2003 HARLEY-DAVIDSON Engines & Components

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.875 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, L2, V2, Set

Part Number: HSN-2M4941

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Piston Ring Sets, Standard Size, 3.498 in. Bore, Phosphate Coated, 1/16 in., 1/16 in., 5/32 in. Ring Thickness, L2, V2, Pair

Part Number: HSN-6164

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4941005

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Piston Rings, Moly, 3.528 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3527X

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, Each

Part Number: HSN-2M5080

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4985010

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Camshaft Bearings, Inner, Steel, Harley-Davidson®, Pair

Part Number: FEU-2076

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Oil Filter, Canister Style, Chrome Plated, Harley-Davidson®, Each

Part Number: EMG-10-82442

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve, Powersports, Black Diamond, EV8 Stainless Steel, Exhaust, Harley-Davidson®, Each

Part Number: KPM-20-2012

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Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 3.875 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3875VM

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Estimated Ship Date: Today

Valve, Powersports, Black Diamond, EV8 Stainless Steel, Exhaust, Harley-Davidson®, Each

Part Number: KPM-20-2014

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Estimated Ship Date: Today

Piston Rings, 3.875 in. Bore, Plasma-Moly, Chrome Plated Carbon Steel, Iron, For Harley-Davidson®, Set

Part Number: JEP-XK3875

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Estimated Ship Date: Apr 23, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4941S010

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Piston Rings, Moly, 3.518 in. Bore, Buell, Harley-Davidson®, Set

Part Number: WIS-3517X

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Piston Pin, Steel, Chrome, Straight, 20.10mm x 55.88mm, Buell, Harley-Davidson®, Each

Part Number: WIS-S530

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4985S010

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4942S005

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Piston Rings, Gas Nitrided, 3.895 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3895VM

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Engine Piston Ring Set, 1-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4953

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Piston Ring Set, 2-Cyl Ring Set; Phosphate

Part Number: HSN-6164020

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-6164S020

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Engine Piston Ring Set, 1-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5080010

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Estimated Ship Date: Apr 20, 2026 if ordered today

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PUSHROD KEEPER SET 2.60"

Part Number: SSY-93-4101

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4941S

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Piston Rings, X, Moly, 3.498 in. Bore, Buell, Harley-Davidson®, Set

Part Number: WIS-3497X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 29, 2026 if ordered today

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