Dirt Bike Engine Seals - Orings and Kits

A complete engine and transmission rebuild demands precision sealing to prevent oil leakage, compression loss, and contamination. This MOOSE OFFROAD Oil Seal Set gives you every gasket and seal needed for a full Yamaha engine overhaul, eliminating the...

A complete engine and transmission rebuild demands precision sealing to prevent oil leakage and maintain compression integrity. This MOOSE OFFROAD Oil Seal Set delivers all the OEM-equivalent gaskets and seals you need in one package, eliminating the...

Engine and transmission rebuilds demand precision seals that won't compromise your freshly machined components. MOOSE OFFROAD Oil Seals deliver OEM-equivalent fitment and durability at a fraction of dealership pricing, allowing you to complete a full...

Engine and transmission rebuilds demand seals that won't compromise your work or your reputation. MOOSE OFFROAD Oil Seals deliver OEM-equivalent reliability at a fraction of dealership pricing, so you can rebuild with confidence knowing every critical...

Oil seals are critical components that prevent fluid leakage and maintain pressure integrity in your engine and transmission—neglect them during a rebuild and you risk catastrophic failure. The MOOSE 822399MSE seal set provides a comprehensive,...

Engine seals degrade over time, leading to oil leaks, contamination, and potential internal damage that compromises performance and reliability. MOOSE OFFROAD Motor Seals deliver OEM-quality replacement seals at a fraction of dealership pricing, so you...

Engine seal degradation is one of the most common culprits behind oil leaks and loss of compression in high-mileage builds. This comprehensive gasket kit from MOOSE Offroad eliminates the guesswork by providing every critical seal your Honda engine needs...

Engine seal degradation leads to oil leaks, compromised compression, and catastrophic engine failure—especially critical in high-demand off-road conditions where reliability is non-negotiable. This comprehensive gasket kit eliminates the guesswork by...

Front sprocket replacements demand precision fastening—and countershaft snap rings are easy to overlook until you need them. Keep this 10-pack of MOOSE Racing snap rings in your pit box or garage to eliminate downtime during maintenance. Individual...

Front sprocket replacements demand precision fitment, and overlooking the countershaft washer is a costly mistake that leads to improper bearing preload and premature wear. This 10-pack from MOOSE Racing ensures you'll always have the correct washer on...

Engine seals and o-rings are critical wear items that degrade with heat cycles and fluid exposure—compromised seals lead to oil leaks, contamination, and catastrophic engine failure. This genuine OEM kit restores factory-spec integrity to your fuel...

A compromised oil seal or gasket doesn't just leak—it costs you horsepower, reliability, and engine longevity. This comprehensive Moose Racing Oil Seal Set delivers everything you need for a complete engine and transmission rebuild in one box,...

A complete engine and transmission rebuild demands precision sealing to prevent oil leakage, contamination, and premature wear. This MOOSE RACING Oil Seal Set eliminates the guesswork of sourcing individual seals and gaskets across multiple suppliers,...

A failing crankshaft oil seal is a silent killer—it allows oil to seep past critical bearing surfaces, risking catastrophic engine damage and costly rebuilds. The PROX Crankshaft Oil Seal Set delivers complete peace of mind with OEM-specification seals...

Crankshaft oil seals are critical barriers against oil leakage and contamination—worn or failed seals compromise engine efficiency and can lead to costly damage. The PROX 42.7218 set delivers OEM-specification seals that restore proper crankshaft sealing...

A complete crankshaft rebuild demands precision sealing to prevent oil leakage and maintain engine integrity. The PROX Crankshaft Oil Seal Set delivers OEM-specification components manufactured to exact tolerances, ensuring reliable performance whether...

A compromised crankshaft seal can lead to catastrophic oil loss and engine damage—especially under high RPM conditions where pressure spikes expose even minor leaks. The PROX Crankshaft Oil Seal Set keeps oil where it belongs: inside the engine. This...

A worn or damaged cylinder head gasket compromises combustion sealing, leading to loss of compression, coolant leaks, and potential engine damage. The COMETIC C3694 Top End Gasket/O-Ring Kit supplies all OEM-equivalent sealing components needed for a...

Drive shaft seals are critical to preventing fluid loss and contamination in your drivetrain—neglecting them leads to costly damage and performance degradation. The WINDEROSA 624103 kit provides OEM-equivalent seals engineered to maintain proper pressure...

Fuel injector leaks compromise engine performance and waste fuel—often causing rough idling, poor cold starts, and increased emissions. The WINDEROSA Injector O-Ring Kit 625009 provides OEM-quality replacement seals that restore a complete fuel system...