Keeping your Dyson DC33 running at peak performance
means staying on top of brush roll replacement. Our top pick: Replacement Brush Bar with End Caps and Set of Belts, Made To Fit Dyson DC07 DC04 & DC14 & DC33 #904174-01.
This guide covers everything: how to identify when your brush roll needs replacing,
the difference between OEM and compatible options,
and which specific product gives you the best value
for the Dyson DC33.
🔍 Does Your Dyson DC33 Need a New Brush Roll?
Check any symptoms you're experiencing:
About the Dyson DC33
The Dyson DC33 corded upright has a powered cleaner head with a bristle brush bar driven by a belt. Worn bristles and wound hair are what most owners are replacing — a straightforward job on this older model.
🔎 Dyson DC33 brush roll — what to know
The DC33 brush bar sits behind the soleplate. Replace it when bristles are flat or the bar is cracked; if it won't spin at all, check the belt (the DC33 uses a drive belt) and clear wound hair before assuming the bar is the fault.
✓ Buying Advice
A genuine Dyson bar guarantees the right bristles and fit; aftermarket bars are cheaper and fine when the listing names the DC33. Inspect and replace the belt while the head is open if it's worn.
⚠ Common Mistakes
The DC33 mistake is swapping the bar when a stretched/broken belt or wound hair is the real cause. The second is not clearing the housing channel, so the new bar runs off-balance and wears fast.
$16.23
OEM Price
$19.38
Best Aftermarket
-19.4%
Potential Savings
4.6★
Avg Rating
3,962
Total Reviews
4 Replacement Options for the Dyson DC33
Replacement Brush Bar with End Caps and Set of Belts, Made To Fit Dyson DC07 DC04 & DC14 & DC33 #904174-01
Compatible
✓ Our Pick
★★★★★
4.65 · 2,574 reviews
Highly Rated
Price: fairly priced
· Value score: 1.88
Envirocare Vacuum clutch Brush Roller Agitator, Belts and Belt Changing Tool to fit Dyson DC07 DC14
Compatible
★★★★★
4.55 · 625 reviews
Highly Rated
Price: premium
· Value score: 0.88
Dyson Vacuum Cleaner DC17 Animal Replacement Brushroll Roller # 10-3404-08
Official OEM
★★★★★
4.55 · 394 reviews
Highly Rated
Price: fairly priced
· Value score: 1.68
4YourHome Brush Roll Designed to Fit Dyson DC04 DC07 DC14 DC33 Clutch Models
Compatible
★★★★★
4.55 · 369 reviews
Highly Rated
Price: budget-friendly
· Value score: 1.92
⭐ Our Pick
Replacement Brush Bar with End Caps and Set of Belts, Made To Fit Dyson DC07 DC04 & DC14 & DC33 #904174-01 — Best balance of price and quality — -19% cheaper, nearly identical rating
Buy on Amazon
OEM vs Aftermarket: Side-by-Side
The key question for most buyers: is the official Dyson part worth
0.84× the price compared to a well-reviewed compatible replacement?
| Attribute |
OEM (Dyson) |
Best Aftermarket |
| Price |
$16.23 |
$19.38 |
| Rating |
4.55★ (394 reviews) |
4.65★ (2,574 reviews) |
| Fit type |
Exact OEM — guaranteed |
Engineered compatible |
| Pack options |
Single |
Single |
| Value score |
1.68 |
1.88 |
| Verdict |
Recommended — quality gap justifies price |
Acceptable budget option |
Frequently Asked Questions
How often should I replace the Dyson DC33 brush roll?
Dyson suggests replacing the DC33 brush roll Every 12-24 months under normal use — sooner with pets or daily heavy use. Signs it's due: Poor carpet pick-up, visible wear. Replace the DC33 brush bar when bristles are flattened or it's cracked; if it won't spin, check the belt and clear wound hair first.
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) brush roll works well in the Dyson DC33 as long as it's made for this exact model. Aftermarket options can save up to -19.4% versus the genuine Dyson part. A genuine Dyson bar guarantees the right bristles and fit; aftermarket bars are cheaper and fine when the listing names the DC33. Inspect and replace the belt while the head is open if it's worn.
How much does a Dyson DC33 brush roll cost?
Compatible brush roll options for the Dyson DC33 start around $13.98, with the genuine Dyson part around $16.23. The prices in the table above are checked against Amazon regularly; multipacks usually cost less per unit.
What's the most common mistake when replacing the DC33 brush roll?
The DC33 mistake is swapping the bar when a stretched/broken belt or wound hair is the real cause. The second is not clearing the housing channel, so the new bar runs off-balance and wears fast.