O-Ring 19.5x1.5 for KTM 250/390 Duke/Adventure/RC - J770019515

This is an OEM O-ring with dimensions 19.5x1.5, designed to provide a reliable seal in the transmission countershaft assembly. It prevents fluid leaks and ensures smooth gear operation in compatible KTM and Husqvarna motorcycles. The part number is J770019515.

Compatible with KTM 250 Adventure (2020-2024), KTM 250 Duke (2014-2023), KTM 390 Adventure (2020-2024), KTM 390 Duke (2013-2023), KTM RC 390 (2014-2024), Husqvarna Svartpilen 250 (2020-2023), Husqvarna Svartpilen 401 (2018-2023), and Husqvarna Vitpilen 401 (2018-2023), across various colors, ABS/non-ABS, EU/US/GB/ASEAN markets, and Big Dealer (B.D.) variants.

Made to exact OEM specifications for perfect fit and long-lasting performance. This O-ring resists wear and maintains sealing integrity under high-pressure conditions in the transmission.

Installation requires standard transmission disassembly; replace during countershaft service to avoid leaks. Use proper torque specs for surrounding components.

Check compatibility list below to see if this part fits your motorcycle model.