Parts for Ge PT7800DH1BB: Oven Cavity Parts

The Canopy Mica is an OEM part for GE microwaves. This part covers the waveguide channel, preventing food particles and grease from entering the microwave's internal mechanisms.  

Causes of a bad canopy mica can include exposure to high levels of moisture or grease, physical damage such as cracks or burns, and general wear and tear over time.  

Symptoms of a bad canopy mica include:

• Sparks or arcing during microwave operation
• Burn marks or discoloration on the mica sheet
• Unusual noises while the microwave is running
• Uneven cooking or heating of food

This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.

The Glass Tray is an OEM part for GE microwaves. This tray sits on the turntable support and rotates to ensure even cooking and heating of food.  

Common causes of a bad glass tray include accidental drops, cracks from overheating, or regular wear and tear over time. 

Symptoms of a bad glass tray include:

• Visible cracks or chips in the tray
• The tray not rotating properly
• Uneven cooking or heating of food
• The tray wobbling or not sitting securely on the turntable support

This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.

The Rotating Ring is an OEM part for GE microwaves. This component sits beneath the microwave's glass turntable and facilitates its smooth rotation, ensuring even heating and cooking of food by distributing microwave energy uniformly.

Causes of a bad rotating ring can include regular wear and tear from continuous use, damage from spills or heavy items placed on the turntable, and warping from exposure to high temperatures.

Symptoms of a bad rotating ring include:

• The turntable not rotating or moving unevenly
• Unusual noises during microwave operation
• Uneven cooking or heating of food
• Visible damage, cracks, or warping on the ring

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

This turntable motor drives the glass tray in your microwave for even heating. Replace it when the tray stops turning, turns intermittently, or the motor makes unusual noises to restore smooth, reliable rotation.

• Rotates the turntable tray/plate for more even cooking and reheating
• Provides steady drive to the tray via the center coupler
• Typical fix for a non-spinning or intermittently spinning turntable
• Can address loud humming or grinding noises from beneath the oven floor

• Disconnect power before servicing; microwaves contain high-voltage components
• Access is typically from the bottom by removing the motor cover or base panel
• Note wire orientation; transfer connectors, align the shaft with the coupler, and secure with the original screws
• After reassembly, place a microwave-safe cup of water on the tray and run briefly to ensure the turntable rotates

This mount is a replacement support bracket that secures internal components and helps keep assemblies aligned for reliable operation. Replacing a damaged mount restores proper fit and reduces vibration and noise from loose parts. What it does:

• Secures and supports appliance panels or internal assemblies to maintain proper alignment
• Prevents movement that can cause rattling, vibration, or uneven operation
• Helps ensure connected components stay in the correct position for normal function
• Commonly used when mounts are cracked, bent, or missing

• Disconnect power (and water if applicable) before starting any repair
• Use basic hand tools; inspect surrounding fasteners and replace if damaged
• Handle sharp sheet-metal edges carefully and wear gloves and eye protection
• Replace all affected mounts for best results

This shaft assembly is a factory drive component used in select GE microwaves. It links the drive motor to its mating part to deliver smooth, reliable rotation, helping restore stable operation and consistent, even heating.

• Transfers motor rotation to the driven component for stable operation
• Replaces a worn or stripped shaft that can cause slipping or no rotation
• Helps resolve intermittent spinning, wobbling, or clicking/grinding from the drive area
• Restores consistent motion for more even cooking performance

• Disconnect power to the microwave before servicing; capacitors can hold a charge
• Access the drive area per your model (interior hub, underside panel, or top section)
• Align flats/splines and seat the shaft fully; reuse any original fasteners/retainers
• Reassemble and test for smooth, consistent rotation

This removable wire rack fits microwaves designed for rack use, creating a second cooking level. Replacing a missing, bent, or chipped rack restores safe operation and the intended capacity for multi-item reheating and cooking.

