PLATFORM YEAR DIRECTORY6 Cataloged Model Years (2018 - 2026)
Harley Davidson FLFB Softail Fat Boy
Select your production year to view verified direct-fit components, routine service kits, OEM spark plugs, fluid capacities, and chassis specifications.
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Choose your exact year to filter verified direct-fit componentsVERIFIED DIRECT FITMENT PREVIEW•Showing 2026 Harley Davidson FLFB Softail Fat Boy Parts
Displaying verified replacement components and accessories for the 2026 model year. If your motorcycle is an earlier model year, select your year from the grid above to filter exact fitments.
GENUINE COMPATIBLE
DYNOJET Power Vision 4
$577.77
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GENUINE COMPATIBLE
SANTORO FABWORX Not Yo Daddy's Crashbar 3.0 For Softails
$487.95
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GENUINE COMPATIBLE
DYNOJET Power Vision 3
$577.77
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GENUINE COMPATIBLE
SANTORO FABWORX Not Yo Daddys Crash Bar - Standard
$345.95
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Harley Davidson FLFB Softail Fat Boy Engineering Snapshot
Displacement & Architecture1868cc • Milwaukee-Eight 114ci (1868cc) / 107ci (1746cc) & Twin Cam 103B / 96B / 88B, Pushrod 4-Valve per Cyl (M8) / 2V (TC)
Engine Oil & CapacityH-D Screamin' Eagle SYN3 20W-50 Full Synthetic or Genuine H-D 360 20W-50 (4.70 L (5.00 US qt))
OEM Spark PlugH-D 6R10 / 6R12
OEM Tire Sizes (Front / Rear)160/60R18 70V • 240/40R18 79V
1-CLICK MAINTENANCE SERVICE BUNDLE
Includes authentic OEM-spec motor oil, premium filter, crush washer, and matching spark plugs for the Harley Davidson FLFB Softail Fat Boy.