Parts for the 2003 KTM SX300
PartCluster lists 9 wholesale parts that fit the 2003 KTM SX300 from 2+ brands, including Reeds & Power Valves, Pistons, Hardware & Fasteners. All parts are aggregated from authorised distributor catalogs and matched to this exact model year.

AthenaReeds & Power Valves
Athena Reeds & Power Valves — KTM EXC200, KTM EXC250, KTM EXC300 +3 more
50.BOYPSR-87Dealer pricing

AthenaReeds & Power Valves
Athena Reeds & Power Valves — KTM EXC300, KTM SX300
50.BOY618Dealer pricing

AthenaReeds & Power Valves
Athena Reeds & Power Valves — KTM EXC250, KTM EXC300, KTM EXC380 +3 more
50.BOYSSC142Dealer pricing

AthenaReeds & Power Valves
Athena Reeds & Power Valves — KTM EXC250, KTM EXC300, KTM SX300
50.BOYRAD-42CDealer pricing

AthenaReeds & Power Valves
Athena Reeds & Power Valves — KTM EXC250, KTM EXC300, KTM EXC380 +3 more
50.BOYSSF142Dealer pricing

AthenaPistons
Athena Pistons — KTM EXC300, KTM SX300
01.S4F07200001BDealer pricing

AccelHardware & Fasteners
Accel Hardware & Fasteners — KTM EXC200, KTM EXC250, KTM EXC300 +3 more
10.BKP-501Dealer pricing

AccelExhaust & Silencers
Accel Exhaust & Silencers — GasGas MC50, GasGas MC65, GasGas MC85 +26 more
68.PMK-501Dealer pricing

AthenaCrankshaft & Rods
Athena Crankshaft & Rods — Beta Beta250, Beta Beta300, GasGas EC250 +18 more
21.MNB180220198Dealer pricing