Is your Frigidaire fridge not cooling properly? It might be the defrost thermostat. This 2-pack from UpStart Components replaces part #5303918214 and is compatible with Frigidaire model FPHC2399KF1 (also fits part numbers AP2150145, 892545, AH469522, EA469522, PS469522). It’s an aftermarket part—not OEM—but made with durable materials to resist wear and extend the life of your fridge. Installing it yourself is straightforward if you’re handy with basic tools; just follow your appliance manual or online guides. Having two means you’ve got a spare for future repairs. Affordable, reliable, and a smart way to avoid costly service calls. Keep your fridge running smoothly and your food fresh. Note: This part is not affiliated with Frigidaire and comes with UpStart Components’ own warranty. A practical fix for DIYers!