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 Bluetooth Battery Kill Switch vs. Traditional RF Remote: Why Smartphone App Control Is the Upgrade Your Diesel Truck, RV, or UTV Needs in 2026
Bluetooth kill switch vs RF remote vs manual disconnect — complete comparison guide. Learn why app-controlled battery disconnects offer better security, range, and convenience for...
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, by iFJF Direct How to Replace the Serpentine Belt on a 5.9 & 6.7L Cummins — Complete DIY Guide
How to Replace the Serpentine Belt on a 5.9 & 6.7L Cummins — Complete DIY Guide Published: July 21, 2026 | Category: Engine Maintenance | ...
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, by iFJF Direct Golf Cart Wheel Covers: Chrome Hub Caps Installation & Buying Guide for EZGO, Club Car, Yamaha
Complete guide to upgrading your golf cart with 8-inch chrome wheel covers. Universal fit for EZGO, Club Car, and Yamaha. 15-minute no-tool installation, chrome care...
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, by iFJF Direct Club Car DS & Precedent Front Wheel Hub Bearing Replacement: Complete DIY Guide
Step-by-step guide to replacing front wheel hubs on Club Car DS (1974-2003) and Precedent (2003+) golf carts. Includes tool lists, torque specs, and OEM cross-reference...
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, by iFJF Direct How to Install a Bluetooth Kill Switch: Anti-Theft Battery Disconnect Guide
Install a Bluetooth kill switch on your car, truck, or RV in under an hour. Step-by-step wiring guide with torque specs, safety tips, and professional...
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, by iFJF Direct Bluetooth vs RF Remote Battery Disconnect: Which Is Better?
Bluetooth kill switch or RF remote — which remote battery disconnect is right for your vehicle? We compare security, range, current rating, and real-world reliability...
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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
★★★★★
Worth the money
"Quality product, worth the money"
— Scout7✓ Verified
L5P Fuel Filter Kit
★★★★★
Saved $100 vs dealership
"Dealership quoted $180 for L5P fuel filter replacement. Bought this kit and did it myself in 30 minutes. For $40 you can't beat it."
— Jack W.✓ 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
★★★★★
"Kubota bx owners GO FOR IT!!"
— pamela cookinham✓ Verified
R12T Fuel Filter Water Separator
★★★★★
Replaced the original to this.
"The original on my cub cadet was a piece of trash, this new one is great! And easy to install."
— Debora✓ 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