This Alternator fits all Mercury 225 Pro XS DFI (Optimax) 3.0L 2-Stroke outboards (Serial #s 1B104549 through 2B535608).

These alternators are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day.  Our flat rate shipping is USPS Priority which is 2-3 business days to most of the U.S.  UPS Next Day and Second Day Air is available during checkout if you need it quicker.