Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (17) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Make/Model
Part Type
- Powersports Gasket Kits (10) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Crankcase Center Gaskets (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Crankshaft Seals (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- Cometic Powersport Gaskets (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Pro-X Racing Parts (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Wiseco (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filter Options
- PowerSports (13)
- Made In USA (9)

KTM 300 EXC Gaskets & Seals

Showing In Stock Items. Show All 17 Items.

Individual Parts

Part Groups

Results 1 - 13 of 13

Cometic Gasket Top-End Gasket Kits for 1990-1999 300 EXC, 1992-1996 300 SX - C7099

Cometic Gasket Top-End Gasket Kits for 1990-1999 300 EXC, 1992-1996 300 SX - C7099

Gaskets, Top End Set, KTM, Motorcycle, Kit

Part Number: CPG-C7099

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Pro-X Racing Parts Top End Gasket Kits for 1990-2003 300 EXC - 35.6340

ProX Top End Gasket Set KTM300SX-EXC '90-03

Part Number: PXR-35-6340

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Pro-X Racing Parts Top End Gasket Kits for 2004 300 EXC - 35.6344

ProX Top End Gasket Set KTM300SX-EXC '04

Part Number: PXR-35-6344

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Gasket Top-End Gasket Kits for 2000-2004 300 EXC, 300 MXC - C7816

Gaskets, Top End Set, KTM, Motorcycle, Kit

Part Number: CPG-C7816

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Cometic Gasket Powersports Crank Seals C7662

Crankshaft Seals, KTM, Pair

Part Number: CPG-C7662

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Pro-X Racing Parts Top End Gasket Kits 35.6348

ProX Top End Gasket Set KTM300EXC '08-16

Part Number: PXR-35-6348

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Gasket Center Case Gaskets EC286020F

Gasket, Center Crankcase, Each

Part Number: CPG-EC286020F

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Cometic Gasket Center Case Gaskets EC779020F

Gasket, Center Crankcase, Each

Part Number: CPG-EC779020F

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Wiseco Top End Gasket Kits W6358

Gaskets, Powersports, Top End, 72.00mm Bore, KTM, Kit

Part Number: WIS-W6358

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Pro-X Racing Parts Top End Gasket Kits for 2005-2007 300 EXC - 35.6345

ProX Top End Gasket Set KTM300SX-EXC '05-07

Part Number: PXR-35-6345

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Wiseco Top End Gasket Kits for 2004 300 EXC, 300 MXC - W6352

Gaskets, Powersports, Top End, 72.00mm Bore, KTM, Kit

Part Number: WIS-W6352

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Wiseco Top End Gasket Kits for 1991-2003 300 EXC, 300 MXC - W5328

Gaskets, Powersports, Top-End, 73.00mm Bore, KTM, Kit

Part Number: WIS-W5328

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Wiseco Top End Gasket Kits W6622

Gaskets, Powersports, Top End, 72.00mm Bore, Husaberg, KTM, Kit

Part Number: WIS-W6622

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Page 1 of 1