Fitment first · Trimmer · SKU B0DSBG7N1B

Replacement RS0303 Trimmer Line Spool

Replacement RS0303 Trimmer Line Spool For LawnMaster Grass Trimmers CLGT2410S,CLGT2412S,20VMWGT Weed Eater Spool Replacement HT21-401-003-02 For Hyper Tough …

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Compatibility checkpoint

Verify this before you buy

5 listed model matches
1 Match the machine model

Compare the model printed on your trimmer label with the fitment list below.

2 Confirm the line and spool spec

pre-wound spool

3 Check the part code

Match part B0DSBG7N1B or ASIN B0DSBG7N1B against the listing and your old part.

Listed model matches
LawnMaster Grass Trimmers CLGT2410SCLGT2412S20VMWGT Weed Eater Spool Replacement HT21-401-003-02Hyper Tough HT21-401-003-03HT22-401-03-05 RS93120
Equipment brandHyper Tough, Weed Eater
ReplacesB0DSBG7N1B
Spool typepre-wound spool
CategoryTrimmer
ConditionNew aftermarket replacement

Overview

Keep your string trimmer ready for action with this pre-wound replacement spool. It is built to the same dimensions as the OEM spool, so it drops right into the trimmer head with no modifications. Aftermarket spools provide the same cutting performance as factory originals at a better value.

Key specifications

  • Pre-wound replacement trimmer spool
  • Direct-fit for listed trimmer models
  • Bump-feed compatible winding pattern

Compatibility

This spool is designed for LawnMaster string trimmers as listed above. Confirm the spool part number, line diameter, and trimmer model before ordering to ensure a proper fit.

Installation notes

Remove the spool cover from the trimmer head. Extract the old spool and clean out any grass or debris. Insert the new pre-wound spool, feed the line ends through the guide holes, and reattach the cover. Verify the line extends the correct length before trimming.

Common questions

Q: Will this RS0303 trimmer line spool fit my LawnMaster CLGT2410S and Hyper Tough HT22-401-03-05, or do I need different spools for each trimmer?

Yes, this replacement spool is made to fit LawnMaster CLGT2410S, CLGT2412S, and 20VMWGT trimmers, and it also cross-references with Hyper Tough spool numbers HT21-401-003-02, HT21-401-003-03, HT22-401-03-05, and RS93120. If your trimmer matches one of those exact model or spool numbers, this is the correct replacement style.

Q: How do I install this RS0303 spool on my LawnMaster CLGT2412S without the line tangling or feeding backward?

Remove the spool cap, take out the old spool, and drop the new RS0303 spool in so the line feeds in the same direction as the original. Thread the line through the eyelet before snapping the cap back on, and make sure the line isn’t trapped under the spool or cover so it can advance properly during use.

Q: Can I reuse the spool by winding my own line on it, and what should I check if the line stops feeding on my 20VMWGT trimmer?

You can reuse the spool if the plastic body is not cracked or warped, but the line needs to be wound evenly and at the proper tension to prevent jams. If feeding stops, check for melted line inside the spool, debris in the spool housing, or incorrect winding direction, since all three are common causes of poor line advance.

Compatibility

This page lists compatible equipment gathered from the product fitment data. Always confirm the model number stamped on your machine before ordering.

LawnMaster Grass Trimmers CLGT2410SCLGT2412S20VMWGT Weed Eater Spool Replacement HT21-401-003-02Hyper Tough HT21-401-003-03HT22-401-03-05 RS93120

Not sure which spool you need? See our guide: How to wind a trimmer spool or How to measure your old spool.

Before you buy — how to verify fitment

  1. Find your trimmer model number. It's usually on a label on the motor housing, battery slot, or lower shaft.
  2. Check spool compatibility. Compare the model number with the compatibility list above.
  3. Verify line gauge. Confirm the line thickness matches what your trimmer head requires by checking your manual or the old spool.
  4. Inspect the spool housing. Make sure the spool diameter, cap, spring post, and feed style match your trimmer head.

Frequently asked questions

How do I know this spool fits my trimmer?

Check your trimmer model number against the compatibility list above. Then verify the line gauge (.065, .080, .095) matches what your trimmer head requires — it's usually printed on the spool cap or in the manual.

Can I rewind a pre-wound spool?

Yes. Once the factory line runs out, you can rewind the spool with bulk trimmer line of the same gauge. Pre-wound spools just save time on the first load.

How often should I replace the spool?

Replace the spool when the line no longer feeds properly, the spring loses tension, or the spool body is cracked. Under normal weekend use, a spool lasts 2–4 refills before the housing wears out.

What gauge trimmer line should I use?

Match the gauge to your trimmer's power: .065" for light-duty electric trimmers, .080" for mid-range cordless, and .095" for gas-powered or heavy-duty models. Using too thick a line can stall the motor.

Where to buy

This part is available through Amazon with free returns on most orders. Use the fitment details above to compare your model, old part number, and physical specs before ordering.

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