Pertresion 3660582001 Trimmer Head Spring Replacement for STIHL ST1500 Series (3/6/9 Pack)

Overview

Keep your trimmer performing at peak efficiency with the Pertresion compression spring (Part #3660582001). This genuine replacement is crafted to restore proper tension, align the trimmer head, and maintain steady cutting power during yard work, edging, and light brush clearing. The result is smoother operation and more consistent results without the guesswork of improvised fixes.

Compatibility and fit

This spring is designed for select STIHL 15" string trimmers and is compatible with a range of models. If your head model is AH1500, a different spring may be required. The following STIHL models are listed as compatible with this part:

• ST1500, ST15000-S, ST1500F, ST1500SF
• ST1500XY, ST1510S, ST1510T, ST1520
• ST1520S, ST1530, STA1500

Important note: Older versions of ST1500F or ST1500SF trimmers may use a different head and spring. If your trimmer head has green alignment lines that must line up to feed line, your head is likely AH1500 and requires part 3660650001. Please verify your trimmer model and head type before purchase to ensure a correct fit.

What this spring can do for you

• ✔ PERFECT FIT: Specifically designed for STIHL 15" heads, helping restore intended performance.
• ✔ DURABLE CONSTRUCTION: Made from premium materials to resist wear and corrosion under regular use.
• ✔ EASY INSTALLATION: A direct replacement that doesn’t require modifications or special tools.
• ✔ RESTORES EFFICIENCY: Proper tension and alignment can reduce slippage and improve cutting consistency.
• ✔ GENUINE REPLACEMENT: Meets OEM specifications for reliable operation and safety. Available in 3, 6, or 9 pack quantities.

Pack options and buying tips

Choose the quantity that best fits your maintenance rhythm. The 3-pack, 6-pack, and 9-pack options let you stock up for ongoing care or rotate parts as part of routine service. Before purchasing, double-check head type and model compatibility to ensure you’re selecting the correct spring for your trimmer.

Installation and care

Installation is straightforward when you follow your trimmer’s manual. Handle the spring with care to avoid bending, and ensure the head is securely reassembled after replacement. A correctly seated spring can help maintain reliable line deployment and cutting performance over time.

Why choose Pertresion

Pertresion focuses on practical, maintenance-ready components designed to extend the life of outdoor power equipment. This 3660582001 spring offers a genuine replacement option that aligns with your trimmer’s original specifications, giving you the potential for steadier operation and fewer unexpected downtime moments. If you have questions, reach out for guidance and we’ll help you confirm compatibility and fit.

Order today to support smooth operation and dependable cutting power in your next yard project.