-for-ford-f-150](https://www.desertcart.hr/products/91960423-national-4278-differential-pinion-seal-for-ford-f-150) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-15*