121003 for Ford 2011-2025 F250/350/450/550 6.7L Fuel Filter Conversion Kit
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Fuel Filter Conversion Kit for Ford 6.7L
This fuel filter conversion kit, referencing OEM cross-reference 121003, replaces the factory filter housing on 2011-2025 Ford 6.7L Power Stroke diesel engines, simplifying future filter changes and improving filtration efficiency.
Overview
This 121003 fuel filter conversion kit replaces the stock filter assembly on 6.7L Ford diesel engines, converting to a more accessible spin-on style filter. It is designed for 2011-2025 F-Series Super Duty trucks, offering a practical upgrade for routine maintenance.
Built For Performance
- Direct replacement for the factory filter housing, eliminating the need for specialized removal tools.
- Utilizes a spin-on filter design for quicker and cleaner filter changes.
- Provides a secure seal to prevent fuel leaks and maintain consistent fuel pressure.
- Constructed with corrosion-resistant materials for long service life.
Fits These Machines
- for Ford F-250 2011-2025
- for Ford F-350 2011-2025
- for Ford F-450 2011-2025
- for Ford F-550 2011-2025
On-The-Job Use
- Suitable for routine oil and filter service intervals in heavy-duty work trucks.
- Ideal for fleet maintenance where quick turnaround on filter changes is critical.
- Applications include towing, hauling, and over-the-road driving where dependable fuel delivery is essential.
Specs At A Glance
| Part Number(s) | 121003 |
| Compatible Engine | Ford 6.7L Power Stroke Diesel |
| Filter Type | Spin-on conversion |
Good To Know
Q: Will this kit work with my 2021 F-350? A: The kit is designed to fit the 6.7L engine across the 2011-2025 model years, but confirm your truck's serial number and fuel system variant before ordering.
Q: What is the main benefit of converting from the factory cartridge filter? A: The spin-on conversion makes filter swaps faster and less messy, often saving significant service time without special tools.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.