Quick answer

Replacing the Dyson Outsize 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.

Compatible Pre-Motor Filter for the Dyson Outsize

Prices pulled from Amazon and verified September 2026. “OEM” is a genuine Dyson part; the rest are tested aftermarket options.

PartTypePriceRating
3Pack Pre Filters Replacement for Dyson - Vacuum Filter Compatible with Dyson V6 V7 V8 DC59 DC58 Replaces Part 965661 01 (3 Pack) Aftermarket $9.99
$3.33/ea
4.85★ (3,842) Buy on Amazon
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

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Step-by-Step: Replacing the Dyson Outsize Pre-Motor Filter

1
Power off
Turn off and unplug your Dyson Outsize before starting.
2
Access the component
Locate the pre-motor filter according to your model's user manual.
3
Remove old part
Follow the model-specific removal procedure for the pre-motor filter.
4
Install replacement
Insert the new pre-motor filter and ensure it's properly seated.
5
Test performance
Power on and confirm normal operation is restored.

⚠ Common mistakes to avoid

  • Confirm the part matches your exact model number before buying — Dyson reuses parts across lines.
  • Never wash a filter unless it's marked washable, and dry it fully (24h) before refitting.
  • Don't force the part — if it resists, check alignment before applying pressure.
  • Always disconnect power (or remove the battery) before any internal work.
🔁 How often to replace

The Dyson Outsize 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 Outsize specifically; the compatible-part list is pulled from our parts database and price-checked against Amazon. Last verified September 2026.