What happens if I don't change it?

The trimmer stops cutting when the line runs out, and line of the wrong diameter jams the head or strains the motor.

Line trimmer spool

Husqvarna spool and line A15B, 3-pack (534 16 21-01)

534 16 21-01

Fits 2 models

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GenuineGenuine Husqvarna

$10.67 each

3-pack $32.00

Husqvarna Australia · 30 OctLowest genuine · Husqvarna Australia · checked 30 Oct

CompatibleCompatible option

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No compatible seller tracked yetNo compatible seller tracked yet

Genuine: made by Husqvarna. Compatible: another brand.Genuine is made by Husqvarna. Compatible is made by another brand. Check the seller's page for the size and models it fits.

Lowest price · $10.67 each · 3-pack $32.00

Husqvarna Australia. 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.

Open Husqvarna Australia · $10.67 each · 3-pack $32.00

Compare 1 seller

AUD, before delivery. Each price shows when it was checked.

Genuine Husqvarna

1 seller

Husqvarna AustraliaGenuine · checked 30 OctGenuine part · Lowest genuinechecked 30 Oct$10.67 each3-pack $32.00OpenGo to seller

Open cheapest seller · $10.67 each · 3-pack $32.00

Opens Husqvarna Australia in a new tab. Their page is the source of truth for price, delivery and returns.

How long it lasts

Replace it when the line runs out; the A15B head feeds line automatically until then.

After replacing: No reset needed.

How to change the 534 16 21-01 spool

Watch the guide or follow the steps.

Husqvarna Aspire™ Battery Grass Trimmer | Replacing The Trimmer Line With Walt Collins · Husqvarna Australia (official)

1Release the power trigger, switch off with the on/off button and remove the battery.
2Press the tabs on the A15B head cover and lift off the cover, then take out the old spool.
3Fit a new pre-wound spool and feed each line end out through its eyelet, leaving about 12.5 cm out.
4Press the cover back on until it clicks.
5Clean the head cover each time you fit new line to prevent vibration.

Every number this part goes by534 16 21-01 · 534162101 · 7392930883741 · A15B spool

Retail name:: 534 16 21-01
Retail name:: 534162101
Retail name:: 7392930883741
Retail name:: A15B spool

Sellers list any of these; they are the same part.

Will it fit your appliance?

Type your model number and we'll check it against the makers' lists.

Your appliance model

Fits these 2 Husqvarna models110iL, Aspire T28-P4A

Husqvarna2 models

Common questionsWhat does the 534 16 21-01 fit? · Where can I buy the 534 16 21-01 in Australia? · How do I fit the 534 16 21-01?

What does the 534 16 21-01 fit?: The Husqvarna spool and line A15B, 3-pack (534 16 21-01) fits the Husqvarna 110iL and Aspire T28-P4A.
Where can I buy the 534 16 21-01 in Australia?: We track 1 Australian seller for the 534 16 21-01; the lowest listed price when we last checked was A$10.67 at Husqvarna Australia. Prices are re-checked daily and dated on this page.
How do I fit the 534 16 21-01?: No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?: The trimmer stops cutting when the line runs out, and line of the wrong diameter jams the head or strains the motor.
Is there anything to reset afterwards?: No reset needed.

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