Availability
2003 HARLEY-DAVIDSON Engines & Components
Showing In Stock Items. Show All 699 Items.
Oil Filter, Powersports, Canister, Black, 3/4 in.-16UNF Thread, 3.7 in. Tall, 2.9 in. OD, Buell, for use on Harley-Davidson®, Each
Part Number: KNN-KN-171B
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Filter, Powersports, Canister, Chrome, 3/4 in.-16UNF Thread, 3.7 in. Tall, 2.9 in. OD, Buell, for use on Harley-Davidson®, Each
Part Number: KNN-KN-171C
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Filter, Canister Style, Black, Harley-Davidson®, Each
Part Number: WIX-57148
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged, Dome, 3.875 in. Bore, Harley-Davidson®, V2, Kit
Part Number: UEM-KB905C-STD
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit
Part Number: UEM-KB272-STD
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Oil Filter, Canister Style, Black, 3/4-16 in. Female Threads, Filter Bypass Relief Valve, 3.410 in. Height
Part Number: WIX-51215
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrods, Quickee, Adjustable, Chromoly, Ball Tips, Chrome Pushrod Covers, Cover Keepers, Harley-Davidson®,Kit
Part Number: SSY-106-6051
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.895 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit
Part Number: UEM-KB348-020
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Filter, Full-Flow Lube, Spin-on, Canister Style, Buell, Harley-Davidson®, Each
Part Number: FRM-PH6065B
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Filter, Powersports, Canister, 3/4 in.-16UNF Thread, 3.70 in. Tall, 2.94 in. OD, for use on Harley-Davidson®, 54ci, 61ci, 67ci, 74ci, 82ci, Each
Part Number: KNN-KN-170
Estimated Ship Date: Today
Estimated Ship Date: Today
Powersports Valvetrain Kit, Valve Spring Kit, Beehive, Tool Steel Retainers, 650 in. Lift, Kit
Part Number: CCA-9708-KIT
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
This product may not be eligible for select promotional offers
Oil Filter, Powersports, Canister, Chrome, 3/4 in.-16UNF Thread, 3.7 in. Tall, 2.9 in. OD, for use on Harley-Davidson®, 54ci, 67ci, 74ci, 82ci, Each
Part Number: KNN-KN-170C
Estimated Ship Date: Today
Estimated Ship Date: Today
S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Silver
Part Number: SSY-910-0700
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Oil Filter, Full-Flow Lube Spin-On, Canister Style, Buell, Moto Guzzi, Each
Part Number: FRM-PH6022
Estimated Ship Date: Today
Estimated Ship Date: Today
Top End Engine Kit, 97 in. Big Bore, Black Wrinkle Finish, Forged Pistons, Gaskets, Harley-Davidson®, Kit
Part Number: SSY-910-0205
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
ROCKER ARM SET NON-ROLLER
Part Number: SSY-900-4119A
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered 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
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Piston Set, KB Hyper Twin Cam 88 (88ci) 1998-2006 Rod-7.667 Bore-3.750 Stroke-4.000 C.H. 1.270 Flat Top +1cc
Part Number: UEM-KB425C010
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ENGINE VALVE TRAIN, 84-17 BIG TWIN, ROLLER ROCKER ARM SET FORGED
Part Number: SSY-900-4098A
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Rocker Arm Shafts, Steel, Natural, Buell, Harley-Davidson®, Set of 4
Part Number: SSY-90-4036
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Engine Piston, Tracker Series HD TC88 to 95cid 9.5:1 CR
Part Number: WIS-40207P2
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Engine Piston Set, HD 2007-17 TC96 2vp FT 9.6:1 103cid (X)
Part Number: WIS-K2790
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Cylinder Studs, Steel, Black Oxide, OEM/S&S Super Stock T2 Cases, Harley-Davidson®, Set of 8
Part Number: SSY-31-2340
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
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