Mum6621uc Parts

Color: off-white. Measures about 2-1/2 inches in diameter.

Replacement white plastic bowl that restores the molded interior container used in select Bosch appliances. Durable molded construction replaces cracked, warped or discolored bowls to help maintain proper fit and part function. What it does:

• Replaces a damaged or worn interior plastic bowl to restore proper seating and appearance.
• Helps prevent debris buildup and misalignment caused by cracked or warped bowls.
• Helps resolve symptoms such as visible cracks, poor fit, rattling or reduced performance when the original bowl is damaged.
• Fits into the original mounting location and works with the appliance's existing seals and hardware.

• Disconnect power and water before beginning any repair.
• Some disassembly of surrounding trim or components may be required to access and remove the old bowl.
• Inspect existing seals and fasteners; replace any damaged hardware or gaskets for a watertight fit.

A small retaining nut used to secure components and fasteners in place on compatible Bosch appliances. This durable metal nut helps keep assemblies stable so moving parts remain properly aligned during normal operation. What it does:

• Secures bolts, studs, or threaded components to prevent loosening from vibration
• Helps maintain alignment of linked parts so assemblies operate smoothly
• Commonly used where a compact, threaded fastener is required
• A worn or missing nut can cause rattling, loose panels, or misaligned parts

• One retaining nut

• Turn off power and water to appliance first
• Use the correct wrench or socket to avoid rounding the nut
• Do not overtighten — secure snugly to manufacturer torque specs if available
• Inspect mating bolt/stud and replace if needed

This replacement dryer drum belt wraps around the dryer drum and drive pulley to transfer motor rotation to the drum, restoring normal tumbling and enabling proper drying action. What it does

• Transfers motor torque to the drum so clothes tumble during operation
• Keeps the drum rotating smoothly by maintaining proper belt tension
• Worn, stretched, or broken belts can cause the drum to stop turning, slip, or make squealing sounds
• Replacing the belt addresses tumbling and abnormal noise symptoms related to belt failure

• One dryer drum belt

• Disconnect power (and gas if applicable) before beginning any repair
• Access the drum per your model's service instructions—belt routing varies by design
• Inspect idler pulley(s) and motor pulley for wear and replace as needed to prevent repeat failures
• After installation, manually rotate the drum to verify correct routing and tension before restoring power

This shaft & bushing assembly replaces the rotating shaft and bearing surface used in the dishwasher pump to keep the impeller turning smoothly and reduce wear on the pump housing. What it does:

• Provides the rotating shaft and bushing surface for the dishwasher circulation/recirculation pump
• Restores smooth impeller rotation and helps prevent rubbing or binding inside the pump
• Can reduce grinding or unusual motor noise caused by a worn shaft/bushing
• Helps stop leaks that occur when a damaged shaft lets water contact motor components

• One shaft and bushing assembly

• Disconnect power to the appliance before starting any repair
• Remove the pump/pump housing to access the shaft; follow OEM service instructions for disassembly
• Handle small parts carefully and keep mounting hardware organized for reassembly
• Inspect adjacent seals and impeller for wear; replace as needed

This upper bearing assembly supports the dryer drum and helps it spin smoothly for quiet, reliable operation. It replaces a worn top drum support to restore proper drum alignment and reduce noise. What it does

• Provides a sealed pivot point for the drum, keeping rotation stable and aligned.
• Reduces scraping, grinding, or squealing caused by a worn or damaged upper support.
• Prevents excessive drum wobble that can lead to uneven wear or rubbing.
• Works with the lower support/rollers to maintain correct drum clearance and operation.

• One upper bearing assembly.

• Disconnect power before starting work; for gas dryers, shut off the gas supply.
• Basic disassembly of the dryer cabinet and front panel is typically required to access the upper bearing.
• Use common hand tools; lift and support the drum during removal and installation to avoid damage.
• Do not attempt to lubricate sealed bearings; replace the assembly if bearings are noisy or worn.

This clear replacement funnel directs ingredients into the mixer feed tube to reduce spills and make pouring easier. It restores proper ingredient flow and keeps the work area cleaner during food prep. What it does:

• Guides dry or liquid ingredients into the mixer bowl through the feed chute, reducing mess
• Helps prevent ingredients from spilling onto the counter or motor housing
• Fits into the mixer's feed opening to channel ingredients safely and reliably

• Unplug the appliance before installing or removing the funnel
• Seat the funnel securely in the mixer's feed opening; no special tools typically required
• Inspect for cracks or warping and replace if damaged to avoid contamination or improper fit
• Clean the funnel before first use and after each use per appliance care instructions

These are replacement carbon motor brushes that restore electrical contact between the motor and commutator, helping return proper motor function and reduce sparking or intermittent operation. What it does

• Transfers electrical current to the motor commutator so the motor can run.
• Replaces worn brushes that cause reduced power, intermittent operation, or motor failure to start.
• Helps reduce excessive arcing or sparking at the commutator when worn.
• Restores reliable motor performance when deterioration of the original brushes is the cause.

• Disconnect power before starting any repair; work only on a fully de-energized appliance.
• Replace both brushes at the same time for even wear and best performance.
• Inspect the commutator for heavy scoring or pitting; clean or service if needed for best results.

This protective blender cover keeps the blender jug sealed during blending and helps prevent splashes for easier cleanup. Designed to fit the matching Bosch blender jug and restore a tight, functional seal. What it does

• Covers the blender jug opening to reduce splatter and contain ingredients while blending
• Helps maintain a secure seal so contents stay in the jug during operation
• Useful when blending liquids, sauces or soft ingredients that tend to splash
• Can prevent debris from entering the jug when not in use

• Always unplug the appliance before installing or removing parts
• Align the cover to the jug opening and press into place until it seats securely
• Inspect for cracks or wear before use; replace if damaged
• No special tools required for basic installation

A white replacement control knob for selector dials that restores easy, precise control and improves the appearance of a worn or missing knob. Fits front-panel rotary controls on compatible Bosch kitchen machines and appliances. What it does

• Replaces a cracked, faded, stripped, or missing control knob to regain manual control
• Provides a clear pointer for selecting speeds and functions on the rotary dial
• Snaps or slides onto the control shaft for a secure, tactile grip
• Helps stop slipping or wobbling caused by worn original knobs

• One white control knob

• Unplug the appliance or disconnect power before servicing
• Remove the old knob by pulling it straight off; install the replacement by aligning and pressing it onto the control shaft
• Test function at low settings after installation to ensure proper fit and operation