WhichPartFits.com

Trimmer Line

Arnold 490-080-0100

Also: 490 080 0100

6 compatible models

The Arnold 490-080-0100 is an aftermarket trimmer line compatible with 6 models across 2 brands. Compatible equipment includes Echo SRM-210, Echo SRM-225, Stihl FS 38, Stihl FS 40, Stihl FS 45, and 1 more.

Verify before ordering: Fitment can vary by serial number, production date, region, and sub-model. Match the OEM number and physical dimensions before ordering.

Amazon Buying Check

Use the Amazon listing to compare kit contents, seller details, shipping, and OEM compatibility notes before ordering.

Some links may be affiliate links. Match the OEM number, dimensions, and model variant before buying.

Compatible Models

BrandModelOEM #ConfidenceSourceReviewedEvidence
EchoSRM-210Spec-basedLowInferred2026-05-20.080" diameter, roundTrimmer
EchoSRM-225Spec-basedLowInferred2026-05-20.080 inch round trimmer lineTrimmer
StihlFS 38Spec-basedLowInferred2026-05-21.080" diameter, roundTrimmer
StihlFS 40Spec-basedLowInferred2026-05-20.080" diameter, roundTrimmer
StihlFS 45Spec-basedLowInferred2026-05-21.080" diameter, roundTrimmer
StihlFS 55Spec-basedLowInferred2026-05-20.080" diameter, roundTrimmer

What this part is

Arnold 490-080-0100 is listed here as a trimmer line replacement option. Use this page as a fitment cross-reference, then confirm the removed part, model plate, and seller listing details before buying.

OEM numbers it replaces

No OEM number is published for this cross-reference yet; verify by the model-specific spec and removed part.

Alternate spellings

490-080-0100, 490 080 0100

Known exclusions

  • No specific exclusion is listed in the current data. Still verify serial range, production variant, and removed-part details before ordering.

Dimensions and specs

  • .080" diameter, round
  • .080 inch round trimmer line

Symptoms that suggest replacement

  • Part is damaged, missing, worn, or fails the model-specific fitment checks below

How to verify before buying

  • Confirm your equipment is one of the compatible models listed above.
  • Match the OEM number, stamped part number, or physical spec against the removed part.
  • Read the model-specific evidence, confidence, source, reviewed date, dimensions, notes, and exclusions before opening an Amazon listing.

Common wrong-fit mistakes

  • Ordering from a broad model-family listing without checking the exact equipment model.
  • Ignoring the old OEM number, stamped part number, or physical dimensions.

Related model and part pages

Amazon buying cautions

  • Check that the Amazon listing includes the exact part number or verified cross-reference shown here.
  • Compare kit contents, gaskets, fuel lines, bulbs, plugs, filters, and dimensions against the removed part before checkout.
  • A listing title can mention the right model and still include the wrong revision, accessory, or generic substitute.