GREENWORKS spool

1803702 spool: which trimmers it fits

GREENWORKS lists the 1803702 (also sold as .065" Single Line Auto-Feed Spool, .065" Single Line Auto-Feed Spool (R0102066-00), R0102066-00) for 15 trimmer models. It takes .065" line.

Compatible trimmers

as listed by GREENWORKS
SeriesModels
Other21332, 21302, 1348902, 1369302, 1369202, 1368402
STST24B217 (2128502), ST24B210 (2102902), ST40L213 (2130602), ST40B05 (2130502)
STBLSTBL24B310 (1346102), STBL24B210 (1314002), STBL40B401 (1346002)
STBASTBA24B210 (1301102)
CKCK40L412 (1369002)

Your model number is on the label on the trimmer's motor or shaft housing. If it isn't listed, compare the old spool and cap before buying.

Sold as 1803702, R0102066-00 — same spool, different pack sizes.

Sources

Compiled from GREENWORKS's own product page and manual, last checked 2026-09-25. aporozona is not affiliated with GREENWORKS.