Replacing the Dyson DC25 Pre-Motor Filter — Step by Step
Replacing the Dyson DC25 pre-motor filter is a DIY job of about 10 minutes. Replace it Every 3 months under normal use. Full step-by-step below.
The DC25 pre-motor filter is washable foam-and-fleece and lifts out from the top. Replace it only when rinsing no longer restores it — grey after washing, torn, or limp. A tired pre-filter shows as weaker suction and dust on the exhaust.
Compatible Pre-Motor Filter for the Dyson DC25
“OEM” is a genuine Dyson part; the rest are tested aftermarket options.
| Part | Type | |
|---|---|---|
| Lemige 2 Pack Post Filters & 2 Pack Pre Filters Replacement for Dyson DC41 DC65 DC66 UP13 UP20 UP30 Animal, Multi Floor and Ball Vacuum Ball Animal 2 Ball Animal 3, Compare to Part 920769-01&920640-01 | Aftermarket | Buy on Amazon |
| Filter Replacement for Dyson DC41 DC65 DC66 UP13 UP20 UP30 Hepa Post-Motor Filter & Pre-Motor Filter, Multi Floor, Animal and Ball Vacuums Ball Animal 2 Ball Animal 3. Part#920769-01 & 920640-01 | Aftermarket | Buy on Amazon |
| Goodsby 4 Pack Replacement Pre-Motor Filter & Post Motor HEPA Filter for Dyson DC25 Animal Ball Vacuum Cleaner Part # 919171-02 & 916188-06 (Set # 2) | Aftermarket | Buy on Amazon |
As an Amazon Associate we may earn from qualifying purchases. Prices and availability change; the live price is shown on Amazon.
About the Dyson DC25
The Dyson DC25 is a corded Ball upright. Its pre-motor filter is the washable purple unit at the top of the machine — the primary filter to keep clean for steady suction and to protect the motor.
Step-by-Step: Replacing the Dyson DC25 Pre-Motor Filter
⚠ Common mistakes on the DC25
The DC25 mistake that harms the motor is refitting the filter damp — air-dry a full 24 hours. The second is confusing it with the separate post-motor filter.
✓ OEM vs aftermarket for the DC25
Genuine Dyson gives a guaranteed seal; aftermarket purple filters are inexpensive — confirm the listing lists the DC25. A spare keeps you cleaning while one dries.
The Dyson DC25 pre-motor filter should be replaced Every 3 months under normal use — sooner with pets or daily heavy use. Signs it's due: Reduced suction.
How we made this page: the steps are written for the Dyson DC25 specifically; the compatible-part list comes from our own compatibility data for this model. We are not showing prices at the moment — check the current price on Amazon.