The Gentrax GT800 takes the Gentrax air filter for the GT800 and GT1200 (part gentrax-pt-airfilter812i) as its air filter; Australian sellers list it from A$39.00 as of 3 November 2026. Fitment confirmed against the manufacturer's compatibility list.
Your generator
Gentrax GT800
Inverter generator
Confirmed against Gentrax's listConfirmed against Gentrax's own compatibility list
Not yours? Change
Takes the gentrax-pt-airfilter812i air filter
air filter for the GT800 and GT1200 · check the code printed on your old filter before ordering.
Gentrax sells this filter for model code GSI-XHAX.
Your generator
Inverter generator
Confirmed against Gentrax's listConfirmed against Gentrax's own compatibility list
Takes the gentrax-pt-airfilter812i
Air filter · check the code on your old filter.
Gentrax sells this filter for model code GSI-XHAX.
Other Gentrax generators that take the gentrax-pt-airfilter812i
GenuineGenuine Gentrax
$39.00
Gentrax · 3 NovLowest genuine · Gentrax · checked 3 Nov
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Gentrax. Compatible: another brand.Genuine is made by Gentrax. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $39.00
Gentrax. Every seller we track is listed below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 1 seller
AUD, before delivery. Each price shows when it was checked.
Opens Gentrax in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it when it is torn or damaged, Gentrax says; clean it every 3 months or 50 hours.
After replacing: No reset needed.
How to change the air filter in your Gentrax GT800
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Turn the generator off and let it cool, on firm, level ground.
- 2Unscrew and remove the air filter cover, pull away the air cleaner housing and release its two plastic clips with a flat screwdriver.
- 3Take out the foam element. Wash it in household detergent and warm water (or a non-flammable solvent), rinse it and let it dry thoroughly.
- 4Soak it in clean engine oil and squeeze out the excess. Fit a new element if it is torn or damaged.
- 5Refit the element, the housing and the air filter cover.
Every number this part goes by
- Retail name:
- gentrax-pt-airfilter812i
Sellers list any of these; they are the same part.
About your Gentrax GT800
Gentrax generator, inverter generator — Gentrax inverter. Its air filter is the air filter for the GT800 and GT1200, part gentrax-pt-airfilter812i.
Where the model number is: The model is on the label on the generator's side panel or frame (Honda EU22i, Yamaha EF2000iS), with the serial number, and on the box. Switch the engine off and let it cool before you open a cover.
Fits these 2 Gentrax models
Common questions
- Which air filter fits the Gentrax GT800?
- The Gentrax GT800 takes the Gentrax air filter for the GT800 and GT1200 (part gentrax-pt-airfilter812i). Gentrax sells this filter for model code GSI-XHAX.
- Where can I buy the gentrax-pt-airfilter812i in Australia?
- We track 1 Australian seller for the gentrax-pt-airfilter812i; the lowest listed price when we last checked was A$39.00 at Gentrax. Prices are re-checked daily and dated on this page.
- How do I fit the gentrax-pt-airfilter812i in a Gentrax GT800?
- 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A clogged air filter starves the engine of air: it loses power, uses more fuel and is harder to start.
- Is there anything to reset afterwards?
- No reset needed.
Something looks wrong with the GT800 match? . Reports go to a person, not a bot.