I've used Appliance Factory Parts previously and had a very good experience. Easy to find what I needed. Easy checkout process.
Water trough for: 43/48/54 rld & 5000 sd
Water trough for: 43/48/54 rld & 5000 sd/dd (30 27/32" lgth). oversize shipping of $17 is added to retail price for pick up give $17 off retail.
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.