• Provides a stable second-level surface for cooking or reheating multiple items in compatible models
• Positions dishes at the proper height for rack-enabled functions
• Replace if missing, bent, rusted, or if damaged coating causes arcing/sparking
• Use only in microwaves designed for a rack; follow your Use & Care manual

• Disconnect power before servicing; allow the cavity to cool
• Insert the rack into the designated side-wall supports; ensure it is level and not touching cavity walls or the turntable
• Remove the rack for cycles that require single-level cooking if instructed by your manual
• Stop use if arcing occurs; inspect placement and rack condition before resuming

This adhesive foam seal tape provides a slim, flexible sealing strip used to restore a tight seal around appliance openings. It helps reduce air leaks, moisture intrusion and improves temperature stability for refrigerators and freezers. What it does:

• Creates a compressible, airtight seal where original foam tape has worn or separated
• Helps reduce warm air infiltration and frost buildup that can affect cooling performance
• Minimizes moisture and dust entry at door edges or panel seams
• Restores contact between mating surfaces to improve energy efficiency

• Clean and dry the mounting surface thoroughly before applying for best adhesion
• Measure and trim tape to fit; peel backing and press firmly in place along the seam or edge
• Replace only the lengths required; avoid stretching the tape during installation
• Disconnect power or follow manufacturer safety guidance

This left-side black trim piece replaces a damaged or worn decorative edge to restore the appliance's finished appearance and help protect the cabinet opening from wear. What it does:

• Covers and protects the left edge of the appliance opening for a clean, finished look
• Replaces cracked, scratched, or faded trim that affects appearance
• Helps keep debris out of the gap between the appliance and cabinetry
• Matches the original black finish for a consistent appearance

• One left-side black trim piece as shown

• High-level replacement part—require removing adjacent trim or panels for access
• Use proper hand tools; avoid overtightening fasteners to prevent cracking
• Disconnect power to the appliance before accessing internal components or wiring
• If mounting clips or screws are missing or damaged, replace them with OEM-specified hardware

This right-side trim piece restores the finished edge and appearance of the appliance door, covering the seam and protecting the edge from chips and wear. It matches OEM fit and finish for a clean look. What it does:

• Covers and protects the right edge of the door or panel to prevent chips and dings
• Restores finished appearance where trim is cracked, missing or discolored
• Helps keep the door edges aligned and conceals mounting seams
• Matches the OEM contour and mounting points for proper fit

• Disconnect power or follow manufacturer safety instructions before starting
• Remove the door or access panel per the service manual for easiest installation
• Align mounting tabs and press or fasten in place with original screws/clips
• Handle trim carefully to avoid scratching the finished surface

This door switch access cover replaces the plastic access panel that protects and secures the door latch/switch assembly behind the appliance door. It restores a finished appearance and helps keep the switch area safe and stable. What it does:

• Covers and secures the door switch area to prevent debris contact and accidental interference
• Helps maintain proper alignment of the door switch and latch components
• Stops light drafts and reduces rattles around the door switch opening
• Common symptom: cracked, broken, or missing cover causing loose switch or exposed switch components

• Disconnect power (unplug or switch off breaker) before starting any repair
• Remove the door inner panel or trim as needed to access the switch area; retain fasteners for reassembly
• Align cover over the switch opening and secure with the original screws/clips; do not overtighten
• If any switch or latch parts are damaged, inspect and replace those components separately

This mounting bracket provides a secure support point for appliance components, restoring proper alignment and stability. Use it to replace a bent, broken, or missing bracket to stop rattling and prevent parts from shifting. What it does:

• Secures panels, assemblies, or internal components in their correct position
• Restores stability to reduce vibration, noise, and misalignment issues
• Replaces damaged or corroded brackets that allow parts to sag or move
• Matches OEM fit and mounting points for reliable reinstallation

• Install with the appliance unplugged or power/gas disconnected for safety
• Keep original fasteners when possible; replace any stripped or damaged screws
• Hand-start fasteners, then tighten to secure without over-torquing