FLFB Fat Boy® Parts & Accessories

The FLFB Fat Boy is a Harley-Davidson Softail icon built from 2018 to 2026, and this page pulls together every compatible part and upgrade we stock at Iron Stable. The FLFB catalogue covers the most popular categories for this model including engine parts, electrical components and handlebars, mirrors and cables, all cross-checked against Harley-Davidson Softail fitment data across the full year range. Iron Stable is run by Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, so every order benefits from genuine technical knowledge, accurate OEM references and proper aftersales support. Whether you're carrying out routine service, building a custom look or upgrading performance on your Fat Boy, you'll find everything you need in one place. Browse the full range below.