99944200903 Speed-Feed 450 Trimmer Head
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$12.64
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$15.59
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$12.64
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99944200903 Speed-Feed 450 Trimmer Head
Key Features
- High-capacity, bump-feed design for line advancement.
- Allows for rapid reloading of trimmer line without disassembling the head.
- Holds up to 20 feet of 0.095-inch diameter line.
- Internal design with a split spool minimizes line tangling and welding.
- Includes a 10mm x 1.25mm Left-Hand (LH) thread adapter for mounting.
Replaces / Cross-Reference Part Numbers
- ECHO OEM Part Number: 99944200903
Compatibility & Fitment
- Fits most ECHO straight shaft string trimmer and brushcutter models.
- Compatible with models such as the SRM-266.
- Requires a 10mm x 1.25mm Left-Hand (LH) threaded arbor for installation.
When to Replace
- Existing head is cracked, broken, or excessively worn.
- The bump-feed mechanism no longer advances the line correctly.
- Line becomes frequently tangled or jammed inside the spool.
- The bottom cap or eyelets are worn through, causing line to break.
Installation Tips
- Disconnect the spark plug wire from the spark plug before servicing.
- Insert a locking tool into the designated hole to prevent the head from rotating.
- Unscrew the old head by turning it clockwise (reverse or left-hand thread).
- Thread the new head on by turning it counter-clockwise until it is hand-tight.
-
FIX TRIMMER'S SYMPTOMS
Stuck/Tangled/ Broken trimmer head, The trimmer does not spin, The threads are stripping, Uneven Trimming, Excessive Vibration -
SAVING SOLUTION
Enjoy the great feeling when your trimmer is repaired and works like before - BlueStars brings DIY solutions to help you deal with any trouble -
MAINTENANCE TIPS
- Regular Cleaning -
IMPORTANT NOTE
This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility
EASY INSTALLATION
1. Bump the bottom of the trimmer head against the ground.
| Brand | Model Number |
|---|---|
| Replace part number | Echo string trimmer 99944200903, X047000940, Shindaiwa string trimmer 28820-08000, 78890-21001 X047000580, 55-265, 385-288 |
| Fit Echo | SRM-266 S/N: T41913001001 - T41913999999 ; T42011001001 - T42011999999 SRM-266 S/N: T42112001001 - T42112999999; T42211001001 - T42211999999 SRM-266S S/N: T42312001001 - T42312999999; T43313001001 - T43313999999 SRM-266S (T42211001001-T42211999999) Steel Drive Shaft Trimmer SRM-266S (T42312001001-T42312999999) Steel Drive Shaft Trimmer SRM-266S (T43313001001-T43313999999) Steel Drive Shaft Trimmer |
| Fit Echo | SRM-266U 25.4cc Straight Shaft Trimmer/Brushcutter, SRM-266U (T42712001001 - T42712999999) Straight Shaft Trimmer/Brushcutter, SRM-266U (T43513001001-T43513999999) Straight Shaft Trimmer/Brushcutter SRM-266T S/N: T42411001001-T42411999999 SRM-266T S/N: T42512001001-T42512999999, SRM-266T S/N: T43413001001 - T43413999999, SRM-266T (T42411001001-T42411999999) High Torque Trimmer, SRM-266T (T42512001001-T42512999999) High Torque Trimmer, SRM-266T (T43413001001-T43413999999) High Torque Trimmer |
| Fit Echo | SRM-266U S/N: T42712001001 - T42712999999, SRM-266U S/N: T43513001001 - T43513999999, SRM-280 S/N: S66511001001 - S66511999999, SRM-280 S/N: S74012001001 - S74012999999, SRM-280 S/N: S81513001001 - S81513999999, SRM-280S S/N: S66611001001 - S66611999999, SRM-280S S/N: S74112001001 - S74112999999 |
| Fit Echo | SRM-280T S/N: S66711001001 - S66711999999, SRM-280T S/N: S74212001001 - S74212999999 SRM-280T S/N: S81713001001 - S81713999999, SRM-280U S/N: S67511001001 - S67511999999, SRM-280U S/N: S75012001001 - S75012999999, SRM-280U S/N: S82513001001 - S82513999999 |
Product Dimensions
1 x 1 x 1 inches
Item Weight
1.08 pounds
Manufacturer
BlueStars