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 Products
2500HD/3500HD · 2001–2024
Cummins 6.7L
Ram 2500/3500 Heavy Duty
Pickup & Chassis Cab · 2007–2024
18 Products
Pickup & Chassis Cab · 2007–2024
Powerstroke
Ford F-250 to F-550 Super Duty
6.0 / 6.4 / 6.7L · 2003–2024
15 Products
6.0 / 6.4 / 6.7L · 2003–2024
Maintenance Guides & Tips
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, by iFJF Direct Mercruiser 4.3L V6 Marine Carburetor Replacement Guide: 3310-807764A1 Electric Choke Install & Tuning
If your Mercruiser 4.3L V6 is hard-starting, stumbling under throttle, or flooding at idle, the factory Mercarb 2-barrel carburetor has likely reached the end of...
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, by iFJF Direct CB Radio Antenna Spring Mount Guide: Stainless Steel vs Standard — Which SS-3H Is Right for Your Rig?
Every trucker who's snagged a 4-foot Firestik on a low-hanging branch at a truck stop, or watched their SWR meter spike after clipping a bridge...
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, by iFJF Direct GM Sunroof Glass Lock Retainer Fix: 84691055 for Chevy Traverse & GMC Acadia — Stop the Leak in 45 Minutes
That Wind Noise at 65 MPH Is Not Your Radio — It Is Your Sunroof You have been driving around with a strip of duct...
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, by iFJF Direct Briggs & Stratton 796184 Carburetor Rebuild Guide: Master Overhaul Kit for 11HP-19HP Intek Engines
Your Mower Cranked Fine Last Fall. Now It Will Not Even Cough. Every spring, same story. The mower that ran perfect in November sits dead...
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, by iFJF Direct Mercruiser 807764A1 Carburetor: Yellow Zinc vs Black Coating — Which Finish Holds Up Better in Saltwater?
Two Colors, One Carb — Does the Finish Actually Matter? If you have been staring at two 3310-807764A1 Mercarb replacement carburetors — one with a...
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, by iFJF Direct 6.7L Powerstroke Oil Change Guide: FL2051S Filter, Oil Capacity and Torque Specs
Complete 2011-2022 Ford 6.7L Powerstroke oil change guide. FL2051S filter specs, BC3Z-6731-B cross-reference, 13-quart oil capacity, torque specs, drain plug size, and step-by-step DIY instructions.
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Browse All ProductsWhat Our Customers Say
4.9★ average from 3,200+ verified reviews — Real feedback from real customers
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
R12T Fuel Filter Water Separator
★★★★★
good-buy
"look-good"
— Butch Goldthwait✓ Verified
CV52001 Crankcase Ventilation Filter
★★★★★
Great!
"Works great. This is our second one. This installed easily and works like it should. Good price as well! "
— B West✓ 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
R12T Fuel Filter Water Separator
★★★★★
Fast delivery.
"Great filter for the price."
— oscar haaland✓ Verified