Genuine OEM Detroit Diesel crankshaft timing gear (crank sensor gear), part number 08929497. Fits Series 50 (8.5L) and Series 60 engines (11.1L / 12.7L / 14.0L). NOS (new old stock) condition. No core charge or return required. Price is firm as listed unless “offers” enabled. Unsolicited discount requests will be ignored; repeated messaging may result in blocking. Honest mistake or fitment question? Message me first, happy to work it out!