Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Sharp
Countertop Microwave

Model # R-420CW Official Sharp microwave

Here are the diagrams and repair parts for Official Sharp R-420CW microwave, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 93 parts  |
Switch FFS-BA016/KIT

#1-07

All parts diagram

Switch

Part #FFS-BA016/KIT

The manufacturer no longer makes this part, and there's no substitute part

Microwave Display Board PSHEPB023MRE0

#3-04

All parts diagram

Microwave display board

Part #PSHEPB023MRE0

The manufacturer no longer makes this part, and there's no substitute part

Fan Blade NFANPB001MRE0

#4-06

All parts diagram

Fan blade

Part #NFANPB001MRE0

The manufacturer no longer makes this part, and there's no substitute part

Hook PHOK-B018MRF0

#4-03

All parts diagram

Hook

Part #PHOK-B018MRF0

The manufacturer no longer makes this part, and there's no substitute part

Transformer RTRNPB009MRE0

#NI

All parts diagram

Transformer

Part #RTRNPB009MRE0

The manufacturer no longer makes this part, and there's no substitute part

Temperature Fuse QFS-TA013WRE0

#1-09

All parts diagram

Temperature fuse

Part #QFS-TA013WRE0

The manufacturer no longer makes this part, and there's no substitute part

Switch QSW-MA085WRE0

#1-08

All parts diagram

Switch

Part #QSW-MA085WRE0

The manufacturer no longer makes this part, and there's no substitute part

Fuse QFS-TA014WRE0

#1-10

All parts diagram

Fuse

Part #QFS-TA014WRE0

The manufacturer no longer makes this part, and there's no substitute part

Magnetron RV-MZA255WRE0

#1-11

All parts diagram

Magnetron

Part #RV-MZA255WRE0

The manufacturer no longer makes this part, and there's no substitute part

Capacitor VRD-B12EF242J

#NI

All parts diagram

Capacitor

Part #VRD-B12EF242J

The manufacturer no longer makes this part, and there's no substitute part

Effective articles & videos to help repair your microwaves

View all
5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

Read more
Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more

Parts & More