Dometic 385880068 Macerator Pump Motor – Replacement Motor for MasterFlush RV & Marine Toilets - SPECIAL ORDER

Special Order Item 

Please Note: This is a special order item.

• Estimated lead time: approximately 7–14 business days
• Lead times may vary based on Dometic availability
• Special order items are non-cancelable and non-returnable

Restore Your Dometic MasterFlush Toilet Performance

The Dometic 385880068 Macerator Pump Motor is a genuine OEM replacement motor designed to restore proper operation to select Dometic MasterFlush toilet systems. If your toilet is experiencing weak flushing, intermittent operation, unusual noises, or a complete failure to discharge waste, a worn or failed macerator motor may be the cause.

This replacement motor is used in numerous Dometic MasterFlush RV and marine toilet models, including the popular 7640, 8120, 8140, 8649, 8920, 8921, and 8940 series toilets.

Designed to meet original Dometic specifications, the 385880068 provides reliable performance and helps return your MasterFlush toilet to proper working condition.

Common Problems This Part Fixes

• MasterFlush toilet will not flush
• Macerator motor not running
• Toilet hums but does not pump
• Weak or incomplete waste discharge
• Intermittent flushing operation
• Excessive noise during flushing
• Toilet cycle starts but does not complete
• Failed or seized macerator motor

Features & Benefits

• Genuine Dometic OEM replacement part
• Direct replacement macerator pump motor
• Restores proper flushing performance
• Helps maintain reliable waste discharge
• Designed for select Dometic MasterFlush toilet systems
• Built to original factory specifications
• Ideal replacement for worn or failed motors
• Maintains proper toilet sanitation system operation
• Trusted OEM quality and fitment

Specifications

• Manufacturer: Dometic
• Part Number: 385880068
• Product Type: Macerator Pump Motor
• Application: MasterFlush Toilet Repair
• Color: White
• OEM Replacement: Yes
• Quantity: Single

Fits These Dometic MasterFlush Toilet Models

Compatible with select Dometic MasterFlush toilets, including:

Dometic 7600 Series

• Dometic 7640

Dometic 8100 Series

• Dometic 8120
• Dometic 8140
• Dometic 8140RV

Dometic 8600 Series

• Dometic 8649

Dometic 8900 Series

• Dometic 8920
• Dometic 8921
• Dometic 8940
• Dometic 8940RV

Why Replace the Macerator Pump Motor?

The macerator motor is one of the most important components of a MasterFlush toilet system. It powers the macerator pump that grinds and pumps waste to the holding tank.

Over time, motors can wear out due to:

• Normal use and age
• Debris entering the system
• Electrical issues
• Moisture exposure
• Extended periods of heavy use

Replacing a failed motor can restore proper flushing performance and often eliminates the need to replace the entire toilet assembly.

Genuine Dometic OEM Quality

Unlike aftermarket alternatives, the Dometic 385880068 is engineered specifically for compatible MasterFlush systems, ensuring:

• Proper fit and operation
• Reliable performance
• OEM-level durability
• Correct electrical compatibility
• Long service life

Frequently Asked Questions

What does the macerator motor do?

The macerator motor powers the pump assembly that grinds and pumps waste from the toilet to the holding tank.

What are signs of a bad macerator motor?

Common symptoms include the toilet not flushing, weak pumping action, excessive noise, intermittent operation, or the motor failing to run altogether.

Is this a genuine Dometic part?

Yes. The 385880068 is a genuine OEM Dometic replacement motor.

Will this fit my Dometic 7640 MasterFlush toilet?

Yes. The 385880068 is compatible with the Dometic 7640 MasterFlush toilet.

Can replacing the motor fix a toilet that won't flush?

If the existing motor has failed, replacing it can often restore normal flushing operation without replacing the entire toilet.

What's Included

• Dometic 385880068 Macerator Pump Motor
• Genuine OEM Dometic Replacement Component