Quick answer

Replacing the Bissell BigGreen 86T3 side brush is a DIY job of about 10 minutes. Compatible side brushs currently start at $8.99 (genuine Bissell OEM from $16.15). Replace it Every 3-6 months under normal use. Full step-by-step below.

Compatible Side Brush for the Bissell BigGreen 86T3

Prices pulled from Amazon and verified September 2026. “OEM” is a genuine Bissell part; the rest are tested aftermarket options.

PartTypePriceRating
Hoover Upholstery Nozzle, with Tab and Bristle Strip OEM $16.15 4.55★ (0) Buy on Amazon
Replacement 3" Tough Stain Brush Tool Compatible with Bissell Little Green Upright & Portable Carpet Cleaners for 1400B, 2513, 3353, 1425, 1400W, 1844, 2290A Series, Green,1 Brush Nozzle Head Aftermarket $8.99 4.65★ (163) Buy on Amazon
Replacement Part For Bissell 86T3 Big Green Professional Machine 6inch Assy Nozzle stair Brush Strip # compare to part 2036654 Aftermarket $20.83 4.55★ (79) Buy on Amazon
Replacement Part For Bissell 86T3 Big Green Professional Machine Turbo Brush Hand Tool # compare to part 2036652 Aftermarket $43.88 4.55★ (4) Buy on Amazon

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Step-by-Step: Replacing the Bissell BigGreen 86T3 Side Brush

1
Power off
Turn off and unplug your Bissell BigGreen 86T3 before starting.
2
Access the component
Locate the side brush according to your model's user manual.
3
Remove old part
Follow the model-specific removal procedure for the side brush.
4
Install replacement
Insert the new side brush and ensure it's properly seated.
5
Test performance
Power on and confirm normal operation is restored.

⚠ Common mistakes to avoid

  • Confirm the part matches your exact model number before buying — Bissell reuses parts across lines.
  • Never wash a filter unless it's marked washable, and dry it fully (24h) before refitting.
  • Don't force the part — if it resists, check alignment before applying pressure.
  • Always disconnect power (or remove the battery) before any internal work.
🔁 How often to replace

The Bissell BigGreen 86T3 side brush should be replaced Every 3-6 months under normal use — sooner with pets or daily heavy use. Signs it's due: Poor edge cleaning, brush not spinning.

How we made this page: the steps are written for the Bissell BigGreen 86T3 specifically; the compatible-part list is pulled from our parts database and price-checked against Amazon. Last verified September 2026.