The echosari P021037920 fuel cap close-up shows a secure seal and durability
Side view of the echosari fuel cap demonstrates easy replacement on Echo chainsaws
Installed on cs-310, the echosari p021037920 fuel cap offers a snug, reliable fit
Close-up view of the echosari fuel cap highlighting compatibility with multiple Echo models

echosari

New Genuine Echo P021037920 Fuel Cap for CS-310 CS-352 CS-370 CS-440 CS-450 | echosari

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

$21.70

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Why customers choose PatioZora Garden

Overview

Upgrade your chainsaw maintenance with a genuine Echo fuel cap, part number P021037920. This replacement is designed to restore the original sealing performance, resisting fuel exposure, temperature shifts, and regular outdoor use. While Echo periodically updates part numbers, the listings 13100437932 and 13100437933 point to the same cap, ensuring you receive an authentic component that matches Echo’s design intent.

Built to support dependable fueling, this cap combines a snug fit with durable materials. It’s a practical inclusion for anyone who relies on their Echo chainsaw for long jobs or quick turnaround tasks, offering a reliable replacement that stays consistent with the manufacturer’s standards.

Compatibility and coverage

  • Fits CS-310, CS-352, CS-370, CS-440, CS-450 and other Echo models listed in the description
  • Direct replacement to preserve the original fueling experience

Key benefits

  • Secure seal to help prevent fuel leaks during transport and refueling
  • Durable construction that withstands fuel exposure and outdoor conditions
  • Easy replacement to minimize tool downtime
  • Genuine Echo design for reliable compatibility and performance

What’s included and installation tips

  • 1 x P021037920 fuel cap (genuine Echo part)
  • Tip: align threads and tighten by hand for a snug fit; no specialized tools required on most models

Real-world use scenarios

Whether you’re a professional contractor or a weekend enthusiast, this fuel cap supports confident refueling. A robust seal helps maintain clean fuel flow across seasons, and the precise fit minimizes interruptions during busy work days.

FAQ

Q: What models is this fuel cap compatible with?

A: Fits Echo CS-310, CS-352, CS-370, CS-440, CS-450 and other Echo models listed in the description.

Q: Why choose a genuine Echo fuel cap?

A: Genuine parts ensure proper seal, durability, and reliable replacement compatibility, reducing potential leaks during refueling.

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