This is a genuine replacement part manufactured for use with outdoor power equipment. The piston ring creates a seal between the piston and cylinder, and separates the combustion chamber from the crankcase. A worn or damaged piston ring can allow gases to escape which can reduce compression, and cause the engine not to run. Damage to the piston ring can cause damage to the cylinder, so it is recommended to inspect the cylinder for damage when replacing the ring. The ring is sold individually, please see model diagram for additional parts.
Piston Ring A101000090
OEM part for: Echo, Shindaiwa, Little Wonder
Part Number: A101000090
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Frequently Purchased Together ?
Compatibility
This part will fit the following 433 machines
Shindaiwa
Echo
Little Wonder
This item works with the following types of products:
- Hedge Trimmer Parts
- Trimmer Parts
- Blower Parts
- Grass Trimmer Parts
- Cultivator Parts
- Pruner Parts
- Vacuum Parts
- Edger Parts
Repair Videos ?
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Customer Part Reviews ?
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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 ring and gouge on piston, Cylinder walls OK
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Wrench Set, allen wrenches
Parts Used
Not enough compression to run
Tool Type
Blower
Difficulty
Medium
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Also had to pry off high rev limiter cover and readjust the setting. Runs like new now.
Broken piston ring
Tool Type
Trimmer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Socket set
Parts Used
Low compression, Ring was seized from not being used.
Tool Type
Hedge Trimmer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Socket set, 3mm and 4mm allen wrenches
Removed muffler and the carburetor and left fuel lines intact.
Removed 4 4mm allen head bolts and removed cylinder and head assembly,
Removed the old ring and cleaned the piston and ring groove.
Installed new ring being careful to line up pin with ring opening.
Lubricate piston and ring assembly and install head and sleeve being careful to hold the ring compressed. Do not force, it will slide in very easily.
Torque head assembly and assemble in reverse order.
Prime 6x, pull 6x, turn on ignition and start. Adjust carburetor via idle and high speed jet. The covers used 3mm screws.
Low compresson
Tool Type
Blower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Allenwrench
Would not start
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
Parts Used
Working on multiple machines one more carburetor issues replacing rings and three of them
Tool Type
Blower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Power Drill, Socket set, Wrench Set, Nutdriver, Allen wrenches
no compression
Tool Type
Hedge Trimmer
Difficulty
Easy
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, none
Parts Used
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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.