Bottom Mat (BCIM44)

Diagnosing inconsistent operation often leads back to a worn or damaged part—Bottom Mat BCIM44 (part 1865301600) is one of those common service items. The listing name references model(s) BCIM44. Technicians typically replace this part when they’re seeing inconsistent operation, visible wear, cracking, or a component that won’t stay seated. A solid approach is to confirm the symptom, then check mounting points and adjacent connections for secondary damage. This replacement component supports normal operation by restoring fit, sealing, alignment, or control behavior. Disconnect power before service. Reinstall carefully so nothing pinches, rubs, or binds once the unit is back together. A correct-fit replacement can prevent small issues from turning into bigger failures. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. Clean the area around the repair so debris doesn’t interfere with fitment or sealing surfaces. If the part interacts with water, do a leak check during the first run and again after a short operating period. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. If the part interacts with water, do a leak check during the first run and again after a short operating period. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. If the part interacts with water, do a leak check during the first run and again after a short operating period. If the part interacts with water, do a leak check during the first run and again after a short operating period. If the part interacts with water, do a leak check during the first run and again after a short operating period.