Difference in part #s

[Quinnd]

Anyone know the difference between these two nozzle part #s? Obviosly one is for 02-03 and mine is 04 but will it fit?
Thinking of going 1-2mm larger dia with a 18/30 impeller
47310-HW1-670
47310-HW1-690 (04 05 06 07)