This genuine Echo replacement driveshaft is sourced from original manufacturer. It is used in many power tools such as edgers, trimmers, and brushcutters. This part is located inside the tube. Flexible driveshafts are much easier and quicker to replace than traditional driveshafts. Sold individually.
Flexible Driveshaft C506000390
OEM part for: Echo
Part Number: C506000390
![](/images2/icon-shiptruck.png)
![Echo Echo](images/35043_white.png)
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Compatibility
This Flexible Driveshaft will fit the following 422 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Edger Parts
This part replaces obsolete part #: C506000150, 61001344730
Repair Videos ?
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Customer Part Reviews ?
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Does this fit my product?Questions & Answers for Flexible Driveshaft
Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Broken drive shaft
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Driveshaft broke had to replace motor would run head wouldn't turn
Tool Type
Trimmer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Nutdriver
Parts Used
Took out the screw lock
Twisted the head back n forward came off pretty easy
Pull out the 2 pieces of the old shaft installed the new one
Put head back on put line up screw back in
Put shield bolts back in.
Good as new
Drive shaft on trimmer wore out would not spin
Tool Type
Edger
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Flex shaft broke
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set
Replaced the flex shaft and housing
Replaced the shaft to the engine
Replaced the head to the shaft
Trimmer driveshaft broke (replaced)
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set
Parts Used
main pipe was rubbed thru from hauling on a rack on my trailer
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, t25 torx driver
Drive shaft was stretched. Grips dry rotted. Carburetor was not priming. Trimmer gear head was missing fixed blade and spacer.
Tool Type
Trimmer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Nutdriver
Removed engine from tube and replaced drive shaft.
Remove clutch drum cover and removed old clutch and installed new clutch.
Reinstalled tube to engine.
Connected throttle cable and ground wire.
Installed gear head spacer and cover blade and installed new speed feed head.
Started right up and ran like new.
Was a free trimmer so rebuilding it for my lawn care business made perfect sense. Spent $70 to have a $300 weed eater. ECHO ENGINES GO THE DISTANCE. just do maintenance and you can run them for years and years. One of mine is 12 years old and the other is 15 yrs old. Run them 6 days a week.
Flexible driveshaft broke.
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Nutdriver
Exchanged main pipe and shaft.
Replaced screws.
Flexible shaft broke
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers
Parts Used
Flexible Driveshaft tip broke off.
Tool Type
Trimmer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Allen wrench
Parts Used
Pull the long flexible shaft out.
Insert the new one.
Molly grease the end fitting.
Reassemble the head.
Your good to go.
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.