Lifetime Warranty
[Lifetime Warranty] 99944200903 Speed-Feed 450 Trimmer Head
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$13.65
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$15.29
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99944200903 Speed-Feed 450 Trimmer Head
Key Features
- Features a rapid-loading system for trimmer line refills.
- Bump-feed mechanism advances line with a simple tap on the ground.
- Holds up to 20 ft. of 0.095 in. diameter trimmer line.
- Constructed with a durable, high-impact housing.
Replaces / Cross-Reference Part Numbers
- Direct OEM replacement for part number 99944200903.
Compatibility & Fitment
- Fits various ECHO straight-shaft grass trimmers and brushcutters.
- Commonly used on models such as the ECHO SRM266.
- Requires a 10 mm x 1.25 mm left-hand (LH) threaded arbor for installation.
When to Replace
- The outer housing is cracked, broken, or excessively worn.
- The bump knob fails to advance the trimmer line upon tapping.
- Internal components are worn and can no longer grip or feed the line properly.
- Line eyelets are damaged, causing the line to fray or break frequently.
Installation Tips
- Disconnect the spark plug before beginning installation for safety.
- Lock the gearbox to prevent the head from rotating during removal.
- Unscrew the old head by turning it clockwise (it is reverse-threaded).
- Secure the new head by threading it on counter-clockwise until snug.
-
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. Inspect the Trimmer Line & Keep surplus trimmer line around. Check the Air Filter & Fuel/Oil. Store Trimmer Appropriately -
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; 2. Align arrows on top of the knob with openings in eyelets; 3. Push the line an equal distance of about 5in (13 cm); 4. Turning the top disc until tight. Test running for 5 mins to ensure proper operation.
| Brand | Model Number |
|---|---|
| Replace part number | Echo string trimmer 99944200903, X047000940, Shindaiwa string trimmer 28820-08000, 78890-21001 X047000580, 55-265, 385-288 |
| 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 |
| 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 |
| 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 |
| 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 |