Description
Genuine OEM Motor Brush Replacement Carbons for Lamb Ametek 114786 and 114787 Motors
These Genuine OEM Motor Brush Replacement Carbons are designed specifically for Lamb Ametek vacuum motors 114786 and 114787. Motor brushes are a critical wear component that ensure proper electrical contact, smooth motor operation, and long service life. Replacing worn brushes prevents arcing, overheating, and premature motor failure.
This brush set includes four carbon brushes and is manufactured to OEM specifications for perfect fit and performance.
OEM Part Number
- Part #35253 – OEM brush set for Lamb Ametek 114786 and 114787 motors
Compatible Lamb Ametek Motors
This brush set fits the following Lamb Ametek motor models:
- 114786
- 114787
These motors are commonly used in commercial canister vacuums, industrial vacuum systems, central vacuum units, and specialty cleaning equipment. If your motor number matches either of the above, this is the correct OEM brush replacement.
Why Replacing Motor Brushes Is Important
- Restores lost suction and motor performance
- Prevents arcing and electrical damage
- Extends overall motor lifespan
- Ensures smooth, reliable electrical contact
- Reduces noise and vibration caused by worn brushes
Signs Your Motor Brushes Need Replacement
- Sparking or arcing inside the motor
- Loss of suction or inconsistent power
- Motor cutting in and out
- Visible wear or short brush length
- Motor has 400–600+ hours of use (typical brush lifespan)
Installation Notes
- Always replace brushes in pairs to maintain balanced motor operation
- Inspect the commutator for scoring or wear before installation
- Break in new brushes by running the motor for several minutes with no load
- Ensure brush leads are properly seated and not pinched during installation
Recommended Accessories
To protect your motor and extend its life, consider adding:
- Filtered Motor Gasket (Part #MTR1500) – prevents dust and debris from entering the motor.
- Standard Motor Gasket (Part #MTR512) – OEM‑fit replacement gasket.
- Motor Filter (Part #MTR553) – protects the fan system from dust and debris.
- If you need the complete replacement motor brush and brush holder see our Part #MTR516.
Product Details
- OEM Part Number: 35253
- Includes: 4 carbon brushes
- Manufacturer: Lamb Ametek
Need Help Confirming Compatibility?
Check the model number printed on your motor housing or contact our support team. Using the correct brush set ensures proper performance and prevents motor damage.
Replacing worn brushes is one of the most cost‑effective ways to extend the life of your vacuum motor.
