Discover the  53 key assemblies and genuine parts collections for your  FLSTFI SOFTAIL FAT BOY (EFI) (BX). Each assembly, such as the Oil Pump, comprises multiple components, each with its own OEM number and detailed information.

Navigate through organized categories of Harley factory parts to quickly locate the OEM parts you're interested in.

Please select a part category below:

 32. SUSPENSION - SWINGARM ASSEMBLY W/ SHOCK ASORBER
 21. BELTS W/ CHAINS AND SPROCKETS
 7. BALANCER SHAFT ASSEMBLY
 26. BRAKE - FRONT BRAKE CALIPER ASSEMBLY
 17. TRANSMISSION HOUSING ASSEMBLY
 2. COMPLETE ENGINE
 18. TRANSMISSION GEARS
 30. SUSPENSION - FRONT FORK ASSEMBLY W/ STEERING STEM
 16. GEAR SHIFTER ASSEMBLY
 55. MIRROR ASSEMBLY
 25. BRAKE - REAR BRAKE CYLINDER W/ PEDAL
 27. BRAKE - REAR BRAKE CALIPER ASSEMBLY
 28. WHEEL - FRONT WHEEL ASSEMBLY W/ BRAKE DISK
 40. LICENSE PLATE ASSEMBLY
 20. CHAIN CASE HOUSING
 14. ELECTRICAL - ENGINE SENSORS W/ SWITCHES
 49. TAIL LIGHT ASSEMBLY
 24. BRAKE - FRONT BRAKE CYLINDER ASSEMBLY W/ LEVER
 10. FUEL INJECTION ASSEMBLY
 31. FRAME ASSEMBLY W/ JIFFY STAND
 35. HANDLEBAR ASSEMBLY
 11. AIR CLEANER ASSEMBLY
 53. ELECTRICAL - HANDLEBAR SWITCH ASSEMBLIES
 48. TURN SIGNALS - REAR
 42. FUEL PUMP ASSEMBLY
 22. CLUTCH LEVER ASSEMBLY
 46. INSTRUMENT ASSEMBLY
 13. ELECTRICAL - ELECTRONIC CONTROL MODULE W/ COIL ASSEMBLY
 23. BELT GUARD ASSEMBLY
 29. WHEEL - REAR WHEEL ASSEMBLY W/ BRAKE DISK AND SPOCKET
 6. CRANKCASE ASSEMBLY W/ OIL FILTER
 50. HORN ASSEMBLY
 39. FENDER - REAR W/ SUPPORTS
 3. CYLINDERS W/ HEADS AND VALVES
 36. THROTTLE CONTROL ASSEMBLY W/ GRIPS
 9. ENGINE MOUNTS
 51. ELECTRICAL - MAIN WIRING HARNESS - 1
 41. FUEL TANK ASSEMBLY
 12. ELECTRICAL - ALTERNATOR W/ VOLTAGE REGULATOR
 47. TURN SIGNALS - FRONT
 15. ELECTRICAL - STARTER ASSEMBLY
 8. CAMSHAFTS ASSEMBLY W/ CHAINS
 52. ELECTRICAL - MAIN WIRING HARNESS - 2
 38. FENDER - FRONT
 4. ROCKER ARM ASSEMBLY W/ PUSHRODS
 34. FOOTRESTS AND FOOTBOARDS ASSEMBLIES
 56. EVAPORATIVE EMISSIONS COMPONENTS (CALIF. ONLY)
 45. ELECTRICAL - BATTERY W/ BATTERY TRAY ASSEMBLY
 37. HEADLIGHT ASSEMBLY
 19. CLUTCH ASSEMBLY
 43. FUEL TANK DECALS AND NAME PLATES
 5. CRANKSHAFT ASSEMBLY W/ PISTONS AND FLYWHEEL
 54. ELECTRICAL - SWITCHES W/ CIRCUIT BREAKERS

Simplify Maintenance: Having detailed parts information at your fingertips makes maintaining your  FLSTFI SOFTAIL FAT BOY (EFI) (BX) easier than ever.

If you're unsure which part you need information on or have questions about the parts for your  FLSTFI SOFTAIL FAT BOY (EFI) (BX), please refer to your harley service manual or contact us for help.