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Check out this video on YouTube to see how you can install these performance parts on your saw, step by step. Here you can see what's involved and what tools you'll need.
COMPATIBLE WITH ALL CS-590 AND CS-620 VARIANTS
WILL NOT FIT ON REALLY EARLY MODEL CS-600P WITH THE "ROUND" INTAKE TUBE WITHOUT SOME LIGHT MODIFICATION OF WASHER.
INCOMPATIBLE SERIAL NUMBER BREAKS:
C03603001001 - C03603999999
C03704001001 - C03704999999
C22312001001 - C22312001600
WILL WORK WITH LATE MODEL CS-600P SERIAL NUMBERS OF:
C22312001601 - C22312999999
C22413001001 - C22413001550
C22413001551 - C22413999999
A little expensive for what it is, but if you source the o-rings yourself then you'll still lack the custom metal washer that helps seal the carb intake. These parts fit well and positively eliminate the worry of dusting the engine (unless the filter somehow gets damaged), so to me it's money well spent.
Product was as advertised. Fit well. Should give long service for my ECHO 590. Delivery was fast. I would recommend this product.
The metal piece is machined to the correct shape pretty well. It really does tighten the tolerances of all the pieces.
Great service and products!
Definitely worth it, a must have for a 590 or 620. Seals the intake around the filter very well plus very easy to install. A++++
THE DUKE'S CHAINSAW CHAIN
HARD CHROME, AGGRESSIVE
Professional style chain, with hardened, blued and chrome plated cutters.