As an Amazon Associate I earn from qualifying purchases.Updated: March 27, 2026
The Post-Motor Filter in your Dyson V7 Motorhead is essential for trapping fine dust and debris after it passes through the main cyclone. Over time, these filters can become clogged, reducing suction power and airflow efficiency. Replacing the filter regularly ensures your vacuum continues to operate at peak performance. Delaying replacement may lead to reduced cleaning effectiveness, overheating, and potential damage to the motor.
$11.99
Price from Amazon • As an Amazon Associate I earn from qualifying purchases.
Function: Captures fine dust and debris after they have passed through the main cyclone.
Signs it needs replacing: Reduced suction power, increased noise levels during operation, or visible dirt accumulation on the filter.
OEM vs aftermarket: Dyson OEM filters guarantee compatibility and performance but are typically more expensive. Third-party alternatives can be a cost-effective option but always check for model-specific compatibility and user reviews.
Installation: Generally straightforward, involving removing the old filter and snapping in the new one. Refer to your Dyson V7 Motorhead manual for detailed instructions.
Replacement schedule: every 6 months
Compatibility warning: always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 6 months replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This replacement filter is ideal for Dyson V7 Motorhead owners who notice a decline in suction power or want to perform scheduled maintenance.
Not ideal for: If your Dyson V7 Motorhead is experiencing multiple issues beyond just reduced suction, a full device replacement might be more economical.
Good to Know Before Buying
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Always confirm your exact model number (304111-01) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Dyson V7 Motorhead Post-Motor Filter?
The part number is 965662-04. Always verify this matches your exact model (304111-01) before ordering, as similar models may use different parts.
How often should I replace the Post-Motor Filter on my Dyson V7 Motorhead?
every 6 months
Will aftermarket Post-Motor Filter replacements work in my Dyson V7 Motorhead?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model 304111-01 and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.