Official Husqvarna warranty & serial services
Read the plate. Check the evidence.
Decode documented professional-equipment year/week serials and the model-specific 122LK format.
Browse Husqvarna manuals and guides →Check a documented system
Documented Husqvarna outdoor power equipment serials; professional 9/11-digit systems after 1999 and 122LK manual format.
Read the label on your product
Find the complete serial and any separately labelled date, product or model code. Compare your device with the matching product family below.
Location guidance alone does not establish that one of the supported date formats applies. Preserve the separate PNC and model name.
Location guidance alone does not establish that one of the supported date formats applies. Preserve the separate PNC and model name.
Location guidance alone does not establish that one of the supported date formats applies. Preserve the separate PNC and model name.
Location guidance alone does not establish that one of the supported date formats applies. Preserve the separate PNC and model name.
Location guidance alone does not establish that one of the supported date formats applies. Preserve the separate PNC and model name.
Scope matters
Research reviewed October 16, 2026. This independent tool applies published rules and retains unresolved years and model candidates.
Nine-digit professional-equipment serials made after 1999.
The source example 054200362 is year 2005, week 42, sequence 00362. Other Husqvarna equipment may use another system.
Confirm the post-1999 Husqvarna professional-equipment YYWWxxxxx serial system.
Eleven-digit professional-equipment serials after 1999; also described in the 325iB/525iB Mark II manual.
The full year is followed by production week and five sequence digits. Husqvarna gives 2005-4200362 as an equivalent of its 2005 week-42 example.
Confirm the eleven-digit YYYYWWxxxxx serial format in the professional-equipment support page or matching Husqvarna manual.
Husqvarna 122LK power unit, ten-digit serial format documented in its 2024 operator manual.
Confirm the model 122LK from its separate label. The manual defines the full-year and week positions. The manual does not decode the remaining four digits; no model, factory or production-volume claim is inferred from them.
Reading your result
Some systems reuse letters or only encode the last one or two year digits. Every supported interpretation is retained. A decade supplied from reliable records can narrow the reading; the tool does not automatically pick the newest year.
Usually the model is a separate plate field. Where published serial ranges actually identify a model, the result shows model candidates and links to their manuals. Overlapping ranges remain ambiguous.
After a lookup, the address includes the serial in a fragment beginning with #serial=. Use “Copy share link” to share the serial and selected context. Opening the link runs the same lookup. The fragment is not a query-string result page.