Factory-Direct Diesel Filtration for American Trucks, Boats & RVs
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- 📋 IATF 16949 Certified
- ⭐ 4.9★ on Amazon (3,200+ Reviews)
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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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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 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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, by iFJF Direct How to Replace the Fuel Filter on Your Onan Quiet Diesel RV Generator (HDKAH / HDKAK / HDKAJ)
Step-by-step guide to replacing the fuel filter on Cummins Onan Quiet Diesel RV generators (HDKAH, HDKAK, HDKAJ). Covers tools, procedure, compatibility, cross-reference part numbers, and...
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, by iFJF Direct RV Generator Fuel Filter Replacement: Two Expert Methods Compared (Quiet Diesel vs QG 4000)
Two expert YouTube methods for replacing your Onan RV generator fuel filter — RVgeeks (191K views, Quiet Diesel inline canister) vs RV Habit (107K views,...
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, by iFJF Direct Cummins Onan Quiet Diesel RV Generator Filter Change: Complete DIY Maintenance Guide (149-2513, 122-0833, 140-2897)
Complete DIY guide to servicing your Cummins Onan Quiet Diesel RV generator — fuel filter (149-2513), oil filter (122-0833), and air filter (140-2897) replacement. Cross-reference...
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Browse All ProductsWhat Our Customers Say
4.9★ average from 3,200+ verified reviews — Real feedback from real customers
Engine Oil Filter for Ram 3.0L
★★★★★
These worked great
"This is the oil filter for a 2015 ecodiesel v6 it fits and is cheaper than mopar"
— B✓ Verified
R12T Fuel Filter Water Separator
★★★★★
Worth the money
"Quality product, worth the money"
— Scout7✓ 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
CV52001 Crankcase Ventilation Filter
★★★★★
Awesome
"Pretty easy to do yourself. Fit perfectly would buy again. "
— This is the worst machine✓ Verified
Air Filter — Duramax 6.6L
★★★★★
Noticeable improvement
"Put this in my 2019 Silverado 2500HD. Better throttle response and seeing about 1.5 MPG gain on the highway. The old filter was way dirtier than I thought."
— Ron P.✓ Verified
Engine Oil Filter for Ram 3.0L
★★★★★
Much cheaper than parts store filters
"These filters are typically half the price of what can be found at an auto parts store. I installed two so far and had a look at them after the oil changes. They were still in one piece and in good sh"
— D. K.✓ Verified