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)
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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 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 Shopify API Chevy Express / GMC Savana Duramax Diesel Van Maintenance: The Complete Filter & Fluid Guide
Complete Chevy Express & GMC Savana Duramax diesel van maintenance guide. Filter replacement schedules, common problems, and OEM cross-references (A3140C, A2959C).
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, by Shopify API A2959C Air Filter Replacement Guide: Chevy Express & GMC Savana 2500/3500/4500 Duramax Diesel Vans
Replace your Chevy Express or GMC Savana Duramax air filter with A2959C. Cross-reference: CA5370, P611720, 49154. Fits 2006-2016 2500/3500/4500 vans.
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, by Shopify API Cummins ISX 11.9L Crankcase Breather Filter Replacement Guide: Why It Matters & When to Replace
Learn why regular Cummins ISX crankcase breather filter replacement prevents costly engine damage. Complete guide with cross-reference: 904-7904, CV50634, CV50617.
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, by iFJF Direct Best Water Separator Fuel Filter for Diesel & Marine Engines — Complete 2026 Buying Guide
A quality fuel water separator is the cheapest insurance for your diesel engine. We compared the top 5 water separator fuel filters for 2026 and...
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, by iFJF Direct 2006-2007 LBZ Duramax Cold Air Intake Install Guide
Upgrading the cold air intake on your 2006–2007 Chevrolet or GMC Duramax 6.6L (LLY/LBZ) is one of the most rewarding bolt-on jobs you can do...
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, by iFJF Direct SPELAB 4" Straight Pipe Kit Install 05 Dodge 3500 Cummins
How to Install a 4-Inch Straight Pipe Kit on Your 2005 Dodge 3500 Cummins – Full DIY Guide If you own a 2005 Dodge 3500...
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Browse All ProductsWhat Our Customers Say
4.9★ average from 3,200+ verified reviews — Real feedback from real customers
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
★★★★☆
"Does the job"
— NotSoFastEddie✓ Verified
R12T Fuel Filter Water Separator
★★★★★
fast shipping
"great price"
— chris ollis✓ Verified
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
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
R12T Fuel Filter Water Separator
★★★★★
Just right
"Just right"
— Debbie✓ Verified