40-55HP Yamaha Outboard O-Ring 93210-66M98 – Replaces 93210-66M98-00 Bearing Carrier Seal

O-ring for Yamaha outboard lower units, designed to seal the bearing carrier within the drive shaft housing. Manufactured to OEM specification, this O-ring provides reliable sealing performance, helping prevent water ingress and protect internal components in harsh marine environments. Replaces Part Number 93210-66M98-00 93210-66M98 Sierra: 18-0299 GLM: 84265 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 Fits a range of 2-stroke and compatible models. IMPORTANT This O-ring corresponds to No. 52 on the Yamaha lower unit diagram (bearing carrier assembly). Please confirm compatibility with your engine model and serial number before purchase, as variations may exist. Details • Product: O-Ring • Type: Aftermarket replacement • Application: Bearing carrier 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.