Quick answer

Replacing the Bissell BigGreen 86T3 hepa filter is a DIY job of about 10 minutes. Compatible hepa filters currently start at $11.99 (genuine Bissell OEM from $46.63). Replace it Every 12 months under normal use. Full step-by-step below.

The HEPA filter for the 86T3 is crucial for trapping fine dust, allergens, and pet dander, ensuring cleaner air exhaust and optimal machine performance when replaced annually.

Compatible HEPA Filter 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
BISSELL air320 Air Purifier Replacement HEPA Filter and Activated Carbon Filter Pack, New Genuine OEM Parts, 3314, Black OEM $46.63 4.85★ (569) Buy on Amazon
Hoover Vacuum Filter for ONEPWR Blade Cordless Vacs, Reusable, High-Performance Filtration, Part # AH85300, Hoover Vacuum Filters Replacement OEM $11.99 4.65★ (0) Buy on Amazon
2801 Replacement Filter Compatible with Bissell MYair Personal Air Purifier 2780 2780A 2780B 2780P and 27809 - Compare to My Air Part 2801, High Efficiency Activated Carbon Filters (2 Pack) Aftermarket $21.83
$10.91/ea
4.85★ (1,163) Buy on Amazon

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About the Bissell BigGreen 86T3

The Bissell BigGreen 86T3 is a powerful carpet and upholstery cleaner designed for deep cleaning and removing tough stains from various surfaces.

Step-by-Step: Replacing the Bissell BigGreen 86T3 HEPA Filter

1
Power off and unplug
Switch off and unplug the Bissell BigGreen 86T3 first.
2
Open the post-motor filter
Locate the post-motor / final filter compartment — separate from the washable pre-motor filter — and release it.
3
Remove the old filter
Lift the filter out, tipping it away from you so trapped dust stays in.
4
Fit the new filter
Seat the new filter so it sits flush with an even seal; if reusing a washed one, be sure it's fully dry.
5
Close and test
Refit the cover, plug in and confirm suction is back.

⚠ Common mistakes on the BigGreen 86T3

The most common mistake is neglecting to replace the HEPA filter every 12 months, which reduces air filtration effectiveness and can strain the vacuum motor.

✓ OEM vs aftermarket for the BigGreen 86T3

For your 86T3 HEPA filter, consider genuine Bissell OEM parts for guaranteed fit and filtration efficiency, or choose high-quality compatible filters from reputable brands for cost-effective performance.

🔁 How often to replace

The Bissell BigGreen 86T3 hepa filter should be replaced Every 12 months under normal use — sooner with pets or daily heavy use. Signs it's due: Reduced suction, musty odor.

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.