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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

Why Choose iFJF Direct?

More than a store — we're the manufacturer.

Factory Direct

Factory Direct

No middleman markup. We design, manufacture, and ship from our own facility. Since 2009.

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IATF 16949 & ISO 9001 Certified

IATF 16949 & ISO 9001

Automotive-grade quality certified. Same standards trusted by global OEM manufacturers.

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4.9★ on Amazon

4.9★ on Amazon

3,200+ verified reviews from diesel & RV owners who trust our quality and value.

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Pool Parts

Factory-direct pool replacement parts for Intex, Hayward, Pentair, Polaris & more. Bulk orders welcome.

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View All Pool Parts 

Maintenance Guides & Tips

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  • S3213 Upgrade Guide: Why the Replaceable Filter Pays for Itself in 2 Services

    , by iFJF Direct S3213 Upgrade Guide: Why the Replaceable Filter Pays for Itself in 2 Services

    Compare the old sealed S3213 vs the new replaceable-element design. Real cost data shows the upgraded version pays for itself by the second service —...

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  • Top 5 Diesel Fuel Filter Housing Problems (And How to Fix Them)

    , by iFJF Top 5 Diesel Fuel Filter Housing Problems (And How to Fix Them)

    Why Your Fuel Filter Housing Deserves Your Attention Right Now If you own a diesel truck — whether it's a Duramax, Powerstroke, or Cummins —...

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  • Above Ground Pool Plumbing Parts Explained: Valves, Unions, and Fittings Guide

    , by iFJF Direct Above Ground Pool Plumbing Parts Explained: Valves, Unions, and Fittings Guide

    Guide to above-ground pool plumbing parts: plunger valves, multiport valves, check valves, and pipe holders. Learn how each component works and when to replace them.

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  • Pool Filter Maintenance Guide: When to Replace Cartridges, Grilles, and O-Rings

    , by iFJF Direct Pool Filter Maintenance Guide: When to Replace Cartridges, Grilles, and O-Rings

    Complete pool filter maintenance guide covering cartridge cleaning, when to replace filter cartridges and DE grids, pressure readings, and step-by-step instructions.

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  • Intex Pool Hose and Adapter Replacement Guide: Fix Leaks and Restore Water Flow

    , by iFJF Direct Intex Pool Hose and Adapter Replacement Guide: Fix Leaks and Restore Water Flow

    Complete guide to replacing Intex pool hoses, adapters, and plunger valves. Covers Type A/B adapters, hose sizing, step-by-step installation, and when to repair vs. replace.

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  • Egr cooler and Oil cooler Replacement on a 6.0 powerstroke - Diesel Truck Tutorial

    , by iFJF Direct Egr cooler and Oil cooler Replacement on a 6.0 powerstroke

    How to Replace the EGR Cooler and Oil Cooler on a 6.0 Powerstroke (Step-by-Step Guide) If you own a 2003–2007 Ford Powerstroke 6.0L, you already...

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Exclusive for Returning Customers

Already Bought From Us?

Welcome back! Reorder your filters, try a new category, or reach out for bulk pricing. Use code LOYAL15 for 10% OFF your next order.

One-time use per customer · For customers with previous orders only

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What Our Customers Say

4.9★ average from 3,200+ verified reviews — Real feedback from real customers

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
★★★★☆
The replacement will take about 30 minutes
"This product works perfectly easy to install fit just like it was a Chrysler product "
— Marco✓ Verified
7.3L Powerstroke Coolant Kit
★★★★★
Must-have for 7.3L trucks
"Wish I'd bought this years ago. My 2002 F350 has 220k miles. Installed in 45 minutes and the first filter caught a ton of crud. Cheap insurance."
— Scott E.✓ 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
Engine Oil Filter for Ram 3.0L
★★★★★
Much cheaper than parts store filters
"These filters are typically half the price of what can be found at an auto parts store. I installed two so far and had a look at them after the oil changes. They were still in one piece and in good sh"
— D. K.✓ Verified
Cummins Fuel Water Separator
★★★★★
Beats the dealership every time
"Running these on my 2018 Ram 3500 Cummins. Change them every other oil change and they catch a shocking amount of water. Engine runs smoother with clean fuel."
— Chris T.✓ Verified

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