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    Bikes / Harley-Davidson / Softail Heritage Springer FLSTS/I (all years)

    2003 Harley-Davidson Softail Heritage Springer FLSTS/I

    732 aftermarket parts are listed for the 2003 Harley-Davidson Softail Heritage Springer FLSTS/I, in 30 categories.

    Jump to a category (30)
    • Accessories
    • Air Intake
    • Brakes
    • Chain
    • Cosmetic / Styling
    • Crash Protection
    • Device Mounts
    • ECU / Tuning
    • Electronics
    • Engine Covers
    • Engine Rebuild Kits
    • Exhaust
    • Foot Controls
    • Fuel System
    • Hand Controls
    • Handguards
    • Hardware / Fasteners
    • Integrated Tail Lights
    • Kickstands / Center Stands
    • Levers
    • Lighting
    • Luggage Racks
    • Oil System
    • Performance
    • Seats
    • Sprockets
    • Suspension
    • Towing & Hitches
    • Turn Signals
    • Wheels

    Performance

    Softail Heritage Springer FLSTS/I Air Intake

    See all 65 →
    • Arlen NessArlen Ness 10-Gauge Inverted Series Air Cleaner Kit For Harley Twin Cam 1999-2017
      $431.96
    • Arlen NessArlen Ness Beveled Inverted Series Air Cleaner Kit For Harley Twin Cam 1999-2017
      $431.96
    • Arlen NessArlen Ness Beveled Monster Sucker Air Cleaner Kit For Harley
      $449.96
    • Arlen NessArlen Ness Big Sucker Gasket Kit For Harley Twin Cam 1999-2017
      $8.06

    Softail Heritage Springer FLSTS/I ECU / Tuning

    See all 3 →
    • Drag SpecialtiesDrag Specialties Fuel Injector Idle Air Control Module For Harley
      from $60.95
    • Drag SpecialtiesDrag Specialties Fuel Injector Throttle Position Sensor For Harley
      from $40.95
    • PingelPingel Electric Easy Shift Speed Shifter Kits For Harley Softail 2000-2006
      $1,475.95

    Softail Heritage Springer FLSTS/I Engine Rebuild Kits

    See all 22 →
    • All Balls RacingAll Balls Racing Inner Primary Bearing And Seal Kit For Harley Big Twin 1989-2006
      $58.18
    • FeulingFeuling Camshaft Installation Kit For Harley
      from $99.95
    • FeulingFeuling Conversion Camshaft Installation Kits For Harley Twin Cam 1999-2006
      $93.95
    • FeulingFeuling Crankshaft Bearing Race Kit For Harley Twin Cam B 2000-2017
      $89.95

    Softail Heritage Springer FLSTS/I Exhaust

    See all 28 →
    • Bassani ExhaustBassani FireSweep Exhaust For Harley Softail 1986-2017
      $769.95
    • Bassani ExhaustBassani Power Curve True Dual Crossover Head Pipes For Harley
      from $538.95
    • Bassani ExhaustBassani Radial Sweepers Exhaust With Heat Shields For Harley
      from $769.95
    • Bassani ExhaustBassani Radial Sweepers Exhaust With Heat Shields For Harley Softail / Dyna 1986-2017
      $802.95

    Softail Heritage Springer FLSTS/I Fuel System

    See all 23 →
    • All Balls RacingAll Balls Racing Carburetor Repair Kit For Harley
      from $117.44
    • All Balls RacingAll Balls Racing Extended Fuel Mixture Screw For Harley CV Carb 1990-2006
      $14.00
    • Arlen NessArlen Ness 12 Point Gas Cap For Harley 1997-2026
      $80.96
    • Biker's ChoiceBiker's Choice Keihin Carburetor Low Speed Jet For Harley 1988-2006
      $8.60

    Softail Heritage Springer FLSTS/I Oil System

    See all 13 →
    • Drag SpecialtiesDrag Specialties Oil Plug Temp Gauge For Harley
      from $33.95
    • Drag SpecialtiesDrag Specialties Transmission Dipstick For Harley Big Twin
      $27.51
    • FeulingFeuling Oil Pump Rebuild Kit For Harley
      $23.95
    • FeulingFeuling Race Series Oil Pump For Harley
      from $507.95

