About Us
Your Partner in Diesel Filtration — Quality That Keeps America Moving
Since 2009, iFJF has been dedicated to one mission: delivering premium fuel, oil, and air filters that American truck and heavy equipment owners can rely on — at prices that make sense. Every product we ship reflects over two decades of engineering discipline, manufacturing precision, and real-world cross-border experience.
From FJF to iFJF — A Legacy of Precision Manufacturing
Our roots trace back to November 2009, when the FJF brand was founded with a single-minded focus on precision manufacturing. As e-commerce reshaped global trade, we recognized that hardworking diesel owners around the world deserved direct access to factory-quality filtration — without the distributor markup. In 2017, FJF evolved into iFJF, purpose-built for the digital age.
Today, our team brings together over 20 years of combined R&D and manufacturing expertise across an unusually broad set of disciplines: mold engineering, filter design and production, software development, and smart device R&D. This rare combination of skills is what allows us to control quality from raw material to finished product — and to build technical advantages directly into everything we make.
What Makes iFJF Different
We're not a trading company. We're not a generic factory. We're a vertically integrated manufacturer with capabilities that span the entire product lifecycle — from concept to customer.
Full-Stack Manufacturing, All In-House
Our own mold workshop handles plastic and die-casting tooling. Our production floor runs injection molding machines, die-casting equipment, and dozens of CNC machining centers. And our in-house hardware and software engineering teams give us deep customization capabilities in smart devices and electronics — meaning we build technical advantages into products, not just resell someone else's.
Battle-Tested Cross-Border Expertise
With over 10 years of hands-on experience selling on Amazon, eBay, AliExpress, and independent storefronts, we understand what moves the needle in Western markets. We know what American truck owners search for, what they compare, and what makes them click "buy." That market insight feeds directly into how we source, manufacture, and position every product — helping our partners launch smarter and sell faster.
Precision QC, Proven Equipment
Quality isn't a slogan — it's measurable. We verify every batch with coordinate measuring machines (CMM), optical emission spectrometers, and flaw detectors. From 3D-printed rapid prototypes to full SMT production runs, every step is instrumented, inspected, and documented.
Certified to Global Standards
IATF 16949:2016 — Automotive Quality Management System | ISO 9001:2015 — Quality Management System
Trusted by Thousands on Amazon
With nearly a decade of selling on Amazon and a flagship storefront at amazon.com/ifjf, iFJF has earned the trust of diesel owners, fleet managers, and DIY mechanics across the United States.
3,281 Ratings & Counting — 4.9 out of 5 Stars
- 92% 5-Star Reviews — the highest possible rating from thousands of verified purchasers
- Consistent Excellence — 4.9★ over the last 12 months (290 ratings), 5.0★ in the last 90 days (62 ratings)
- 0% 1-Star / 2-Star Reviews — zero critical failures reported
What Our Customers Say:
"Arrived when promised. Quality product, nice and sturdy. Fit perfect and easy to install."
— Amazon Customer, May 2026
"Everything matched up and fit well."
— Raymond Snyder, June 2026
"This fuel filter assembly fit our Kubota with no issues. The price is reasonable."
— S. Diane Dorsey, June 2026
"Killer Value"
— Tweakes182, Verified Purchase
"A good value."
— EHM, Verified Purchase
What We Carry
iFJF Direct stocks a comprehensive range of filtration products engineered for the platforms that power American roads, farms, and job sites:
- Fuel Filters — Fuel/water separators, spin-on and cartridge-style filters for Cummins, Powerstroke, Duramax, CAT, and more
- Oil Filters — High-efficiency lube filters for diesel and gasoline engines across light-duty, medium-duty, and heavy-duty applications
- Air Filters — Engine air filters and cabin air filters designed to protect your engine and your lungs
- CCV / Crankcase Filters — Crankcase ventilation filters for emissions-compliant diesel platforms
- Marine & Boat Filters — Fuel/water separators and filters purpose-built for marine environments
Built by Engineers, Trusted by Professionals
Our team brings together expertise in filtration engineering, diesel powertrain technology, and global supply chain management. We understand the technical demands of modern diesel engines — from the tight tolerances of a 6.7L Powerstroke to the relentless duty cycles of a CAT C15 — and we design our product lineup to meet those demands head-on.
For Wholesale & Private Label Partners
Looking for a reliable filtration supplier? iFJF supports wholesale buyers and private label importers with:
- Competitive bulk pricing with volume discounts
- Consistent product quality backed by documented QC processes
- On-time delivery with transparent logistics tracking
- Custom packaging and labeling available for qualified partners
Visit our Wholesale page or reach out directly — we're always open to building new partnerships.
Get in Touch
We're here to help — whether you need a cross-reference for your truck's filter, have a question about an order, or want to discuss wholesale opportunities.
Email: support@ifjf.net
Phone: +86 186-0666-5333
Hours: Monday – Friday, 9:00 AM – 5:00 PM (CST)
Warehouse: Room 202, Building 12, Linan Logistics Park Phase I, Xinwu Economic Development Zone, Anhui 241000, China
Our Company Structure
iFJF Direct is operated by Wuhu Youfan Auto Parts Co., Ltd. (parent company, IATF 16949 & ISO 9001 certificate holder) and its e-commerce subsidiary Wuhu Tianhao E-commerce Co., Ltd. Together we handle manufacturing, quality control, and global distribution \u2014 so you get factory-direct pricing with enterprise-grade reliability.