Microwave Waveguide Cover 2 PCS - Thick Mica Slice Replacement

Our review of the 2 PCS Microwave waveguide Cover finds it is a practical, no-nonsense replacement for microwaves that use a 4 in x 4.33 in mica sheet. This kit is aimed at homeowners and repair-minded users who need to protect the magnetron from food splashes and avoid smoke or ablation from a damaged cover. The single biggest reason to buy is the thick, heat-insulating mica construction that installs easily and restores safe operation when the original cover is stained, cracked, or burned.

Key Features

• Direct fit replacement: The cover matches the original shape so it can replace Frigidaire 5304464061 style parts without modification.
• Thick mica construction: Super thick heat insulation reduces risk of hot spots and helps protect the magnetron during normal use.
• Easy installation: The sheet installs and replaces the old mica cover with simple steps, making the repair accessible to most users.
• Universal when matched: Works with many makes and models as long as the shape and size are the same, offering broad compatibility.
• Safety reminder: Replacing a contaminated or cracked mica cover prevents ablation and potential fire hazards in the oven cavity.

Who It's For

This replacement mica slice is for homeowners who use their microwave regularly and want a low-cost, effective way to maintain safety and prolong oven life. It suits people comfortable with basic appliance maintenance and those who prefer replacing a single part rather than a full service call.

It is not for users who have an unfamiliar waveguide shape or size; customers should verify the 4 in x 4.33 in dimensions and the lack of 4 corner tabs before buying. If the original mica has a different outline or you expect a flexible or foldable cover, look for a part matched exactly to that variation instead.

Pros & Cons

Pros

• Thick, insulating mica material offers reliable protection for the magnetron and internal components.
• Simple, direct-replacement design that fits Frigidaire 5304464061 style waveguide openings when shape matches.
• Sold as a 2 PCS set, so there is a spare for future replacement or multiple ovens.

Cons

• Compatibility depends strictly on matching shape and size, so careful measurement is required before purchase.
• Rigid mica cannot be folded, which may limit use in ovens that require a flexible or tabbed cover.

Specifications

Product type	Microwave waveguide cover (mica slice)
Quantity	2 PCS
Dimensions	4 in x 4.33 in (10.2 cm x 11 cm)
Compatibility	Suitable for Frigidaire 5304464061, MM823EA6-PS KD23B-AH and similar shapes
Material	Super thick mica for heat insulation
Installation	Easy replacement, matches original appearance
Guarantee	Quality 100% guaranteed

Our Verdict

The 2 PCS microwave waveguide cover is a sensible, affordable solution for anyone needing to replace a damaged mica sheet and protect their magnetron. For owners of compatible Frigidaire-style ovens or any microwave with the same 4 in by 4.33 in shape, it provides reliable insulation, simple installation, and good value compared with professional repair.

Frequently Asked Questions

Will this cover fit my microwave?
It will fit if your original mica sheet is the same shape and measures approximately 4 in x 4.33 in; confirm the outline matches before ordering.

How often should the mica sheet be replaced?
Replace it when it becomes heavily soiled, blackened, cracked, or shows signs of ablation; regular inspection during cleaning is recommended.

Can this mica be folded to fit?
No, the sheet is super thick and cannot be folded; it is intended as a rigid replacement for matching openings.