    Softail Heritage Springer FLSTS/I Performance

    See all 95 →
    • All Balls RacingAll Balls Racing Inner Primary Bearing Upgrade Kit For Harley Big Twin 1991-2006
      $28.69
    • AndrewsAndrews 26G Series Gear Drive Camshafts For Harley Twin Cam 1999-2006
      $463.95
    • AndrewsAndrews 55G Series Gear Drive Camshafts For Harley Twin Cam 1999-2006
      $463.95
    • AndrewsAndrews Transmission Pulley For Harley
      from $211.95

    Protection

    Softail Heritage Springer FLSTS/I Crash Protection

    See all 6 →
    • Drag SpecialtiesDrag Specialties Big Buffalo Engine Bars For Harley
      from $271.95
    • LindbyLindby Linbar Highway Bars For Harley
      $449.95
    • LindbyLindby Unibar For Harley Softail 2000-2017
      $229.95
    • Milwaukee TwinsMilwaukee Twins Highway Bars For Harley
      from $169.99

    Softail Heritage Springer FLSTS/I Engine Covers

    See all 38 →
    • Arlen NessArlen Ness 10-Gauge Point Cover For Harley
      from $53.96
    • Arlen NessArlen Ness 10-Gauge Pushrod Covers For Harley Twin Cam 1999-2017
      $206.96
    • Arlen NessArlen Ness 10-Gauge Rocker Box Top Covers For Harley
      from $494.96
    • CovingtonsCovingtons Dimpled Derby Cover For Harley Big Twin 1999-2018
      $149.95

    Softail Heritage Springer FLSTS/I Handguards

    See all 3 →
    • Klock WerksKlock Werks Flare Hand Guards For Harley With Cable Clutch 1982-2026
      $139.95
    • Klock WerksKlock Werks Ice Kolor Flare Hand Guards For Harley With Cable Clutch 1982-2026
      $139.95
    • Memphis ShadesMemphis Shades Hand Guards For Harley
      $89.95

    Appearance

    Softail Heritage Springer FLSTS/I Cosmetic / Styling

    See all 19 →
    • Avon GripsAvon Head Bolt Cover Set For Harley 1986-2022
      $44.10
    • Cycle VisionsCycle Visions Pyramid Fender Cover For Harley 1986-2017
      $31.49
    • Drag SpecialtiesDrag Specialties Clutch Cable Adjuster Cover For Harley 1987-2022
      $37.05
    • Drag SpecialtiesDrag Specialties Spark Plug Head Bolt Covers For Harley
      from $66.73

    Softail Heritage Springer FLSTS/I Seats

    See all 28 →
    • CobraCobra Detachable Backrest For Harley
      from $419.95
    • Drag SpecialtiesDrag Specialties Backrest Compatible Solo Seat For Harley
      from $444.95
    • Drag SpecialtiesDrag Specialties EZ-On Solo Seat For Harley FL Softail 2000-2017
      $384.95
    • Drag SpecialtiesDrag Specialties Passenger Pillion For Harley Softail 2000-2006
      $233.95

    Chassis

    Softail Heritage Springer FLSTS/I Brakes

    See all 52 →
    • Arlen NessArlen Ness 11.5" Jagged Front / Rear Rotor For Harley 2000-2026
      $197.96
    • Arlen NessArlen Ness 15" Big Brake Front Rotor For Harley
      from $287.96
    • Arlen NessArlen Ness Brake Rotor Hardware Kit For Harley 1986-2026
      $26.96
    • Arlen NessArlen Ness Replacement +3 Rear Brake Line For Harley Softail
      $89.96

    Softail Heritage Springer FLSTS/I Chain

    See all 2 →
    • S&S CycleS&S Cycle Primary Chain for Harley Big Twin 1941-2006
      $125.95
    • Twin PowerTwin Power Primary Chain for Harley
      from $89.99

