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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Maintenance Guides & Tips
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, by iFJF Direct 2001-2016 Duramax Diesel Fuel Filter Replacement: Complete DIY Guide (With NAPA 3960)
Step-by-step Duramax fuel filter replacement guide for 2001-2016 6.6L engines. Covers inner fender removal, water sensor disconnect, O-ring lubrication, and priming procedure.
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, by iFJF Team Duramax Fuel Filter Housing: Complete Compatibility & Replacement Guide (2001–2024)
Complete guide to Duramax fuel filter housing compatibility, replacement, and upgrades for all generations from 2001 LB7 through 2024 L5P. Covers OEM cross-reference numbers, common...
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, by iFJF Direct How to Install a Universal Tachometer in Your Classic Car or Truck — Step-by-Step Wiring Guide
Learn how to install a universal 2-inch (52mm) tachometer in your classic car or diesel truck. Step-by-step wiring guide covering GM HEI, canister coil, MSD...
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, by iFJF Team RV Awning Sun Shade Review: iFJF 9'x7' Black Mesh Screen — 5-Minute Install, Instant Privacy & UV Protection
We pulled into Carolina Pines at high noon. Dashboard read 101 degrees. The kind of heat where the asphalt shimmers and your flip-flops feel like...
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, by iFJF Direct iFJF R12T vs Genuine Racor 120A Fuel Filter: A Real Tractor Owner Tears Them Apart
📌 Bottom Line Up Front After a complete side-by-side tear-down, the iFJF R12T matches or exceeds the genuine Racor 120A in build quality, dimensions, and...
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, by Shopify API R12T vs R12H Fuel Water Separator: Real Customer Review (20K+ Views) + Installation Guide
A real iFJF customer's 20,000-view YouTube review of the R12T fuel water separator — installed on a 1978 Jeep in under 10 minutes. Full walkthrough,...
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Browse All ProductsWhat Our Customers Say
4.9★ average from 3,200+ verified reviews — Real feedback from real customers
Duramax Fuel Filter
★★★★★
Perfect fit, great value
"Swapped both filters on my 2018 L5P in under 20 minutes. These match OEM spec exactly and cost a fraction of what the dealer charges. Stocked up on a 6-pack for future changes."
— Mike D.✓ 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
★★★★☆
The replacement will take about 30 minutes
"This product works perfectly easy to install fit just like it was a Chrysler product "
— Marco✓ 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
DEF Pump Filter Kit
★★★★★
Fixed DEF warning instantly
"Was getting the 'DEF system service required' warning. Swapped this filter kit and cleared the codes — hasn't come back in 3 weeks."
— Tom P.✓ Verified
CV52001 Crankcase Ventilation Filter
★★★★★
Excellent
"Excellent product, I love it, it fits my car perfectly, I buy it oft "
— Belen Bartel✓ Verified