Hitachi 6698366 Spare Part - CYLINDER PACKING

Original Hitachi cylinder packing — part #669-8366 (also listed as 6698366 017-52250-20) — a precision replacement cylinder base gasket designed to restore compression and stop air/fuel leaks after piston, ring or cylinder service. This original Hitachi gasket fits the CG27 family of brushcutters and the 23.9cc RB/TRB24EAP blowers, delivering a direct-fit seal to return your engine to factory performance.

Made to Hitachi’s factory specifications for a tight, reliable seal, the 669-8366 gasket is recommended whenever you rebuild or replace the cylinder to prevent hardening-related leaks and ensure consistent pressure in the crankcase. Compatible model listings include CG27EASP (and related CG27 variants) plus RB24EAP / TRB24EAP — keep your garden tools running like new with genuine Hitachi parts.