    Softail Heritage Springer FLSTS/I Foot Controls

    See all 60 →
    • Arlen NessArlen Ness 10-Gauge Driver Floorboards For Harley
      $449.96
    • Arlen NessArlen Ness Beveled Fusion Series Driver Floorboards For Harley 1984-2025
      $404.96
    • Arlen NessArlen Ness Diamond Floorboards For Harley 1984-2026
      $377.96
    • Biker's ChoiceBiker's Choice Shift Lever Shaft For Harley Softail 1990-2006
      $40.99

    Softail Heritage Springer FLSTS/I Hand Controls

    See all 96 →
    • AccutronixAccutronix Grips For Harley
      from $126.95
    • Arlen NessArlen Ness Air Trax Grips For Harley
      from $62.96
    • Arlen NessArlen Ness Diamond Grips For Harley With Dual Cable Throttle
      $80.96
    • Arlen NessArlen Ness Dual Ring Grips For Harley
      $71.96

    Softail Heritage Springer FLSTS/I Hardware / Fasteners

    See all 27 →
    • Arlen NessArlen Ness 12-Point Titanium Cam Cover Bolt Kit For Harley 1999-2017
      $89.96
    • Arlen NessArlen Ness 12-Point Titanium Lifter Block Bolt Kit For Harley 1999-2026
      $71.96
    • Arlen NessArlen Ness 12-Point Titanium Rocker Box Bolt Kit For Harley
      from $125.96
    • Drag SpecialtiesDrag Specialties Cam Cover Bolt Kit For Harley
      from $28.30

    Softail Heritage Springer FLSTS/I Kickstands / Center Stands

    See all 3 →
    • Biker's ChoiceBiker's Choice Jiffy Stand Leg Stop For Harley 1937-2006
      $17.99
    • Drag SpecialtiesDrag Specialties Kickstand Extension For Harley
      from $23.95
    • Milwaukee TwinsMilwaukee Twins Jiffy Stand Leg Stop For Harley 1937-2006
      $7.99

    Softail Heritage Springer FLSTS/I Levers

    See all 18 →
    • Biker's ChoiceBiker's Choice Slotted Wide Blade Levers For Harley BT / XL 1996-2017
      $63.64
    • Drag SpecialtiesDrag Specialties Hand Levers For Harley 1996-2017
      $54.01
    • Drag SpecialtiesDrag Specialties Pivot Pin And Clip Kit For Harley 1984-2017
      $4.99
    • Drag SpecialtiesDrag Specialties Slotted Wide Blade Levers For Harley BT / XL 1996-2017
      $41.29

    Softail Heritage Springer FLSTS/I Luggage Racks

    See all 7 →
    • Cycle VisionsCycle Visions Bagger Tail For Harley Softail
      from $297.00
    • Cycle VisionsCycle Visions Barebacks Saddlebag Quick Release Kit For Harley Softail 2003-2017
      $162.00
    • Drag SpecialtiesDrag Specialties Square Sissy Bar For Harley Big Twin 1984-2026
      $158.31
    • LeatherworksLeatherworks Quick Mounts Saddlebag Mounts For Harley Softail With Large Saddlebags 1984-2017
      $199.00

    Softail Heritage Springer FLSTS/I Sprockets

    See all 6 →
    • Belt DrivesBDL Transmission Pulley For Harley Big Twin 1985-2006
      $192.95
    • JimsJims Mega Transmission Pulley Nut Kit For Harley 1991-2015
      $125.65
    • Mid-USAMid-USA Compensator Sprocket Kit For Harley Touring / Softail / Dyna 1994-2006
      $279.99
    • Milwaukee TwinsMilwaukee Twins Compensating Sprocket Cover Assembly For Harley Big Twin 1991-2006
      $27.99

    Softail Heritage Springer FLSTS/I Suspension

    See all 16 →
    • Alloy ArtAlloy Art Gooden-Tite Shock Bushing Kit For Harley Softail 2000-2017
      $34.95
    • Biker's ChoiceBiker's Choice 41MM Fork Seal Kit For Harley Softail 1984-2017
      $42.99
    • Biker's ChoiceBiker's Choice Fork Seal Kit For Harley
      from $42.99
    • Burly BrandBurly Brand 1" Rear Lowering Kit For Harley Softail 2000-2017
      $92.95

