Water filter bypass
Makers suggest a new water filter about every six months.
Air filter
Replaces ADQ73214404
Filters clog with use. The manual lists how often to change it.
Drawer roller
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Water inlet valve
Slow filling, no water or no ice can trace back to this valve.
Water filter
Also sold as LT700P
Makers suggest a new water filter about every six months.
Air filter
Air filters load up with dust and smells. The maker lists how often to change it.
Tray roller
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Assembly - refrigerator ice maker part by lg
Replaces AEQ72909602
No ice, or ice that won't drop, points to the ice maker.
Assembly - refrigerator ice making component by lg
No ice, or ice that won't drop, points to the ice maker.
Dispenser switch
Door, lid and control switches stop a cycle when they fail.
Door basket assembly
Replaces AAP73252306
Crisper drawers, shelves and door bins made for this fridge.
1Filter bypassABN73019101
2Air filterADQ73214408
3Drawer rollerAHJ72909001
4Inlet valveAJU72992603Part numbers come from the Sears PartsDirect parts list for the LG LFX29945ST (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Where the model number is
Inside the fresh food section, on a side wall or the ceiling near the light. Some models: behind the kick plate at the bottom.