CRAFTSMAN CMZST120SC spool cap front view highlights quick, tool-free replacement.
CRAFTSMAN CMZST120SC spool cap side profile demonstrates reliable compatibility with WeedWacker models.
CRAFTSMAN CMZST120SC spool cap packaging shows ready-to-install replacement part.
CRAFTSMAN CMZST120SC spool cap compatibility ensures smooth line feeding.

CRAFTSMAN

CRAFTSMAN String Trimmer Spool Cap CMZST120SC – Replacement for WeedWacker Trimmers

High-performance patio lawn and garden made for confident daily results

$13.93

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Premium patio lawn and garden quality selected for United States (USA) customers.

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Why customers choose Cera Garden

Overview

Meet the CRAFTSMAN CMZST120SC spool cap, a compact, durable replacement part designed for quick fixes on popular WeedWacker trimmers. Built to withstand routine yard work, it helps keep the line feeding steady and the head turning smoothly.

Key compatibility

  • Fits CMCST900 and CMCST910
  • Also compatible with CMESTA900 and CMESTE920
  • Works with CMCST98020 series WeedWacker trimmers

Why this cap matters

A well-fitting cap can reduce downtime between jobs and maintain consistent line feeding. The CMZST120SC is designed for a secure snap-in fit and reliable performance during trimming, edging, and maintenance tasks.

  • Snug, tool-free installation for faster setup
  • Sturdy plastic construction stands up to sunlight and heat
  • Helps prevent line tangles and cap misalignment during use

Real-life use scenarios

Imagine a mid-morning lawn edge where a quick cap swap minimizes tool downtime, letting you finish the trimming run with steady line feed and clean cut lines.

How to use

Power off the trimmer, remove the old cap, place the replacement, and secure the spool as directed in the user guide. A clean swap can mean fewer interruptions on site.

FAQ

Q: Which trimmer models are compatible with the CMZST120SC spool cap?

A: The CMZST120SC fits CMCST900, CMCST910, CMESTA900, CMESTE920, and CMCST98020 WeedWacker models.

Q: How do I replace the spool cap?

A: Power off the trimmer, remove the old cap, snap in the replacement, and reassemble the spool as instructed.

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