KTM 300 EXC Gaskets & Seals

Vertex Complete Gasket Kits without Seals

Vertex Pistons offers complete gasket kits without seals for a wide range of ATVs, UTVs, and off-road motorcycles from brands such as Kawasaki, Suzuki, Arctic Cat, Honda©, KTM, Yamaha, Polaris, Bombardier, Can-Am, Husqvarna, and Maico. These replacement kits are application-specific to ensure precise fitment and leak-free performance. The gaskets are manufactured from factory materials and specs.

Not Yet Reviewed

$60.59

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$62.98

Vertex Complete Gasket Kits with Seals

Vertex leads the way in manufacturing high performance gaskets for dirt bikes, ATV, UTV, snowmobiles, and PWCs. Vertex offers a huge number of complete gasket kits with seals, each of which will save you time and money over trying to match up the correct components and buying them separately. Vertex complete gasket kits with seals are produced with the latest materials and technology in gasket production to Vertex specifications to ensure long-lasting performance and leak prevention for your rebuild needs. One kit contains the gaskets, O-rings, and valve seals necessary to rebuild the engine and transmission. Vertex's replacement gaskets and seals are available as a top end kits, complete engine kits, or as an oil seal kit. Choose the gasket kit designed for your application needs.

Not Yet Reviewed

$137.99

Cometic Gasket Ignition Cover Gaskets

Cometic Gasket has developed some of the highest performing gaskets available on the market that are proven under the most demanding track conditions. Their ignition cover gaskets are constructed from top-quality components to provide you with gaskets that are secure and dependable. Seal your ignition cover with gaskets from Cometic Gasket.

Not Yet Reviewed

$11.67

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$12.83

Cometic Gasket Exhaust Gaskets

Cometic Gasket exhaust gaskets are OEM replacement-style gaskets. Manufactured with a multitude of materials, they provide exceptional torque retention and outstanding resistance to blowout. Plus, these exhaust gaskets possess high crush resistance and a minimal required load to offer excellent sealing capabilities. Cometic Gasket exhaust gaskets are engineered to give your bike top performance and allow you to ride with confidence.

Not Yet Reviewed

$5.08

Cometic Gasket Cylinder Head O-Rings

Cometic Gasket cylinder head O-rings are the sealers that provide protection when you're working on your top-end. Manufactured from advanced materials for unmatched durability, they are tested and proven to be reliable, to protect against blowout, and provide exceptional sealing capabilities. Cometic Gasket cylinder head O-rings are your partners in top-end engine protection.

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$2.99

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$6.16

Cometic Gasket Powersports Water Pump Gaskets

Cometic Gasket powersports water pump gaskets are made from high-quality materials to ensure an excellent seal. Cometic Gasket powersports water pump gaskets are available for a variety of applications to suit your needs.

Not Yet Reviewed

$6.44

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$11.75

Pro-X Racing Parts Top End Gasket Kits

Pro-X top end gasket kits are designed for precise sealing, maximum durability, and optimal engine performance, making them an essential component for motocross, off-road motorcycles, dirt bikes, and ATVs. Manufactured from high-quality materials, these gasket kits provide exceptional heat resistance, superior sealing properties, and long-lasting durability, ensuring leak-free performance and reliable compression. Each Pro-X kit includes all necessary head, base, and exhaust gaskets, as well as valve seals and O-rings, making them a complete solution for top-end rebuilds. Select the kit needed for your powersports ride.

Not Yet Reviewed

$32.99

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$51.99

Cometic Gasket Power Valve Gaskets

Cometic Gasket power valve gaskets provide protection when you're working on your top-end. Manufactured from advanced materials for unmatched durability, these gaskets are tested and proven to be reliable. They protect against blowout and provide exceptional sealing capabilities. Cometic Gasket power valve gaskets are your partners in top-end engine protection.

Not Yet Reviewed

$2.54

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$4.15

Cometic Gasket Top-End Gasket Kits

Cometic Gasket top-end gasket kits contain the most technologically advanced materials available to ensure a critical seal and superior durability. These Cometic Gasket top-end gasket kits come complete with a head gasket, a base gasket, and designated kits include reed, power valve, and exhaust gaskets. Cometic graphite head gaskets are manufactured from non-asbestos, flexible graphite laminated to a stainless steel core, which is impervious to fuels, coolants, and oils.

4.0 out of 5 stars ( 2 )

$46.88

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$56.66

Cometic Gasket Powersports Crank Seals

The last thing you need riding out on the trails is to be stranded due to failing gaskets and seals. Cometic Gasket has you covered. Their powersports crank seals are made from quality materials to ensure leak-free performance.

