Collection: KTM 300 SX Parts & Spares

Shop KTM 300 SX parts and spares for maintenance, engine rebuilds and motocross competition. Browse replacement and performance components for KTM's 300cc 2-stroke motocross models, including engine, clutch, suspension, brakes, exhaust, drivetrain and service parts.

CYLINDER BASE GASKET 0.8mm KTM 250/300 SX 2023-26, ATHENA S410270006139 HUSQVARNA GAS GAS

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CYLINDER BASE GASKET 0.8mm KTM 250/300 SX 2023-26, ATHENA S410270006139 HUSQVARNA GAS GAS

Regular price £5.67 GBP

Regular price Sale price £5.67 GBP
Unit price per

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CYLINDER BASE GASKET 0.4mm KTM 250/300 SX 2023-26, ATHENA S410270006136 HUSQVARNA GAS GAS

CYLINDER BASE GASKET 0.4mm KTM 250/300 SX 2023-26, ATHENA S410270006136 HUSQVARNA GAS GAS

Regular price £5.67 GBP

Regular price Sale price £5.67 GBP
Unit price per
OUTER CYLINDER HEAD GASKET KTM 250/300 SX 2023-26, ATHENA M752010700084 HUSQVARNA GASGAS

OUTER CYLINDER HEAD GASKET KTM 250/300 SX 2023-26, ATHENA M752010700084 HUSQVARNA GASGAS

Regular price £2.66 GBP

Regular price Sale price £2.66 GBP
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CYLINDER BASE GASKET 0.3mm KTM 250/300 SX 2023-26, ATHENA S410270006135 HUSQVARNA GAS GAS

CYLINDER BASE GASKET 0.3mm KTM 250/300 SX 2023-26, ATHENA S410270006135 HUSQVARNA GAS GAS

Regular price £5.67 GBP

Regular price Sale price £5.67 GBP
Unit price per
Exhaust Pipe Rubber Connector Orange KTM 250 300 SX XC EXC XCW TPi 17-22 55405057000

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Exhaust Pipe Rubber Connector Orange KTM 250 300 SX XC EXC XCW TPi 17-22 55405057000

Regular price £11.91 GBP

Regular price Sale price £11.91 GBP
Unit price per

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RADIATOR KTM 450-520 SXF LEFT, 008032 IROD 59035007300 SX-F

RADIATOR KTM 450-520 SXF LEFT, 008032 IROD 59035007300 SX-F

Regular price £132.00 GBP

Regular price Sale price £132.00 GBP
Unit price per
SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLUE, KTM-132 BU

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLUE, KTM-132 BU

Regular price £93.94 GBP

Regular price Sale price £93.94 GBP
Unit price per
SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, ORANGE, KTM-132 OR

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, ORANGE, KTM-132 OR

Regular price £93.94 GBP

Regular price Sale price £93.94 GBP
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SAMCO HOSE KIT KTM OEM Design 250 300 SX F, 4 PIECE KIT, BLUE, KTM-57-BU

SAMCO HOSE KIT KTM OEM Design 250 300 SX F, 4 PIECE KIT, BLUE, KTM-57-BU

Regular price £86.06 GBP

Regular price Sale price £86.06 GBP
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GEAR LEVER SHIFT KTM 250/300 SX 2023, BLACK ALUMINIUM FORGED, SCAR RACING GSL517BK

GEAR LEVER SHIFT KTM 250/300 SX 2023, BLACK ALUMINIUM FORGED, SCAR RACING GSL517BK

Regular price £37.94 GBP

Regular price Sale price £37.94 GBP
Unit price per
TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002C, SET C

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002C, SET C

Regular price £228.65 GBP

Regular price Sale price £228.65 GBP
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TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002B, SET B

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002B, SET B

Regular price £228.65 GBP

Regular price Sale price £228.65 GBP
Unit price per
TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002A, SET A

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002A, SET A

Regular price £228.65 GBP

Regular price Sale price £228.65 GBP
Unit price per
WATER PUMP GASKET KIT KTM 250/300 SX 23-25, HUSQVARNA TC 250 23-25, ATHENA P400270475025 WITH BEARING

