O-Ring 17.7x2.1mm for KTM 125-390 Duke/RC, Husqvarna - J770017721

This is an OEM O-ring with dimensions 17.7 x 2.1 mm, used in clutch cover and lubricating system assemblies on KTM and Husqvarna motorcycles. It provides a reliable seal to prevent leaks and ensure proper function in engine components.

Compatible with KTM 125 Duke, 200 Duke, 250 Duke/Adventure, 390 Duke/Adventure/RC, 125/390 Enduro R/SMC R models from 2011-2026 (various colors, ABS/non-ABS, EU/US/RW/GB variants), and Husqvarna Svartpilen/Vitpilen 125, 200, 250, 401 models from 2018-2026. Fits all listed regional and Big Dealer (B.D.) specifications across years.

Made to exact OEM specifications for durability and perfect fit. Ensures optimal sealing in high-pressure environments like oil pumps and covers.

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