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  640841008 Cylinder, 30cc

Cylinder,​ 30cc 640841008

OEM part for: Ryobi, Homelite, Ridgid

Part Number: 640841008


Install
Videos!
Grid squares measure 1x1 inch
$43.46
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Easy 30-60 minutes (1 rated repairs)?
OEM: Original Equipment Manufacturer ?
RyobiHomeliteRidgid
Does this d-block d-md-none fit my product?

Product Description ?

This is an authentic replacement part, sourced from the original manufacturer for use with trimmers, pruners, blowers, and generators. The metal cylinder is one of the main components of the motor and is used to house the cylinder and provide a chamber for combustion. This item is available as an individual replacement part.

  • Classification: Part
  • Weight: 0.78 lbs.
  • Shipping: Ships Worldwide

Compatibility

This part will fit the following 73 machines

Ryobi

CS30 (RY30000) 30cc String Trimmer View Diagrams & Manuals
RY30000B 30cc String Trimmer View Diagrams & Manuals
SS30 (RY30002) 30cc String Trimmer View Diagrams & Manuals
SS30 (RY30002A) 30cc String Trimmer View Diagrams & Manuals
RY30002B 30cc String Trimmer View Diagrams & Manuals
BC30 (RY30004) 30cc Brushcutter View Diagrams & Manuals
BC30 (RY30004A) 30cc Brushcutter View Diagrams & Manuals
RY30004B 30cc Brushcutter View Diagrams & Manuals
RY30004D 30cc Brushcutter View Diagrams & Manuals
RY30020 30cc Curved Shaft String Trimmer View Diagrams & Manuals
RY30020A 30cc String Trimmer View Diagrams & Manuals
RY30020B 30cc String Trimmer View Diagrams & Manuals
CS30 (RY30021A) 30cc String Trimmer View Diagrams & Manuals
RY30023 30cc Curved Shaft String Trimmer View Diagrams & Manuals
SS30 (RY30040) 30cc Straight Shaft String Trimmer View Diagrams & Manuals
RY30040A 30cc String Trimmer View Diagrams & Manuals
RY30040B 30cc String Trimmer View Diagrams & Manuals
SS30 (RY30041A) 30cc String Trimmer View Diagrams & Manuals
SS30 (RY30043) 30cc Straight Shaft String Trimmer View Diagrams & Manuals
RY30060A 30cc Brushcutter View Diagrams & Manuals
RY30060B 30cc Brushcutter View Diagrams & Manuals
BC30 (RY30061A) 30cc Brushcutter View Diagrams & Manuals
RY30063 30cc Brushcutter View Diagrams & Manuals
RY52001 Pruner / Trimmer View Diagrams & Manuals
RY52002 Pruner / Trimmer View Diagrams & Manuals
RY52003 Gas Pruner View Diagrams & Manuals
RY52003A Gas Pruner View Diagrams & Manuals
RY52004 30cc Gas Pruner View Diagrams & Manuals
RY70101 Curved Shaft Trimmer View Diagrams & Manuals
RY70101A Curved Shaft Trimmer View Diagrams & Manuals
RY70103 Curved Shaft Trimmer View Diagrams & Manuals
RY70103A Curved Shaft Trimmer View Diagrams & Manuals
RY70105 Straight Shaft Trimmer View Diagrams & Manuals
RY70105A Straight Shaft Trimmer View Diagrams & Manuals
RY70107 Straight Shaft Trimmer View Diagrams & Manuals
RY70107A Straight Shaft Trimmer View Diagrams & Manuals
RY70113 Curved Split Shaft Trimmer View Diagrams & Manuals
RY30060 30cc Brushcutter View Diagrams & Manuals
RY30000 RY30000 30CC String Trimmer View Diagrams & Manuals
RY30000A RY30000A 30CC String Trimmer View Diagrams & Manuals
RY30002 RY30002 30CC String Trimmer View Diagrams & Manuals
RY30002A RY30002A 30CC String Trimmer View Diagrams & Manuals
RY30004 RY30004 30CC Brushcutter View Diagrams & Manuals
RY30004A RY30004A 30CC Brushcutter View Diagrams & Manuals
RY30021A RY30021A 30CC String Trimmer View Diagrams & Manuals
RY30041A RY30041A 30CC String Trimmer View Diagrams & Manuals
RY30061A RY30061A 30CC Brushcutter View Diagrams & Manuals
RY52004 (TP30) 30cc Gas Pruner View Diagrams & Manuals
RY52003A (TP30) Gas Pruner View Diagrams & Manuals
RY52001 (PC30) Pruner/Trimmer View Diagrams & Manuals
RY52003 (TP30) Gas Pruner View Diagrams & Manuals
RY52002 (PC30) Pruner/Trimmer View Diagrams & Manuals

Homelite

UT-08120-B Blower View Diagrams & Manuals
UT08934 Blower View Diagrams & Manuals
UT08934B Blower View Diagrams & Manuals
UT08934D Blower View Diagrams & Manuals
UT-08121 Backpack Blower View Diagrams & Manuals
UT-08120-D Blower View Diagrams & Manuals
UT-08931 Blower View Diagrams & Manuals
UT08510 (Yard Broom II) Blower View Diagrams & Manuals
UT08511 (Yard Broom II) Blower View Diagrams & Manuals
UT08929A (Yard Sweeper) Blower View Diagrams & Manuals
UT08930A (Yard Sweeper Vac) Blower View Diagrams & Manuals
UT08932 Blower View Diagrams & Manuals
UT70127 Straight Shaft Trimmer View Diagrams & Manuals
UT70127A Straight Shaft Trimmer View Diagrams & Manuals
UT70129 Straight Shaft Trimmer View Diagrams & Manuals
UT70129A Straight Shaft Trimmer View Diagrams & Manuals
UT-08929-A Yard Sweeper Blower View Diagrams & Manuals
UT-08930-A Yard Sweeper Vac Blower View Diagrams & Manuals

Ridgid

RD906812 6,800 Watt Generator View Diagrams & Manuals
RD906812A Generator View Diagrams & Manuals
RD906812B Generator View Diagrams & Manuals
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This item works with the following types of products:

  • Trimmer Parts
  • Pruner Parts
  • Blower Parts
  • Generator Parts

This part replaces obsolete part #: 985524002, 570358054, 6457007, PS02128

Questions & Answers ?

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Questions & Answers for Cylinder,​ 30cc


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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.

Easy 30-60 minutes (1 rated repairs)?

Piston froze in cylinder

Preston - June 22, 2019
Tool Type

Trimmer

Difficulty

Easy

Time

30-60 minutes

Tools Used

Socket set, Wrench Set, Nutdriver

10 year old Ryobi
Took engine off from unit
2 Cleaned unit and engine
3 Freed piston from cylinder
4.Removed cylinder from unit and piston
5.Check wear and connecting rod , crank
6.Removed piston rings from connecting rod and installed new piston rings
7.Installed cylinder engine base and reassembled, tested .
Did you find this story helpful?
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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.

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