Atunee

Atunee Chain Bar Tensioner Kit for Echo CS-400/CS-450 – Replacement Parts

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

$13.81

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

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

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose Cera Garden

Overview

The Atunee Chain Bar Tensioner Kit is a practical replacement for Echo saws, designed for CS 400 and CS 450 models. It helps keep the chain bar properly tensioned for smoother operation and easier maintenance.

What you get

  • Replacement for Echo Part Numbers: cs-400 chain tensioner replace for V651000001 V651000011 V203000110 C309000030 V355000800.
  • Compatible Models: Chainsaw chain bar tensioner kit fits for Echo CS400, CS-400, CS-450 chainsaws
  • Durable Material: High quality chainsaws chain bar tensioner is durable and easy to use and install.
  • Package Include: 1 kit cs400 Chain Bar Tensioner Adjuster Kit Set Assembly.
  • Premium Service: If you have any problems during using our product, contact our Professional after-service team via email. We will get in touch with you and timely solve your problems.

Why choose Atunee

Key benefits of this tensioner kit include durable construction, straightforward installation, and compatibility with popular Echo models. While results can vary depending on use, the kit offers a practical path for simple maintenance and reliable tensioning over time.

Use cases

  • Regular maintenance on Echo CS-400 or CS-450 to keep the bar aligned
  • On site replacement after wear or damage to the original tensioner
  • Simple upgrade for DIY saw care and upkeep

How to install

Install by aligning the tensioner with the bar groove, securing with the included hardware, and testing tension. If in doubt, reach out to the support team for guidance.

FAQ

Q: Which Echo models are compatible with the Atunee Chain Bar Tensioner Kit?

A: Designed for Echo CS-400 and CS-450, it replaces multiple part numbers for easy sourcing.

Q: What comes in the package?

A: Includes 1 cs400 chain bar tensioner adjuster kit set assembly.