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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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 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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, 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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Browse All ProductsWhat Our Customers Say
4.9★ average from 3,200+ verified reviews — Real feedback from real customers
R12T Fuel Filter Water Separator
★★★★★
good-buy
"look-good"
— Butch Goldthwait✓ Verified
CV52001 Crankcase Ventilation Filter
★★★★★
Great quality for half the price!
"Product came in quick with Prime and fit perfectly! Looked up how-to on YouTube. Install took less than 30 min. Reset the perform service light with no issue! Will definitely be buying again when it’s"
— Mine✓ Verified
Engine Oil Filter for Ram 3.0L
★★★★★
Good price
"I have used this product for quite some time. Works well and good price"
— M. C. Koch✓ 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
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
★★★★★
Perfect
"Works great"
— Elmer McGill✓ Verified