Not Yet Reviewed

$16.63

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$35.24

Pro-X Racing Parts Head and Base Gasket Kits

Pro-X head and base gasket sets are engineered for superior sealing, durability, and precision fitment, making them an essential choice for motocross, off-road motorcycle, dirt bike, and ATV engines. Manufactured from high-quality, heat-resistant materials, these gasket sets provide exceptional compression retention, oil and coolant leak prevention, and long-lasting reliability, ensuring optimal engine performance. Each set includes head and base gaskets, designed to meet or exceed OEM specifications for seamless installation and a perfect fit. Select the kit designed for your powersports ride.

Not Yet Reviewed

$15.99

Pro-X Racing Parts Complete Gasket Kits

Pro-X complete gasket kits provide everything needed for a full engine rebuild, ensuring superior sealing, durability, and precision fitment for motocross, off-road motorcycles, dirt bikes, and ATVs. Each kit includes high-quality head gaskets, base gaskets, valve cover gaskets, oil seals, O-rings, and more, delivering a comprehensive package for maximum engine protection. Manufactured from premium, heat-resistant materials, Pro-X gaskets offer exceptional oil and coolant leak prevention, excellent compression retention, and long-lasting performance. Select the kit needed for your powersports ride.

Not Yet Reviewed

$89.99

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$117.99

Wiseco Bottom End Gasket Kits

Wiseco bottom end gasket kits are available for a variety of on-road and off-road motorcycles, ATVs, snowmobiles, and V-Twin applications. These gaskets are engineered by Wiseco to ensure compatibility with their pistons and crankshafts. Wiseco bottom end gasket kits are made from the highest quality sealing materials and contain all gaskets necessary for a successful rebuild.

5.0 out of 5 stars ( 1 )

$109.99

FMF Racing O-Ring Rebuild Kits

FMF Racing offers O-ring rebuild kits for a variety of off-road motorcycles, including many KTM, Husqvarna, and Gas Gas models from the early 2000s and up. The stock replacements are made from Viton© rubber according to factory specs, ensuring proper fit and long-lasting performance.

Not Yet Reviewed

$11.69

Cometic Gasket Powersports Sealing Washers

Cometic Gasket powersports sealing washers are manufactured from aluminum and designed as precision-stamped crush washers to provide a secure, leak-free seal. You'll be able to finish your powersports job like a pro. Cometic Gasket powersports sealing washers are always the right choice for your installations.

Not Yet Reviewed

$1.99

Cometic Gasket Bottom-End Gasket Kits

Cometic Gasket bottom-end gasket kits take the hassle out of rebuilding an engine. Don't waste your time searching for gasket part numbers. Cometic Gasket bottom-end gasket kits contain the most requested gaskets you need to complete your rebuild the right way, the first time. And, they give you strong sealing gaskets that are made to meet or exceed OEM specifications. Please pick the kits that suit your needs. Some gasket kits contain all of the gaskets needed for a total rebuild, and other kits contain only the most commonly requested gaskets.

Not Yet Reviewed

$92.94

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$98.16

Cometic Gasket Cylinder Base Gaskets

Cometic Gasket cylinder base gaskets utilize the best materials to provide optimum sealing. They have exceptional torque retention, require a minimal load to seal, and have a high resistance to crushing and blowouts. Install Cometic Gasket cylinder base gaskets when you need the best performance and properties from your gaskets.

5.0 out of 5 stars ( 1 )

$6.83

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$10.17

Wiseco Top End Gasket Kits

Wiseco top end gasket kits are made from the highest quality materials. Designed and engineered to complement their line of performance pistons, these gasket kits are 100 percent compatible with Wiseco pistons and crankshafts. Wiseco top end gasket kits are offered for off-road motorcycles, ATVs, on-road motorcycles, V-twin applications, and snowmobiles. Each kit comes with all of the gaskets necessary for a proper rebuild.

5.0 out of 5 stars ( 1 )

$32.99

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$47.99

Cometic Gasket Power Valve O-Rings

Cometic Gasket power valve O-rings are the sealers that provide protection when you're working on your top-end. Manufactured from advanced materials for unmatched durability, they are tested and proven to be reliable. They protect against blowout and provide exceptional sealing capabilities. Cometic Gasket power valve O-rings are your partners in top-end engine protection.

Not Yet Reviewed

$3.14

Cometic Gasket Center Case Gaskets

Cometic Gasket has developed some of the highest performing gaskets available on the market that are proven under the most demanding track conditions. Their center case gaskets are constructed from a high-temperature, creep-resistant Aramid fiber that is fuel-resistant and asbestos-free. Plus, they are available in different thicknesses and are designed to seal without using additional sealants. Seal your center case tight with the proven components and design of Cometic Gasket center case gaskets.

Not Yet Reviewed

$22.08

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$25.99