How to Replace Dyson DC33 Pre-Motor Filter (Step-by-Step Guide)
Replacing the Dyson DC33 pre-motor filter is a DIY job of about 10 minutes. Compatible pre-motor filters currently start at $8.68. Replace it Every 3 months under normal use. Full step-by-step below.
The DC33 pre-motor filter is washable and reusable; replace it only when it won't rinse back to clean, tears, or hardens. On this older model a neglected pre-filter is the most common cause of gradual suction loss.
Compatible Pre-Motor Filter for the Dyson DC33
Prices pulled from Amazon and verified September 2026. “OEM” is a genuine Dyson part; the rest are tested aftermarket options.
| Part | Type | Price | Rating | |
|---|---|---|---|---|
| Replacement Filter for Dyson DC40 UP16 UP19, Post-Motor Filter and Pre-Motor Filter for Dyson Ball Multi Floor 2 Vacuum Light/Slim Ball Animal Vacuum, Part# 923587-02 & 922676-01 | Aftermarket | $15.98 | 4.85★ (2,332) | Buy on Amazon |
| ZXZHL Replacement Washable Pre Motor Filter for Dyson DC05, DC08, DC14, DC15 Vacuum Cleaner Motor, Replaces Part 905401-01 & 901420-02 | Aftermarket | $8.68 | 4.8★ (1,778) | 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 | $13.99 $7.00/ea |
4.95★ (145) | Buy on Amazon |
| Replacement Pre Motor Filter for Dyson DC33 Animal, DC33 All Floor Vacuum Cleaners Compare to Filter Part # 919563-02 | Aftermarket | $9.99 | 4.55★ (52) | Buy on Amazon |
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About the Dyson DC33
The Dyson DC33 is an older corded upright (non-Ball) with a self-adjusting cleaner head. Its pre-motor filter is a washable unit near the top of the machine — the primary filter to keep clean for steady suction.
Step-by-Step: Replacing the Dyson DC33 Pre-Motor Filter
⚠ Common mistakes on the DC33
The DC33 mistake that harms the motor is refitting the filter damp — air-dry a full 24 hours, cold water only, no detergent. The second is overlooking the separate post-motor filter, which also needs occasional cleaning.
✓ OEM vs aftermarket for the DC33
Genuine Dyson fits exactly; aftermarket DC33 filters are cheap and fine when the listing names the DC33 (it differs from the Ball-model filters). A spare keeps you cleaning while one dries.
The Dyson DC33 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 DC33 specifically; the compatible-part list is pulled from our parts database and price-checked against Amazon. Last verified September 2026.