Parts for Thermador KBUIT4855E/06: Roller / Water Filter Housing Parts

This roller set replaces worn or broken rack wheels so your dishwasher rack slides smoothly and stays aligned. It restores quiet, stable rack movement and prevents the rack from catching or tipping when pulled. What it does:

• Replaces damaged or missing rack wheels to restore smooth sliding action
• Helps keep the rack aligned and prevents it from sticking or catching
• Reduces noise and wobble when opening or closing the rack
• Works with the rack's axle to support proper rolling motion

• Disconnect power and turn off water supply before starting repairs
• Remove the dish rack to access and replace the rollers; keep track of axle and clips
• Use basic hand tools; inspect the axle and track for debris or damage before reassembly

Water filter cap that secures the refrigerator water filter housing and helps prevent leaks. Replacing a cracked or missing cap restores proper filter seating and reduces water seepage around the filter area. What it does:

• Secures and seals the water filter housing so the filter seats correctly
• Helps prevent leaks originating at the filter connection
• Supports proper water flow to the dispenser and ice maker by keeping the filter aligned
• Common symptoms: water pooling or dripping near the filter, filter won't lock in place, or intermittent dispenser/ice issues

• Shut off the refrigerator water supply before removing or installing the cap
• Disconnect power or unplug the fridge if working near electrical components
• Inspect O-rings and seals during installation; replace if cracked or worn
• Hand-tighten to seat the cap; avoid over-tightening which can cause damage

This water filter housing assembly holds and secures the refrigerator's inline water filter and connects the filter to the fridge water lines, keeping your ice maker and dispenser water pathway sealed and routed properly. Replaces a worn or cracked housing to stop leaks and restore proper filter seating. What it does

• Secures the water filter cartridge and forms a sealed connection with refrigerator water lines
• Directs filtered water to the dispenser and ice maker; prevents bypass and leakage
• Commonly replaced when cracks, leaks, or poor filter seating cause water dripping or reduced dispenser performance
• Compatible with systems that use a cartridge-style inline/filter-canister housing design

• Turn off water supply and disconnect power before servicing to avoid leaks and electrical risk
• Inspect and replace any O-rings or gaskets if worn; use compatible seals to prevent leaks

This Bosch filter removes contaminants and improves water taste. The filter should be changed every six months for best performance. Simple installation requires no special tools. Measures approximately 13.25" x 2.5" x 2.5".

This replacement screw secures the door stop so the appliance door opens and closes properly. It restores the stop hardware connection to reduce door sag and rattling for a firm, controlled door movement. What it does:

• Fastens the door stop assembly to the appliance frame or door
• Helps prevent excess door travel and keeps the door aligned
• Stops or reduces door rattling caused by a loose or missing fastener
• Restores proper fit and feel after hardware loosening or minor damage

• Disconnect power to the appliance before servicing to avoid injury
• Use the correct screwdriver or bit to avoid stripping the head
• Hand-start the screw to ensure proper thread engagement, then tighten snugly — do not overtighten
• Keep small parts away from children and dispose of old hardware properly

This bottom refrigerator hinge secures and supports the lower door, restoring proper alignment and smooth opening/closing. It replaces a worn or damaged hinge to stop sagging doors and reduce binding or uneven gaps. What it does:

• Supports the lower edge of the refrigerator door and bears door weight
• Acts as the pivot point for normal door swing and alignment
• Helps stop door sag, rubbing, or uneven sealing caused by a worn hinge
• Reduces binding, scraping, and noise when opening or closing the door

• Turn power off to the appliance and remove food from the door area before starting
• Support the door while removing and installing the hinge to prevent dropping or damage
• Use correct-size tools and follow OEM torque guidance; avoid over-tightening fasteners

A replacement door switch that senses when the appliance door is closed and allows the unit to operate. Restores normal safety interlock function so the appliance only runs with the door properly shut. What it does

• Detects door closure and completes the circuit to allow the appliance to start or run.
• Prevents operation when the door is open, helping keep users safe.
• Commonly linked to symptoms such as the appliance not starting, stopping mid-cycle, or controls not responding when the door is shut.
• Works as a direct electrical interface for the door latch or catch assembly.

• Disconnect power (unplug or shut off circuit breaker) before accessing the switch.
• Remove required access panels or the door inner panel; handle sharp edges and glass with care.
• Confirm wiring and connector orientation match the replacement; secure all fasteners and reassemble panels fully.