Factory-Direct Diesel Filtration for American Trucks, Boats & RVs
Save 30-50% vs Dealership — IATF 16949 Certified Manufacturer
- 🏭 20+ Years Manufacturing
- 📋 IATF 16949 Certified
- ⭐ 4.9★ on Amazon (3,200+ Reviews)
- 💰 Factory-Direct Pricing
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Why Choose iFJF Direct?
More than a store — we're the manufacturer.
Factory Direct
No middleman markup. We design, manufacture, and ship from our own facility. Since 2009.
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IATF 16949 & ISO 9001
Automotive-grade quality certified. Same standards trusted by global OEM manufacturers.
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4.9★ on Amazon
3,200+ verified reviews from diesel & RV owners who trust our quality and value.
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Shop by Engine
Find the right diesel filter for your truck — Duramax, Cummins, or Powerstroke
Duramax 6.6L
Chevrolet Silverado & GMC Sierra
2500HD/3500HD · 2001–2024
23 Products2500HD/3500HD · 2001–2024
Cummins 6.7L
Ram 2500/3500/4500/5500
2007.5+ · RV Generators
38 Products2007.5+ · RV Generators
Powerstroke
Ford F-250 to F-550 Super Duty
7.3L / 6.0L / 6.4L / 6.7L · 1995–2022
7 Products7.3L / 6.0L / 6.4L / 6.7L · 1995–2022
Maintenance Guides & Tips
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, by iFJF Direct Ball joint removal/install on 2018 ram 4500/5500 diesel.
The ball joints on a 2018 Ram 4500 or 5500 are no joke. They are big, they are stout, and because they sit at an...
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, by iFJF Direct Cummins Onan RV Generator Fuel Pump & Filter: 149-2341-01 Replacement Guide
Why Your Onan RV Generator Needs Regular Fuel System Maintenance Your Cummins Onan RV generator is the heartbeat of off-grid power — whether you're running...
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, by iFJF Direct How to Install Duramax LB7 Injectors
How to Replace Fuel Injectors on Duramax LB7 – Complete DIY Guide 📅 July 9, 2026 ⏱️ 25 min read 🔧 Difficulty: Advanced 🚛 2001–2004...
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, by iFJF Direct Diesel Fuel Filter Replacement: The Complete Guide for Cummins, Powerstroke & CAT Engines
Complete diesel fuel filter replacement guide covering Cummins 5.9L/6.7L/ISX, Ford 6.0L/6.4L/6.7L/7.3L Powerstroke, and CAT C7/C13/D4E/D6H engines. Step-by-step DIY intervals, torque specs, tools, OEM cross-references, and...
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, by iFJF Direct HOW TO REPLACE BROKEN SWIMMING POOL VACUUM HOSE CUFF
A cracked or broken swimming pool vacuum hose cuff — the fitting that connects your vacuum hose to the skimmer or pump — is one...
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, by iFJF Direct Complete Onan Quiet Diesel RV Generator Tune-Up: The 3-Filter Maintenance Kit Guide (Fuel + Oil + Air)
Complete tune-up guide for Cummins Onan Quiet Diesel RV generators. Covers the 3-filter maintenance kit: 149-2513 fuel filter, 122-0833 oil filter, 140-2897 air filter. Service...
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Browse All ProductsWhat Our Customers Say
4.9★ average from 3,200+ verified reviews — Real feedback from real customers
Powerstroke Oil Filter
★★★★★
OEM quality without OEM price
"Been using these on my 2015 F350 6.7L for 3 oil changes now. Cut open the first one after 5K miles — filter media was intact and clean. No bypass valve issues."
— Dave H.✓ Verified
Fuel Filter — Cat / Cummins
★★★★★
Fleet-tested, fleet-approved
"We run 12 trucks with Cummins ISX engines. Switched to iFJF filters 6 months ago. Zero fuel system issues since. The cost savings over Fleetguard are substantial."
— Truck Shop Dave✓ Verified
CV52001 Crankcase Ventilation Filter
★★★★★
Excellent
"Excellent value for the price This filter is a cost-effective alternative to more expensive OEM options, making regular maintenance more affordable. 🔧 Good fit and compatibility It installs easily an"
— Oscar Vargas✓ Verified
RV Water Heater Thermostat
★★★★★
Fixed our camper's hot water
"Our Atwood water heater kept tripping the ECO. Swapped this thermostat assembly in 15 minutes with basic tools. Water heats perfectly now. Saved $200 vs a mobile RV tech."
— Karen S.✓ Verified
Engine Oil Filter for Ram 3.0L
★★★★★
Easy to install
"The filter fit fine changing my oil on my 2018 RAM ecodiesel engine."
— MRG✓ Verified
R12T Fuel Filter Water Separator
★★★★★
Great Price.
"Was looking on ebay for this. But better price on Amazon. Amazon has everything you are looking for. Love It !"
— lisa✓ Verified