Build quality variance determines whether your oven survives 15 years or fails at seven

https://urgentappliancerepair-residential-sac-near-house-of-jacob7561.zenbloomer.com/posts/replacement-becomes-mandatory-when-drum-assemblies-exceed-50-percent-of-original-appliance-value

Oven replacement timing depends far more on brand reliability and construction quality than on a fixed timeline