Quick answer

Replacing the Dyson DC50 brush roll is a DIY job of about 10 minutes. Replace it Every 12-24 months under normal use. Full step-by-step below.

The DC50 brush bar sits behind the soleplate and is turned by the DC50-specific geared belt. Replace the bar when the bristles are worn flat or it's cracked; if it won't spin at all with the belt intact, check the belt and brush control first.

Compatible Brush Roll for the Dyson DC50

“OEM” is a genuine Dyson part; the rest are tested aftermarket options.

PartType
Dyson Vacuum Cleaner DC17 Animal Replacement Brushroll Roller # 10-3404-08 OEM Buy on Amazon
Replacement Brushroll and 2 DC17 Belts Fits Parts 911961-01, 911710-01, Designed To Fit Dyson DC17 Animal Aftermarket Buy on Amazon
Brush Roll Designed to Fit Dyson DC50 Clutch Models Replaces 964705-01 Aftermarket Buy on Amazon
Replacement Roller Compatible with Dyson DC50 Brushroll #964705-01, Purple, Fits DC50 Allergy, Animal, Multi Floor Models Aftermarket Buy on Amazon
Aryavos Brush Roll for Dyson DC50 DC50 Animal and DC50 Multi Floor Models, Replaces #964705-01 Aftermarket Buy on Amazon
DC50 Roller Brush and Fiter Replacement Compatible With Dyson DC50 Animal Multi Floor Complete Vacuum, Filters Brush Kit, Compare to Part 964705-01 965081-01 965080-01 Aftermarket Buy on Amazon

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About the Dyson DC50

The Dyson DC50 is a compact corded Ball upright with a powered cleaner head. Its brush bar is a bristle roller driven by a toothed geared belt — the bar that flattens and tangles with hair over time.

Step-by-Step: Replacing the Dyson DC50 Brush Roll

1
Unplug the vacuum
Disconnect the DC50 before opening the cleaner head.
2
Remove the soleplate
Lay the head flat and release the soleplate to expose the brush bar.
3
Lift out the old bar
Ease the bar from its end seats and strip wound hair from the bar and channel.
4
Check the belt
Confirm the DC50 geared belt is intact and seated — replace it now if worn.
5
Fit the new bar and test
Seat the new bar so it engages the drive, refit the soleplate, plug in and confirm it spins.

⚠ Common mistakes on the DC50

The DC50 mistake is replacing the bar when the fault is the geared belt or a bare-floor setting. The second is leaving wound hair in the housing, which throws the new bar off balance.

✓ OEM vs aftermarket for the DC50

A genuine Dyson bar guarantees bristle stiffness and balance; aftermarket bars are cheaper and fine when the listing names the DC50. Clear the housing and inspect the belt while the head is open.

🔁 How often to replace

The Dyson DC50 brush roll should be replaced Every 12-24 months under normal use — sooner with pets or daily heavy use. Signs it's due: Poor carpet pick-up, visible wear.

How we made this page: the steps are written for the Dyson DC50 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.