Medium
1-2 hours
This is a genuine OEM approved replacement part designed for use with Hitachi nailers. The piston is a central component of an engine. It both provides compression within the engine, as well as transfers the energy from combustion to the crankshaft (which creates rotation). This assembly includes the metal piston, ring, two retainers and the pin. Replacing the piston assembly is not the simplest repair, but it is definitely something you can do yourself. You will need a screwdriver to remove the cover and a set of sockets and wrenches for the rest of the repair.
Kit- Piston 530071833
OEM part for: Weed Eater, Poulan, Craftsman, Jonsered, Husqvarna
Part Number: 530071833
$43.76
In Stock
Ships within 1 business day 
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Compatibility
This Kit- Piston will fit the following 427 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Poulan
Weed Eater
Craftsman
Jonsered
Husqvarna
Show More Compatible ModelsThis item works with the following types of products:
- Trimmer Parts
- Edger Parts
- Blower Parts
- Hedge Trimmer Parts
- Pruner Parts
This part replaces obsolete part #: 5300713-57, 530069812, 530071357
Customer Part Reviews ?
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worked as expected
arrived in good condition, repair completed to expectation, equipment working again
Guest -
August 21, 2019
Verified Purchase
You are very serious
Everything was right
Guest -
July 17, 2019
Verified Purchase
Worked as expected
Worked fine
Guest -
December 4, 2019
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
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We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Kit- Piston
Will piston kit 530071833 fit cylinder 530012541 -25 cc
Bernie
for model number Poulan blower BVM 200C 25cc
asked on 2022-10-22
Hello Bernie, thank you for your question. Yes, the Piston kit 530071833 you had chosen is compatible with your model. Please feel free to give us a call. We look forward to hearing from you.
eReplacementParts Team October 22, 2022
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.
Hard starting, lack of power, adjusting carburetor made no difference.
Dean - July 17, 2016
👍 3 of 5 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Medium
Time
More than 2 hours
Tools Used
Pliers
1. Removed shrouds
2. Removed engine from trimmer mount
3. Removed cylinder from block
4. Removed retaining rings from piston, pushed piston pin out, removed piston.
5. Reversed above procedure installing new piston
6. Installed piston ring, oiled piston and ring, then slid cylinder over piston
7. Bolt cylinder down
8. Remove accessories from first cylinder and install on new cylinder
9. Reinstall engine on trimmer mount, reinstall shrouds
10. Start engine and adjust carburetor
2. Removed engine from trimmer mount
3. Removed cylinder from block
4. Removed retaining rings from piston, pushed piston pin out, removed piston.
5. Reversed above procedure installing new piston
6. Installed piston ring, oiled piston and ring, then slid cylinder over piston
7. Bolt cylinder down
8. Remove accessories from first cylinder and install on new cylinder
9. Reinstall engine on trimmer mount, reinstall shrouds
10. Start engine and adjust carburetor
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Low cylinder compression, carburetor fowling
Sean - August 31, 2022
Tool Type
Hedge Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Allen wrench and T-handle
I disassembled the outer plastic housing to gain access to the motor. Once I had access to the motor I performed the disassembly in the following order:
Removed the carburetor and spacer, held in with two screws. Removed and replaced paper gaskets.
Removed the exhaust and heat shield, held in with two screws. Replaced exhaust gasket
Removed the cylinder, held in with two machined screws. Replaced rubber base gasket
Removed piston assembly and ring.
Cleaned and checked the piston and cylinder bore for gouges. Removed and replaced cylinder ring.
Reassembled in reverse order.
Removed the carburetor and spacer, held in with two screws. Removed and replaced paper gaskets.
Removed the exhaust and heat shield, held in with two screws. Replaced exhaust gasket
Removed the cylinder, held in with two machined screws. Replaced rubber base gasket
Removed piston assembly and ring.
Cleaned and checked the piston and cylinder bore for gouges. Removed and replaced cylinder ring.
Reassembled in reverse order.
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running without mix fuel
matsuda - May 20, 2021
Tool Type
Blower
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Socket set, 6mm -1,oo Tap 5mm-0,8tap
Parts Used
Set out cylinder and piston get parts from you, but no thread at the cylinder I bout Tap set ,
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Low compression
Danny - May 14, 2020
Tool Type
Trimmer
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Allen and torch wrenches
Parts Used
Removed old cylinder and piston. Replaced with new parts. Reassembled. Runs great.
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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.
