2003 HARLEY-DAVIDSON - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

NGK Standard Series Spark Plugs DCPR7E

Spark Plug, Standard Series, Gasket Seat, 12mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3932

5.0 out of 5 stars ( 3 )

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NGK Standard Series Spark Plugs DCPR8E

Spark Plug, Standard Series, Gasket Seat, 12mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4339

5.0 out of 5 stars ( 4 )

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Hella Halogen Light Bulbs H11

Light Bulb, Halogen Series, H11, H9, H8, Halogen, Clear, 55 Watt Low Beam, Each

Part Number: HLA-H11

5.0 out of 5 stars ( 2 )

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Autolite Copper Core Spark Plugs A4164

Spark Plug, Copper Core, Gasket Seat, 12mm Thread, .750 in. Reach, Partial Projected, Resistor, Each

Part Number: ATL-4164

Not Yet Reviewed

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Hella High Wattage Series Halogen Light Bulbs H4 100/80WTB

Light Bulb, High Wattage Series, H4, Halogen, White, 3200K Temperature, 80 Watt Low Beam, 100 Watt High Beam, Pair

Part Number: HLA-H4-100-80WTB

4.67 out of 5 stars ( 3 )

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WIX Filters Oil Filters 51215

Oil Filter, Canister Style, Black, 3/4-16 in. Female Threads, Filter Bypass Relief Valve, 3.410 in. Height

Part Number: WIX-51215

5.0 out of 5 stars ( 2 )

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Fram Motorcycle Full-Flow Lube Spin-On Oil Filters PH6022

Fram Motorcycle Full-Flow Lube Spin-On Oil Filters PH6022

Oil Filter, Full-Flow Lube Spin-On, Canister Style, Buell, Moto Guzzi, Each

Part Number: FRM-PH6022

3.75 out of 5 stars ( 4 )

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Autolite XP Xtreme Performance Spark Plugs XS4164

Spark Plug, XP Xtreme Performance, Iridium, 12mm Thread, 0.750 in. Reach, Gasket Seat, 11/16 in. Wrench Size, Each

Part Number: ATL-XS4164

Not Yet Reviewed

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Hella High Wattage Series Halogen Light Bulbs H4 130/90WTB

Light Bulbs, High Wattage Series, H4 Bulb Style, Halogen, White, 3200K Color Temperature, Pair

Part Number: HLA-H4-130-90WTB

5.0 out of 5 stars ( 1 )

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Champion Copper Plus Spark Plugs RA8HC

Spark Plug, Copper Plus, 12mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-810

Not Yet Reviewed

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E3 Spark Plugs E3.36

Spark Plug, E3, Gasket Seat, 12mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-36

4.78 out of 5 stars ( 9 )

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Hella Halogen Light Bulbs 9003

Light Bulb, 9003/HB2, Halogen, Clear, 12 V, 55/60 Watts, Each

Part Number: HLA-9003

Not Yet Reviewed

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Standard Motor Oil Pressure Warning Light Sending Units PS-149

Warning Light Sending Unit, Oil Pressure, Thread-in, 1/4 in. NPT, Ford, Lincoln, Mercury, Saab, Each

Part Number: SMP-PS149

4.33 out of 5 stars ( 3 )

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Autolite XS Xtreme Sport Spark Plugs XS4162

Spark Plug, XS Xtreme Sport, Iridium, 12mm Thread, 0.750 in. Reach, Gasket Seat, 11/16 in. Wrench Size, Each

Part Number: ATL-XS4162

Not Yet Reviewed

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Hella High Wattage Series Halogen Light Bulbs H4 130/90W

MINI HALOGEN BULB

Part Number: HLA-H413090W

Not Yet Reviewed

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Wagner Long Life Miniature Bulbs BP3157LL

Light Bulbs, Long Life Miniature, 3157, Clear, Pair

Part Number: WAG-BP3157LL

5.0 out of 5 stars ( 1 )

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Kibblewhite Valve Stem Installation Protectors 20-20637

Valve Stem Installation Protector, 0.3125 in. Stem Diameter, Harley-Davidson®, Each

Part Number: KPM-20-20637

5.0 out of 5 stars ( 1 )

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Champion Iridium Spark Plugs 9701

Spark Plug, Iridium, Iridium, 12mm Thread, 0.750 in. Reach, Flat Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9701

5.0 out of 5 stars ( 1 )

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Twin Power CV Carburetor Vacuum Piston Diaphragms 482841

Carburetor Diaphragm, CV Carburetor, Rubber, Harley-Davidson®, Each

Part Number: TWP-027690

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Champion Copper Plus Spark Plugs 810C

Spark Plug, RA8HC, Copper Core, 12mm Thread, .750in. Reach, Resistor, Each

Part Number: CPN-810C

Not Yet Reviewed

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Champion PowerSport Spark Plugs 8809

Spark Plug, 12mm Thread Size, .750 in. Reach, 6 Heat Range, Powersports, Each

Part Number: CPN-8809-1

Not Yet Reviewed

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HardDrive Jackshaft Repair Kits 820-50973

Starter Rebuild Parts, Jackshaft Repair Kit, 10-tooth, Harley-Davidson®, Kit

Part Number: HDD-820-50973

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

S&S Cycle Air Cleaner Components 50-7055

WASHER, COATED STEEL,.520"

Part Number: SSY-50-7055

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Biker's Choice Master Cylinder Reservoir Cover Gaskets 489890

GASKET FOR BC MASTER CYLINDER

Part Number: BKC-48-9890

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic Gasket Outer Oil Pump O-Rings 68-9437

10/PK OIL PUMP COVER O-RING H- D TWIN CAM

Part Number: CVT-C9437

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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2003 HARLEY-DAVIDSON Parts and Accessories