Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Sharp R-4A78 microwave Parts

Here are the diagrams and repair parts for Sharp R-4A78 microwave, as well as links to manuals and error code tables, if available.

Sharp R-4A78 microwave
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for R-4A78 Microwaves

  • High Voltage Wire for Sharp R-4A78 - Part QW-QZB016MRE0

    #1-14

    All parts diagram

    High Voltage Wire

    Part #QW-QZB016MRE0

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

  • Door Assembly (r-4a48) for Sharp R-4A78 - Part CDORFB130MRK0

    #4-00

    All parts diagram

    Door Assembly (r-4a48)

    Part #CDORFB130MRK0

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

  • Screw for Sharp R-4A78 - Part LX-BZ0081YBE0

    #6-04

    All parts diagram

    Screw

    Part #LX-BZ0081YBE0

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

  • Transistor for Sharp R-4A78 - Part VSKRC243M//-3

    #NI

    All parts diagram

    Transistor

    Part #VSKRC243M//-3

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

  • (t1) Transformer for Sharp R-4A78 - Part RTRNPA092DRE0

    #NI

    All parts diagram

    (t1) Transformer

    Part #RTRNPA092DRE0

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

  • Door Screen for Sharp R-4A78 - Part HPNL-B046MRE0

    #4-07

    All parts diagram

    Door Screen

    Part #HPNL-B046MRE0

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

  • (7-32) Screw; Temp. Fuse Angle Mtg for Sharp R-4A78 - Part XCBSD30P08000

    #6-07

    All parts diagram

    (7-32) Screw; Temp. Fuse Angle Mtg

    Part #XCBSD30P08000

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

  • Transistor for Sharp R-4A78 - Part VSKRC101M//-3

    #NI

    All parts diagram

    Transistor

    Part #VSKRC101M//-3

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

  • Open Button (r-4a48) for Sharp R-4A78 - Part JBTN-B026MRF0

    #3-05

    All parts diagram

    Open Button (r-4a48)

    Part #JBTN-B026MRF0

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

  • (d1-4) Diode (11es1) (4) for Sharp R-4A78 - Part VHD11ES///-1

    #NI

    All parts diagram

    (d1-4) Diode (11es1) (4)

    Part #VHD11ES///-1

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

Effective articles & videos to help repair your microwaves

Are DIY appliance repairs safe?

Are DIY appliance repairs safe?

Find out how to stay safe when repairing your appliances.…

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.…

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.…

Parts & More

Bottom-Mount Refrigerator
Dishwasher
Electric Wall Oven
Front-Engine Lawn Tractor
Parts
Side-By-Side Refrigerator