Looks like you have two crossovers there. The left one has film caps (rarely fail) ?and the blue 80uF electrolytic. The right one has mostly electrolytics, the black ones are a good brand but could be old and need replacement. The grey one should be replaced.?
I just went thru this process and the improvement if any was very subtle.
Unless you just want to spend a fair amount of money I would replace all the black ones with the same value Polypropylene caps and replace both 80uF electrolytics with either a high end electrolytic or film cap. Parts express parts are OK if you want to save some money, other wise the sky is the limit.?
Far more critical is careful cleaning of the boards with a brush, vacuum, or compressed air then alcohol and careful soldering. My boards had MANY botched solder joints from the last person that repaired it. Those bad solder joints were easily audible. Far more audible that the new caps. The woofers were also wired out of phase relative to the correct wiring so if you are not the original owner you should check that as well.
The values should be derived from the schematic for your specific version. Also cross check with the values printed on each cap.
Charlie Conger