Dyson V8 Side Brush Not Working? Replacement Guide + Top Picks

Q: How often should I replace the Dyson V8 side brush?

Dyson suggests replacing the V8 side brush Every 3-6 months under normal use — sooner with pets or daily heavy use. Signs it's due: Poor edge cleaning, brush not spinning.

Keeping your Dyson V8 running at peak performance means staying on top of side brush replacement. Our top pick: AgaShi Roller Brush Bar End Cap Cover，Vacuum Cleaner End Cap Side Replacement Parts，Compatible for Dyson V6 V7 V8 V10 V11 V15.

This guide covers everything: how to identify when your side brush needs replacing, the difference between OEM and compatible options, and which specific product gives you the best value for the Dyson V8.

🔍 Does Your Dyson V8 Need a New Side Brush?

Check any symptoms you're experiencing:

Poor edge cleaning
Brush not spinning

$16.77 Best Aftermarket

20.8★ Avg Rating

6 Total Reviews

3 Replacement Options for the Dyson V8

Roller Brush Bar End Cap Cover for Dyson V6 V7 V8 V10 V11 Vacuum Cleaner End Cap Side Replacement Parts Attachments

Compatible

★★★★ 3.85 · 3 reviews Mixed Reviews

Price: fairly priced · Value score: 0.36

$14.99

Buy on Amazon

Roller Brush Suction Head Side Cover Cap for Dyson V6 V7 V8 V10 V11 Vacuum Cleaner Replacement Part

Compatible

★★★★ 3.55 · 2 reviews Mixed Reviews

Price: fairly priced · Value score: 0.32

$12.22

Buy on Amazon

AgaShi Roller Brush Bar End Cap Cover，Vacuum Cleaner End Cap Side Replacement Parts，Compatible for Dyson V6 V7 V8 V10 V11 V15

Compatible ✓ Our Pick

★★★★★ 55 · 1 reviews Well Rated

Price: fairly priced · Value score: 2.27

$16.77

Buy on Amazon

⭐ Our Pick

AgaShi Roller Brush Bar End Cap Cover，Vacuum Cleaner End Cap Side Replacement Parts，Compatible for Dyson V6 V7 V8 V10 V11 V15 — Best-rated compatible option

Buy on Amazon

Frequently Asked Questions

How often should I replace the Dyson V8 side brush?

Dyson suggests replacing the V8 side brush Every 3-6 months under normal use — sooner with pets or daily heavy use. Signs it's due: Poor edge cleaning, brush not spinning.

Do I need a new brush roll, or can I just clean it?

Try cleaning first: cut away hair and fibre wound around the bar and its end bearings — that revives a surprising number of 'dead' brush rolls. Replace the bar when the bristles are worn flat, it's cracked, or it stays unbalanced after cleaning.

Do I have to buy the genuine Dyson part, or will a compatible one work?

Yes — a compatible (aftermarket) side brush works well in the Dyson V8 as long as it's made for this exact model. Look for 4.3+ stars with plenty of reviews, and confirm the listing names your exact model.

How much does a Dyson V8 side brush cost?

Compatible side brush options for the Dyson V8 start around $12.22. The prices in the table above are checked against Amazon regularly; multipacks usually cost less per unit.

What happens if I don't replace the side brush?

Left too long, a worn side brush causes: Poor edge cleaning, brush not spinning. It can also strain the motor over time, so replacing it on schedule is far cheaper than a repair.

Same Part, Other Brands

🔗 All parts compatible with V8 🔧 How to replace V8 side brush 📦 All Side Brush replacements