Compatible replacement drive belt options can save you up to 4.1% compared to the official Dyson part, without sacrificing filtration performance. The Dyson Outsize drive belt should be replaced Every 12 months — skipping this leads to Brush roll not spinning.

We've tested and ranked the best options below, including which aftermarket brands actually hold up over time.

⭐ Our Pick

Replacement Belts for Dyson DC17 Animal Vacuum Cleaner, Replace Parts 11710-01-02 and 911710-01 (Pack of 2) — Best balance of price and quality — 4% cheaper, nearly identical rating

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OEM vs Aftermarket: Side-by-Side

The key question for most buyers: is the official Dyson part worth 1.04× the price compared to a well-reviewed compatible replacement?

Attribute OEM (Dyson) Best Aftermarket
Price $7.29 $7.50
Rating 4.55★ (141 reviews) 4.25★ (386 reviews)
Fit type Exact OEM — guaranteed Engineered compatible
Pack options 2-pack available Single
Value score 6.18 3.38
Verdict Recommended — quality gap justifies price Acceptable budget option
$7.29 OEM Price
$6.99 Best Aftermarket
4.1% Potential Savings
4.5★ Avg Rating
842 Total Reviews

4 Replacement Options for the Dyson Outsize

Aftermarket Replacement Part for Dyson DC04, DC07 and DC14 Belt Pack for Clutch System, 2 Pack
Aftermarket Replacement Part for Dyson DC04, DC07 and DC14 Belt Pack for Clutch System, 2 Pack
Compatible
★★★★ 4.25 · 386 reviews Well Rated
Price: fairly priced · Value score: 3.38
Replacement Belts for Dyson DC17 Animal Vacuum Cleaner, Replace Parts 11710-01-02 and 911710-01 (Pack of 2)
Replacement Belts for Dyson DC17 Animal Vacuum Cleaner, Replace Parts 11710-01-02 and 911710-01 (Pack of 2)
Compatible ✓ Our Pick 2-Pack
★★★★★ 4.8 · 315 reviews Highly Rated
$3.50 per unit when buying 2-pack
Price: budget-friendly · Value score: 7.89
$6.99 $3.50/ea
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Vacbelts Dyson DC25 Vacuum Belts 2-Pack; Replaces Dyson DC-25 Part 914006-01 (91400601)
Vacbelts Dyson DC25 Vacuum Belts 2-Pack; Replaces Dyson DC-25 Part 914006-01 (91400601)
Official OEM 2-Pack
★★★★★ 4.55 · 141 reviews Highly Rated
$3.65 per unit when buying 2-pack
Price: budget-friendly · Value score: 6.18
$7.29 $3.65/ea
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Aftermarket Dyson DC17 Belt Compare to # 911710-01
Aftermarket Dyson DC17 Belt Compare to # 911710-01
Compatible 3-Pack
★★★★ 4.35 · 0 reviews Well Rated
$2.36 per unit when buying 3-pack
Price: budget-friendly · Value score: 1.28
$7.09 $2.36/ea
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🔍 Does Your Dyson Outsize Need a New Drive Belt?

Check any symptoms you're experiencing:

Frequently Asked Questions

How often should I replace the Dyson Outsize drive belt?
Dyson suggests replacing the Outsize drive belt Every 12 months under normal use — sooner with pets or daily heavy use. Signs it's due: Brush roll not spinning.
My brush roll stopped spinning — is it always the belt?
Not always. First rule out a bare-floor (brush-off) setting and hair jammed around the roller. If the roller is clear and still won't turn while suction is normal, the belt — or the brush gear on geared models — is the likely cause. Check the belt before suspecting the motor.
Do I have to buy the genuine Dyson part, or will a compatible one work?
Yes — a compatible (aftermarket) drive belt works well in the Dyson Outsize as long as it's made for this exact model. Aftermarket options can save up to 4.1% versus the genuine Dyson part. Look for 4.3+ stars with plenty of reviews, and confirm the listing names your exact model.
How much does a Dyson Outsize drive belt cost?
Compatible drive belt options for the Dyson Outsize start around $6.99, with the genuine Dyson part around $7.29. 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 drive belt?
Left too long, a worn drive belt causes: Brush roll not spinning. It can also strain the motor over time, so replacing it on schedule is far cheaper than a repair.