How to Troubleshoot & Replace Whirlpool AP4301226 / W10120839A Grease Filter

Just replaced 

Easily. 

Simple fix no tools required. 

I contact the chat service and the representative has the most wonderful information and customer services. Finally I purchase the part AP3119799, Order 9388339, using as help the chat online. I didn’t know the model only the serial part. The representative was 1000 % wonderful. Thank you for your help 

I order my parts from appliance part pros extant service delivered parts over night I was impressed removed all the screws that held the base in place when base came down all the lights were exposed replaced the bulbs put it all back together now we have lights and new filters... 

Just needed new filters for microwave hood. Also needed new dishwasher basket. Easy repairss. I was really impressed at the speed of the delivery. 

What a deal! Genuine factory replacement filters at half the price noted on the manufacturer's website. Two minutes to order online. Three days to wait for receipt of shipment. Two minutes to install. Put savings back into pocket. Thank you, Appliance Parts Pros. 

Just switch the old filter for the new very easy thanks 

Replaced the perfect fitting glass tray. Also replaced the grill and charcoal filters with ease. All the products arrived quickly. 

Replaced