Jvm1190byc03 Parts

A replacement magnetron duct that directs microwave energy and helps protect internal components in countertop and over-the-range microwaves. Restores correct waveguide alignment and helps maintain heating performance when the old duct is damaged. What it does:

• Channels microwaves from the magnetron to the oven cavity while shielding surrounding components.
• Protects the magnetron and high-voltage area from debris and arcing.
• Commonly replaced when cracked, warped, or showing burn marks that can affect heating.
• Helps reduce unusual noises or sparking coming from the microwave cavity area.

• Disconnect power and discharge high-voltage capacitors before accessing the magnetron.
• Wear gloves and eye protection; sharp sheet-metal edges may be present.
• Secure mounting screws to prevent gaps that can cause arcing.
• Do not operate the microwave with covers or ducts missing or improperly installed.