Garden Machinery & Mower Parts
Technical review: 2026-08-20
Strimmer Spools, Lines & Trimmer Heads
Source pre-wound replacement strimmer spools, heavy-duty twisted nylon cutting line, spool caps, and springs for electric and petrol grass trimmers.
Where to Find Your Model or Part Number
To guarantee 100% compatibility, check these standard locations for model badges, OEM stampings, and serial numbers:
- Spool model code stamped on the plastic spool body (e.g. FLY021, AFS); trimmer rating badge.
Frequently Replaced Components & Spares
Pre-Wound Dual Line Spools
Factory-wound nylon line spools (1.5mm / 2.0mm / 2.4mm line)
Replacement Spool Cover Caps & Springs
Protective base cover caps retaining the spool inside the trimmer head
Common Symptoms & Fault Diagnostics
| Observed Symptom | Likely Root Cause | Recommended Action |
|---|---|---|
| Line will not auto-feed when bumped on ground or breaks constantly inside eyelet | Line melted together from high friction, wrong line diameter, or worn spool eyelet ring | Inspect and replace faulty component. |
Compatibility Verification Checklist
Before ordering replacement components, verify these technical specifications to avoid returns:
Verify line feed mechanism: Single line vs Dual line; Auto-feed vs Manual Bump feed.
How to Photograph Your Part for AI Identification
- 1Photograph the trimmer head base and the empty spool housing.