# iFJF Direct > North American diesel truck aftermarket parts — filters, EGR delete kits, RV accessories, fuel system components. Shopify store shipping from USA. ## Core Product Categories - [Diesel Fuel Filters](https://ifjf.net/collections/diesel-fuel-filters): Duramax, Powerstroke, Cummins OEM & aftermarket filters (Baldwin, Donaldson, Fleetguard) - [EGR Delete Kits](https://ifjf.net/collections/egr-delete): DPF/EGR delete kits for Ford Powerstroke, GM Duramax, Dodge Cummins (off-road/competition use) - [RV Parts & Accessories](https://ifjf.net/collections/rv-parts): RV awning shades, water filters, maintenance parts - [Fuel System Components](https://ifjf.net/collections/fuel-system): Lift pumps, CP3 pumps, injectors, fuel lines, FASS/Airdog systems - [Marine Fuel Filters](https://ifjf.net/collections/marine): Fuel water separators and marine-grade filtration - [Performance Parts](https://ifjf.net/collections/performance): Tuners, gauges, intake/exhaust upgrades - [All Products](https://ifjf.net/collections/all): Browse full catalog (~1,800 SKU) ## Trust & Policies - [Return Policy](https://ifjf.net/pages/return-policy): 30-day returns - [Shipping Policy](https://ifjf.net/pages/shipping-policy): Fast US domestic shipping - [Guarantees](https://ifjf.net/pages/guarantees): Quality guarantee - [FAQs](https://ifjf.net/pages/faqs): Common questions - [Reviews](https://ifjf.net/pages/reviews): Judge.me verified customer reviews ## 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/agents/store-overview.md): Detailed store profile, shipping, returns, payment - [Catalog Summary](https://ifjf.net/agents/catalog-summary.md): Product categories, top sellers, price ranges, brand focus - [FAQ for AI](https://ifjf.net/agents/faq.md): Structured Q&A optimized for AI citation and AI search visibility - [Blog Index](https://ifjf.net/agents/blog-index.md): Technical guides, installation tutorials, buying guides - [Trust Signals](https://ifjf.net/agents/trust-signals.md): 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 - [sitemap_agentic_discovery.xml](https://ifjf.net/sitemap_agentic_discovery.xml): AI agent sitemap for discovery