Hi, I tried to fix my ember chasing coster with the Harwin (3.5 mm tall) pins listed and found them too short. I measured the old ones at ~4.5mm so I’m now going to try a longer pins like the 1212-1847-ND (https://www.digikey.com/en/products/detail/preci-dip/90023-AS/5451870)
Good luck