.xp{font-family:Arial,sans-serif;color:#222;line-height:1.55}.xp .hero{background:linear-gradient(135deg,rgba(0,0,0,.86) 55%,rgba(0,0,0,.45)),url('https://cdn.shopify.com/s/files/1/0897/7783/2225/files/4444444444444444.png?v=1777040489') center/cover no-repeat;padding:34px 28px;border-radius:14px;color:#fff;margin-bottom:24px}.xp .label{display:inline-block;background:#d71920;color:#fff;font-weight:800;font-size:13px;letter-spacing:.5px;padding:7px 12px;border-radius:999px;margin-bottom:12px}.xp .hero h2{color:#fff!important;font-size:30px;line-height:1.15;margin:0 0 12px}.xp .hero p{color:#fff;margin:0 0 14px;max-width:850px}.xp .specs{display:flex;gap:8px;flex-wrap:wrap}.xp .specs span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:6px 10px;border-radius:999px;font-size:13px}.xp h2{font-size:23px;margin:28px 0 12px}.xp .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:12px}.xp .card{border:1px solid #e6e6e6;border-radius:10px;padding:14px;background:#fff}.xp .card strong{display:block;color:#d71920;margin-bottom:4px}.xp .box{border-left:4px solid #d71920;background:#f7f7f7;padding:14px 16px;border-radius:8px}.xp .note{background:#f7f7f7;padding:14px 16px;border-radius:8px}.xp ul{padding-left:22px}.xp .models{word-break:break-word}.xp .us{font-weight:700;margin-top:8px}.xp .preserved-images img{max-width:100%;height:auto} SPARKING OR ARCING INSIDE THE MICROWAVE CAVITY Panasonic Microwave Wave Guide Cover F20555K00AP, Replaces B20554M00AP, B20554U00AP, Fixes Sparking or arcing inside the microwave cavity Microwave waveguide cover that screens the waveguide channel from debris and food splatters. Part F20555K00APReplaces B20554M00AP, B20554U00APPanasonic Microwave waveguide cover that screens the waveguide channel from debris and food splatters. Is This the Right Part? Part NumberF20555K00AP ReplacesB20554M00AP, B20554U00AP ManufacturerPanasonic Appliance TypeMicrowave Part TypeWave Guide Cover Common Symptoms Burning smell during operation Visible burn marks, charring, cracks, or a hole in the cover Arcing associated with food or grease buildup on the cover Cover is loose or will not stay in place Check Before Replacing Unplug the microwave before inspection or cleaning. Visually inspect the waveguide cover for food or grease buildup, burn marks, charring, cracks, holes, or looseness. If the cover is intact but dirty, clean it carefully according to the appliance manufacturer's instructions and reinstall it; do not operate the microwave with the cover removed. If the cover is burned, cracked, holed, or distorted, discontinue use until it is replaced. Pro Tip Clean food and grease from an intact cover promptly; burned or perforated waveguide covers should be replaced rather than reused. Part Details Part NumberF20555K00AP Part TypeWave Guide Cover ManufacturerPanasonic Appliance TypeMicrowave Primary FunctionScreens the microwave waveguide channel from food debris, grease, splatters, and moisture. Cross ReferencesB20554M00AP, B20554U00AP, WB02X11150 Key Features Genuine Panasonic OEM waveguide cover Designed for select Panasonic microwave ovens Protective barrier over the waveguide opening Listed as a single COVER component in Panasonic service documentation Installation Notes Disconnect power before installation. Remove and reinstall the cover carefully without damaging its mounting area. Confirm that the replacement is secured in the same position as the original cover. Do not operate the microwave with the waveguide cover removed or with a visibly damaged cover. Verified Compatible Models HMB5020, HMB5050, HMB5060, JES2251SJ01, MBEB, MBES, MBEW, NNH735BF, NNH735WF, NNH764BF, NNH764WF, NNH765BF, NNH765WF, NNH935BF, NNH935WF, NNH964BF, NNH964WF, NNH965BF, NNH965WF, NNH965WFB, NNP794BF, NNP794SF, NNP794SFR, NNP794WF, NNP994BF, NNP994SF, NNP994SFR, NNP994WF, NNS735BF, NNS735WF, NNS742BF, NNS742WF, NNS743BF, NNS743WF, NNS744BF, NNS744WF, NNS752BF, NNS752WF, NNS753BF, NNS753WF, NNS754BF, NNS754BFR, NNS754WF, NNS754WFR, NNS755BF, NNS755WF, NNS762BF, NNS762WF, NNS763BF, NNS763WF Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.
