Primary fridge is a ~27 year old GE TFX27PFXFAA. It's one of the largest consumer grade side by sides I could find at the time, without paying a luxury tax.
It's needed a new ice maker, new water supply hose (the little 1/4" polyethylene tubing to the water dispenser), water valve solenoid, and one of the door open switches replaced. Also replaced the main water supply hose to it, just because it was so old and I don't want a leak causing damage.
No complaints otherwise considering how long it's been running, though I forget to clean out the drain hole/hose in the bottom so every few years it clogs and builds up more ice than the defrost feature can get rid of, reminding me that it's time to clean the drain out again.
My upright deep freeze is a ~40 year old Kenmore (rebranded Whirlpool) that hasn't needed anything, except recently the plastic door bushing has broken, and the door shelf plastic front rail side pieces have broken which I replaced with self fabricated sheet aluminum pieces.
My fault, I have a lot of weight on the door from blocks of frozen tomatoes, but they and the water bottle blocks I have in the freezer kept food frozen for 5 days during my last extended power outage. Biggest complaint is that it's not self defrosting so I have to manually defrost it every couple years, but that may have helped reduce running hrs. to prolong it's lifespan.