WATER PUMP GASKET KIT KTM 250/300 SX 23-25, HUSQVARNA TC 250 23-25, ATHENA P400270475025 WITH BEARING

Regular price £32.79 GBP

Regular price Sale price £32.79 GBP
Unit price per
SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLACK, KTM-132 BK

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SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLACK, KTM-132 BK

Regular price £93.94 GBP

Regular price Sale price £93.94 GBP
Unit price per

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IMS Fuel Tank 3.0 gal Natural Screw Cap, KTM 125 150 250 300 SX XC, 113342-N2

IMS Fuel Tank 3.0 gal Natural Screw Cap, KTM 125 150 250 300 SX XC, 113342-N2

Regular price £518.66 GBP

Regular price Sale price £518.66 GBP
Unit price per

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Collection: KTM 300 SX Parts & Spares

Shop KTM 300 SX by part type

CYLINDER BASE GASKET 0.8mm KTM 250/300 SX 2023-26, ATHENA S410270006139 HUSQVARNA GAS GAS

CYLINDER BASE GASKET 0.8mm KTM 250/300 SX 2023-26, ATHENA S410270006139 HUSQVARNA GAS GAS

CYLINDER BASE GASKET 0.4mm KTM 250/300 SX 2023-26, ATHENA S410270006136 HUSQVARNA GAS GAS

CYLINDER BASE GASKET 0.4mm KTM 250/300 SX 2023-26, ATHENA S410270006136 HUSQVARNA GAS GAS

OUTER CYLINDER HEAD GASKET KTM 250/300 SX 2023-26, ATHENA M752010700084 HUSQVARNA GASGAS

OUTER CYLINDER HEAD GASKET KTM 250/300 SX 2023-26, ATHENA M752010700084 HUSQVARNA GASGAS

CYLINDER BASE GASKET 0.3mm KTM 250/300 SX 2023-26, ATHENA S410270006135 HUSQVARNA GAS GAS

CYLINDER BASE GASKET 0.3mm KTM 250/300 SX 2023-26, ATHENA S410270006135 HUSQVARNA GAS GAS

Exhaust Pipe Rubber Connector Orange KTM 250 300 SX XC EXC XCW TPi 17-22 55405057000

Exhaust Pipe Rubber Connector Orange KTM 250 300 SX XC EXC XCW TPi 17-22 55405057000

RADIATOR KTM 450-520 SXF LEFT, 008032 IROD 59035007300 SX-F

RADIATOR KTM 450-520 SXF LEFT, 008032 IROD 59035007300 SX-F

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLUE, KTM-132 BU

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLUE, KTM-132 BU

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, ORANGE, KTM-132 OR

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, ORANGE, KTM-132 OR

SAMCO HOSE KIT KTM OEM Design 250 300 SX F, 4 PIECE KIT, BLUE, KTM-57-BU

SAMCO HOSE KIT KTM OEM Design 250 300 SX F, 4 PIECE KIT, BLUE, KTM-57-BU

GEAR LEVER SHIFT KTM 250/300 SX 2023, BLACK ALUMINIUM FORGED, SCAR RACING GSL517BK

GEAR LEVER SHIFT KTM 250/300 SX 2023, BLACK ALUMINIUM FORGED, SCAR RACING GSL517BK

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002C, SET C

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002C, SET C

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002B, SET B

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002B, SET B

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002A, SET A

TOP END PISTON & GASKET KIT 72MM KTM SX 300 23-24, ATHENA P4C0720096002A, SET A

WATER PUMP GASKET KIT KTM 250/300 SX 23-25, HUSQVARNA TC 250 23-25, ATHENA P400270475025 WITH BEARING

WATER PUMP GASKET KIT KTM 250/300 SX 23-25, HUSQVARNA TC 250 23-25, ATHENA P400270475025 WITH BEARING

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLACK, KTM-132 BK

SAMCO HOSE KIT KTM HSQ 250/300 SX 23-24 OEM, 4 PIECE KIT, BLACK, KTM-132 BK

IMS Fuel Tank 3.0 gal Natural Screw Cap, KTM 125 150 250 300 SX XC, 113342-N2

IMS Fuel Tank 3.0 gal Natural Screw Cap, KTM 125 150 250 300 SX XC, 113342-N2

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Collection: KTM 300 SX Parts & Spares

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