Bissell BigGreen 86T3 Brush Roll Replacement — 2026 Guide
If your Bissell BigGreen 86T3 is showing signs of trouble — Poor carpet pick-up, visible wear — it's likely time for a brush roll replacement. Manufacturers recommend replacing it Every 12-24 months, though heavy use can shorten that window significantly.
Below we've compared every available option: the original Bissell part and the top-rated compatible alternatives, so you can make the right call for your budget and usage.
About the Bissell BigGreen 86T3
The Bissell Big Green 86T3 is a heavy-duty upright deep carpet cleaner. Its rotating brush roll scrubs the carpet while solution is applied; the bristles wear and hair wraps the roller, so it's a routine replacement on a hard-working machine.
The 86T3 brush roll is driven by the belt and lifts out from under the machine. Because the Big Green runs wet, rinse the roller after use; replace it when the bristles are matted or worn, or it stays smelly. Clear wound hair from the ends to keep it balanced.
✓ Buying Advice
Genuine Bissell rollers guarantee the right bristles; aftermarket rollers are cheaper and fine when the listing names the 86T3 (Big Green). Inspect the belt while the roller is out.
⚠ Common Mistakes
The 86T3 mistake is leaving the wet roller in the machine to dry, which breeds odour. The second is replacing the roller when the real fault is a worn belt — check both when the brushes stop scrubbing.
6 Replacement Options for the Bissell BigGreen 86T3
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🔍 Does Your Bissell BigGreen 86T3 Need a New Brush Roll?
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Frequently Asked Questions
How often should I replace the Bissell BigGreen 86T3 brush roll?
Do I need a new brush roll, or can I just clean it?
Do I have to buy the genuine Bissell part, or will a compatible one work?
What's the most common mistake when replacing the BigGreen 86T3 brush roll?
Read our step-by-step guide: How to replace the Bissell BigGreen 86T3 brush roll — takes about 5–10 minutes, no tools required.