Yanmar 6LY / 6LY3 Main Bearing Cap with Balancer Idler Gear Assembly - Used

Application: Marine diesel engine main crankshaft bearing cap with integrated balancer / idler scissor gear assembly — believed to fit Yanmar 6LY / 6LY3 series inline-6 marine diesels. Includes cap, two studs with nuts, and the spring-loaded anti-backlash idler gear on the center bolt. Condition: Used take-off in serviceable / core-grade condition. Light oil film and normal service patina; no obvious cracks or chipped teeth visible in photos. Not tested or measured. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.