40-55HP Yamaha Outboard Drive Shaft O-Ring 93210-41042 – Replaces OEM Seal

Replacement O-ring for Yamaha outboard lower units, used to seal the drive shaft within the gearcase assembly. Manufactured to OEM specification, this O-ring ensures proper sealing, helping prevent water ingress and maintaining the integrity of the lower unit. Replaces Part Number 93210-41042 Fitment Yamaha Outboards (6H4 / 6H5 / 6E9 Series) • 40 HP – Models with 6E9 / 6H4 serial ranges • 50 HP – Models with 6H5 series • 55 HP – Selected models Typical Year Range: • 40HP – 1984–1993 • 50HP – 1984–1993 • 55HP – 1989–1993 IMPORTANT This O-ring corresponds to No. 21 on the Yamaha lower unit diagram (drive shaft assembly). Please confirm compatibility with your engine model and serial number before purchase. Details • Product: O-Ring • Type: Replacement part • Application: Drive shaft seal (lower unit) • Engine Type: Yamaha Outboards • Direct replacement – no modification required Why Buy from SSI Marine Workshop-tested aftermarket & OEM-spec parts Fast UK dispatch (same-day before 1 PM Mon–Fri) Tracked 24-hour UK delivery UK stock – collection available from Leigh (Manchester) Technical support available Buyer Responsibility Please confirm compatibility with your engine model and serial number before purchase. If unsure, contact us — our technical team will be happy to help.