Parts for PT7800DH8BB — GE Microwave

We found 95 parts confirmed to fit the GE Microwave PT7800DH8BB.

Compatibility table

Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.

Common failure areas on this model

The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.

Storage, trim and cosmetic hardware

Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.

Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.

Parts in this group on PT7800DH8BB: WB56X32695 (CONTROL PANE), WB56X29456 (CONTROL PANEL ASM WHITE LED), WB03X10329 (Knob), WB07X21950 (Trim), WB07X11224 (Trim,side Ri), WB02X11219 (Heat Bracket), WB2X8309 (Hotpoint Cover Pro), WB02X11211 (Oven Lamp Cover), WB02X10777 (Screw Bind), WB56X21262 (Wall Oven Microwave Door Outer Panel), WB02X11322 ("supporter,bo"), WB02X11217 (Bracket Damper), WB07X21942 (Vent Trim), WB02X32591 (BRACKET), WB37T10021 (Convection Cover), WB34X21949 (Cover), WB10X30580 (DOOR HINGE L), WB02X32604 (SUPPORT), WB34X21944 (Wire Cover), WB02X32681 (HEATER BRACK), WB48X23857 (Range Oven Rack Assembly), WB02X32601 (SUPPORT), WB02X32682 (BRACKET HEAT), WB56X32580 (COVER BACK), WB56X32575 (PANEL), WB27X43590 (Microwave Turntable Glass Tray).

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Parts in this group on PT7800DH8BB: WB02X11232 (Air Tunnel), WB02X11231 (Duct), WB06X10640 (Latch Board), WB18X33172 (MAIN HARNESS WIRE), WB02X21093 (Noise Filter), WB06X10645 (Protector (m), WB27X32625 (RELAY BOARD), WB02X11318 (Reflector), WB02X22086 (Barrier), WB02X33400 (NOISE FILTER BOARD), WB27X27311 (Noise Filter), WB18X32615 (POWER BOARD), WB27X22129 (Relay Board), WB18X22136 (Vfd Signal H), WB02X32631 (DISPLAY HOLD), WB18X32611 (HARNESS,SING), WB27X25692 (Wall Oven Bridge Board), WB18X30613 (CONDUIT WIRE ASM), WB02X32630 (CONTROL BOAR), WB18X32597 (HARNESS WIRE), WB06X10646 (Holder), WB1X1521 (Washer), WB26X23813 (Convex Motor), WB34X32592 (MICROWAVE PROTECTOR), WB06X10693 (Microwave Turntable Motor Coupler), WB02X32581 (REFLECTOR), WB63X32818 (Wall Oven Door Liner), WB10X32573 (LATCH BOARD), WB02X35865 (NOISE FILTER), WB06X10650 (Oven Glass).

Controls, timers and wiring

Symptom: A cycle that doesn't advance, an unresponsive display, or the unit not starting at all.

Check: Look for burn marks or a burnt smell near the board or terminals, and check whether buttons and knobs respond -- a unit that powers on but won't cycle often traces back to this group.

Parts in this group on PT7800DH8BB: WB27X33487 (Wall Oven Control Board), WB18X22097 (Wire Harness), WB18X24081 (Wire Harness), WB34X22089 (Control Board).

Before you buy

Match PT7800DH8BB exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.

How to confirm this is your model

On most microwaves, the model and serial plate sits inside the door frame. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.

Neighbouring GE Microwave models

These model numbers sort next to this one in the catalog and are usually the same product family.

• PT7800DH8WW — 156 parts
• PT7800DH9WW — 16 parts
• PT7800EK5ES — 14 parts
• PT7800EK6ES — 13 parts
• PT7800EK7ES — 16 parts
• PT7800DH7WW — 32 parts
• PT7800DH7BB — 39 parts
• PT7800DH6WW — 14 parts
• PT7800DH6BB — 12 parts
• PT7800DH5WW — 20 parts

Other models with this exact parts list

Each model below is confirmed to share the identical compatible-parts list with this one.

• CT9800SH6SS — 21 parts

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.