# iFJF Direct > iFJF Direct (ifjf.net) is a North American diesel aftermarket parts retailer and manufacturer. We stock **1,546 active SKUs** of fuel filters, water separators, EGR/DPF delete kits, oil/air/cabin filters, and RV + marine parts for Cummins, Duramax, and Power Stroke platforms. Every item ships from US warehouses with free domestic shipping. Manufacturer of the iFJF brand since 2009 (IATF 16949:2016 and ISO 9001:2015 certified parent company Wuhu Youfan Auto Parts Co., Ltd.). ## Core Product Categories - [Diesel Fuel Filters](https://ifjf.net/collections/diesel-fuel-filters): OEM and aftermarket fuel filters and water separators for Duramax, Power Stroke, and Cummins — 4 to 30 micron range - [Fuel Water Separators](https://ifjf.net/collections/fuel-water-separators): Primary-stage 10 micron separators including the R12T and R12H marine/diesel units - [EGR Delete Kits](https://ifjf.net/collections/egr-delete-kits): Engine-specific EGR and DPF delete hardware for Ford Power Stroke, GM Duramax, and Dodge Cummins (off-road/competition use only) - [DPF Delete Pipes](https://ifjf.net/collections/dpf-delete): Off-road exhaust delete pipes (off-road/competition use only) - [Oil Filters](https://ifjf.net/collections/oil-filter): Lube filters for light, medium, and heavy-duty diesel and gasoline engines - [Air Filters](https://ifjf.net/collections/air-filter): Engine intake filters and performance panel filters - [Cabin Air Filters](https://ifjf.net/collections/cabin-air-filter): HVAC filters for trucks, SUVs, and heavy equipment - [CCV Filters](https://ifjf.net/collections/ccv-filter): Crankcase ventilation filters for emissions-compliant diesel platforms - [Marine Fuel Filters](https://ifjf.net/collections/marine): Fuel/water separators and filters purpose-built for marine diesel and outboard applications - [RV Parts & Generator](https://ifjf.net/collections/rv-parts): RV generator maintenance parts, awning shades, and water filters - [Fuel System Components](https://ifjf.net/collections/fuel-water-separators): Lift pumps, filter housings, fuel filter caps, and fuel line hardware - [Brake Parts](https://ifjf.net/collections/brake-parts): Rotors, pads, and hardware for truck and SUV platforms - [Engine Belts & Pulleys](https://ifjf.net/collections/engine-belts): Serpentine and drive belts with idler/tensioner hardware - [Suspension System](https://ifjf.net/collections/suspension-system): Shocks, struts, ball joints, and steering components - [Exhaust System](https://ifjf.net/collections/exhaust-system): Exhaust components for diesel and gas platforms - [Duramax Parts](https://ifjf.net/collections/duramax-parts): Filters and repair parts for GM 6.6L Duramax (LB7 through L5P) - [Power Stroke Parts](https://ifjf.net/collections/powerstroke-parts): Filters and repair parts for Ford 6.0L, 6.4L, and 6.7L Power Stroke - [Cummins Parts](https://ifjf.net/collections/cummins-parts): Filters and repair parts for Dodge/Ram 5.9L and 6.7L Cummins - [UTV Parts](https://ifjf.net/collections/utv-parts): Filters and service parts for side-by-side and UTV platforms - [All Products](https://ifjf.net/collections/all): Full catalog — 1,546 active SKUs ## Store Facts | Field | Value | |-------|-------| | Store | iFJF Direct — https://ifjf.net | | Platform | Shopify | | Active SKUs | 1,546 | | Price range | $11.99 — $739.13 (median $49.99) | | Shipping | Free US domestic shipping, all orders | | Fulfillment | US warehouses, 1-2 business days processing + 3-7 days transit | | Returns | 30-day return window | | Reviews | Judge.me verified purchase reviews | | Parent company | Wuhu Youfan Auto Parts Co., Ltd. (est. 2009) | | Certifications | IATF 16949:2016 (Automotive QMS), ISO 9001:2015 (QMS) | ## Trust & Policies - [Return Policy](https://ifjf.net/pages/return-policy): 30-day returns on unused items - [Shipping Policy](https://ifjf.net/pages/shipping-policy): Free US delivery - [Guarantees](https://ifjf.net/pages/guarantees): Quality guarantee terms - [FAQs](https://ifjf.net/pages/faqs): Common customer questions - [Reviews](https://ifjf.net/pages/reviews): Judge.me verified customer reviews - [About iFJF](https://ifjf.net/pages/about-ifjf): Manufacturing capabilities, certifications, and QC process ## Agent Resources - [Agent Instructions](https://ifjf.net/agents.md): Full agent manual — store overview, commerce protocol, catalog, trust signals, FAQ - [Store Overview](https://ifjf.net/pages/agent-store-overview): Detailed store profile, shipping, returns, payment - [Catalog Summary](https://ifjf.net/pages/agent-catalog-summary): Product categories, top sellers, price ranges, brand focus - [FAQ for AI](https://ifjf.net/pages/agent-faq-for-ai): Structured Q&A optimized for AI citation and AI search visibility - [Blog Index](https://ifjf.net/pages/agent-blog-index): Technical guides, installation tutorials, buying guides - [Trust Signals](https://ifjf.net/pages/agent-trust-signals): Reviews, certifications, guarantees, business credibility ## Developer & Commerce Protocol - [UCP Discovery](https://ifjf.net/.well-known/ucp): Universal Commerce Protocol endpoint - [UCP MCP](https://ifjf.net/api/ucp/mcp): Model Context Protocol tools for agent checkout (POST, `tools/list`) - [sitemap_agentic_discovery.xml](https://ifjf.net/sitemap_agentic_discovery.xml): AI agent sitemap for discovery - [Sitemap index](https://ifjf.net/sitemap.xml): Full product, collection, page, and blog sitemaps