    Softail Heritage Springer FLSTS/I Towing & Hitches

    See all 1 →
    • NamzNamz 5 Wire Trailer Isolator for Harley Davidson 1997-2013
      $119.33

    Softail Heritage Springer FLSTS/I Wheels

    See all 7 →
    • All Balls RacingAll Balls Racing 3/4" Wheel Bearing Kit For Harley 2000-2007
      $39.69
    • Drag SpecialtiesDrag Specialties Front Axle Spacer For Harley FL Softail Springer 2000-2011
      $13.73
    • Drag SpecialtiesDrag Specialties Rear Axle Spacer For Harley Softail 2000-2007
      $9.95
    • Drag SpecialtiesDrag Specialties Wheel Bearings For Harley 2000-2010
      $42.56

    Electronics

    Softail Heritage Springer FLSTS/I Accessories

    See all 2 →
    • Custom DynamicsCustom Dynamics Radius Quad License Plate Frame For Harley 1996-2017
      $139.95
    • KuryakynKuryakyn Zombie LED Fuel And Battery Gauge For Harley 1988-2018
      $176.99

    Softail Heritage Springer FLSTS/I Device Mounts

    See all 4 →
    • CiroCiro Gen 2 Big Ass Drink Holder With Perch Mount
      $99.99
    • CiroCiro Gen 2 Perch Mount Kit
      $44.99
    • Klock WerksKlock Werks Ambidextrous iOmount for Harley 1996-2026
      $99.95
    • RivcoRivco Switch Mount Cup Holder
      $54.95

    Softail Heritage Springer FLSTS/I Electronics

    See all 43 →
    • AccelAccel Platinum Spark Plug For Harley Twin Cam / Sportster 1986-2022
      $53.95
    • All Balls RacingAll Balls 1-Piece Starter Jackshaft Kit For Harley Big Twin 1994-2006
      $134.79
    • All Balls RacingAll Balls Racing 1.7kW Starter For Harley Big Twin 1989-2006
      $504.74
    • All Balls RacingAll Balls Racing 9 Tooth Jackshaft Assembly For Harley Big Twin 1994-2006
      $141.43

    Softail Heritage Springer FLSTS/I Integrated Tail Lights

    See all 2 →
    • HogWorkzHogWorkz Uproar LED Tail Light With Sequential Turn Signals For Harley 1999-2026
      $119.98
    • Letric LightingLetric Lighting Co. Slantback Low-Profile LED Taillight w/ Integrated T/S For Harley 1999-2026
      $110.47

    Softail Heritage Springer FLSTS/I Lighting

    See all 35 →
    • BadlandsBadlands Hardwired Load Equalizer Module For Harley 1990-2017
      $62.96
    • BadlandsBadlands Illuminator Run / Brake / Turn Signal Module For Harley
      from $112.45
    • BadlandsBadlands Illuminator Run / Brake / Turn Signal Module For Harley Softail / Dyna 1997-2008
      $120.56
    • BadlandsBadlands Load Equalizer III Module For Harley
      from $59.16

    Softail Heritage Springer FLSTS/I Turn Signals

    See all 8 →
    • Biker's ChoiceBiker's Choice Flat Smoked Turn Signal Lens Kit For Harley 1986-2017
      $53.99
    • CiroCiro Fang Rear LED Turn Signal Inserts With Bezel For Harley 2000-2025
      $152.99
    • HogWorkzHogWorkz Goldtooth Bullet Style LED Front 1157 Turn Signals For Harley 2000-2025
      $89.98
    • HogWorkzHogWorkz Halomaker Bullet Style LED Rear Turn Signal Inserts For Harley 2001-2025
      $89.98

    More categories

    • Axle Sliders
    • Bodywork / Fairings
    • Fender Eliminators
    • Frame Sliders
    • Mirrors
    • Radiator Guards
    • Radiators
    • Rearsets
    • Stator Covers
    • Steering Dampers
    • Swingarm Spools
    • Tank Grips
    • Tires
    • Windscreens
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