This replacement piston ring is a high quality item that is sourced from original equipment manufacturer for use on Craftsman gas powered lawn and garden equipment. A worn or broken piston ring will allow combustion gases to escape the seal and enter the crankcase causing low compression and the loss of power. If compression is reduced significantly, the engine will not be able to run at all. Please note one durable metal piston ring is included per order requiring a wrench set and pliers to complete the repair.
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★★★★★
★★★★★
working great
the blower works great but the MAIL WAS SLOW
Guest - June 13, 2019
Verified Purchase
★★★★★
★★★★★
Ring replacement
Worked perfect
Richard - December 4, 2019
Verified Purchase
★★★★★
★★★★★
Good help on phone service and delivery was as quoted .
Part was great, worked temporarily, but gas connection broke off during final installation and had to reorder. Waiting for delivery of replacement .
Guest - December 12, 2019
Verified Purchase
★★★★★
★★★★★
worked great
small 2 stroke blower needed a piston ring i got the right part from you, thank you.
Pete - January 10, 2020
Verified Purchase
★★★★★
★★★★★
repair for Poulan leaf blower
The parts i purchases worked very well and got my leaf blower going again.
Guest - June 3, 2021
Verified Purchase
★★★★★
★★★★★
difficult repair
The ring was for a different model blower. It had the same inner and outer diameter, but the thickness, or height, had to be reduced 0.28. I did not have a surface grinder, so I hand sanded the ring height to the proper measurement. It took about 2 hours. Then I increased the end gap to fit into the ring groove, missing the pin. (This model blower DOES NOT SELL pistons and rings for it!) Just an expensive engine block assembly.
William - December 22, 2021
Verified Purchase
★★★★★
★★★★★
Proper Part
The replacement piston ring took weeks to arrive, but email updates kept me apprised of the status. Mostly importantly it was the correct part and revived the old blower back to life, an inexpensive fix.
Guest - June 21, 2023
Verified Purchase
★★★★★
★★★★★
Part arrived in a timely manner, fit perfectly, machine is back up and running.
Very happy with the way it arrived and fit
Robert Nutter - June 21, 2023
Verified Purchase
★★★★★
★★★★★
Broke quite easily during installation
The part arrived in proper condition but broke wile being installed. Quite a fragile piston ring.
Guest - October 31, 2022
Verified Purchase
October 31, 2022
Hi Carl,
Thank you for your review. Please accept our apologies for this situation. We will be in touch with you shortly regarding your order.
★★★★★
★★★★★
Piston ring
ordered this ring on May 3rd 2023 received on Jun 16th way to long we will no longer be ordering from your business
Guest - June 25, 2023
Verified Purchase
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Disassemble blower, engine, and remove stuck ring. Reinstall new ring,reassemble all in reverse order.
The most difficult job was removing the stuck ring.
Remove air filter.
Remove plastic engine cover and disconnect spark plug wire.
Remove carburetor.
You can leave the fuel hoses connected, just swing carb to the side.
Remove exhaust header by removing two torx screws.
Remove two cylinder Allen head bolts. In my case one had backed all the way out.
Lift
... Read more cylinder head straight up. At that time you can see the piston.
Replace the head gasket (small o-ring type).
Remove old piston ring and clean ring groove with rag and something like brake cleaner.
Carefully expand the new piston ring and begin fitting it into the groove. For my Poulan leaf blower there\'s a small pin in the ring groove. The split will need to fit onto one of these pins. You\'ll also note that the end of the piston ring is slightly rounded on the bottom. That rounded portion fits over the pin. To verify its on correctly, compress the ring and ensure it will compress to the size of the piston.
After the ring is correctly installed on the piston and head o-ring is in place, place some oil on the ring and bottom of the cylinder. This will aid in inserting the piston back into the cylinder head.
Hold the piston up as high as possible with two fingers, and begin pushing the cylinder down onto the piston. Using a slight side to side motion the cylinder should slide down over the piston. Don\'t force it. If it doesn\'t slide on with some moderate pressure stop and check to ensure you have the ring on properly.
Another option si to remove the piston and piston rod. This is easily done by remove a plastic cover with two torx screws on the outside of the engine. With that remove the piston rod will slide off of the engine shaft. This will allow you to flip the cylinder upside down and insert the piston. In this position, it\'s easier to compress the ring with your fingers or a plastic screw driver (don\'t scratch anything).
When it\'s on, put everything back together in reverse order of above.
1. Removed the plastic housing and the fuel tank.
2. Removed the carb assembly.
3. Removed the exhaust unit.
4. Removed the crankcase side cover.
5. Removed the ignition plug wire
6. Removed the cylinder unit.
7. Removed the piston assembly.
8. Removed the damaged piston ring.
9. Cleaned th
... Read moree piston ring groove and the piston unit.
10. Inspected and cleaned all components.
11. Assembled the complete blower in reverse order.
12. Put in fresh fuel and successfully tested the blower.
Sears 25cc blower had a clogged piston/ring. Burnt oily/varnishy deposits Ring broke on disassembly, after cleaning the piston, new ring installed easily. New head seal fit correctly. This machine was free, who knows how it was treated. Runs well now!
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It would not start. The piston wring was burned and compressed inside the groove
I purchased the blower at an auction. Did not know why it wouldnGÇÖt start so I took it apart and saw that the piston wring was burned and compressed inside the piston groove. ThatGÇÖs why it had no compression. So I replaced the ring and gaskets, put it back together and it ran great.
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Chainsaw was difficult to start especially when hot.
eReplacement has the inventory of replacement parts at a very reasonable price with fast delivery. I needed a piston ring for a Craftsman chainsaw no longer supported by Sears. eReplacement had the part (<$4). Within a week my chainsaw was back in action.
After a few years my chainsaw was difficult to start especially when
... Read more hot. Disassembly was relatively easy using tools made for hex and star shaped screws. After removing the cylinder head (access the 2 hex screws through the holes with an Allen wrench) and slipping the connecting rod off the crank, I found the ring compressed by heavy carbon deposits. Heavy carbon deposits on the piston and head walls were removed using a Scotch-Brite pad. Soaking the piston/ring in Marvel Mystery oil released the ring from the piston groove. After installing the new ring (making certain the ring split was positioned to the intake side) and reassembly, the old chainsaw runs like new.
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Blower would not start after being unused over winter
1. Watched several YouTube videos on fixing this problem and started by partially removing the blower case.
2. I replaced the carburetor and checked the spark (good) - still not starting
3. I removed the muffler to check for spark screen blockage, carbon buildup between engine and muffler, and to inspect the piston/ring. I t
... Read moreried starting it in this condition - still not starting
4. I finally decided that the piston ring might be stuck. I removed the cylinder and the crankcase cover, pulled the piston and rod off the crank shaft, and verified the ring was stuck in the grove with carbon.
5. I tried to free the ring with a utility knife cutting around the ring/grove but I broke the ring when trying to pry it out. Should have spent more time trying to free it.
6. I ordered a replacement ring and spare (in case I broke the first one installing it) and some case screws which missing from ereplacementparts.com.
7. After the parts arrived I sprayed the piston with lubricant and slid the new ring into place. I then sprayed the inside of the cylinder and rod\'s crank bearing with lubricant and reassembled the engine.
8. I reinstalled the blower\'s case, added fuel, and got it to start.
Success! This was my first time doing repair work on a small engine and ereplacementparts.com had what I needed and the order turn around time/price was good.
1. Disconnected spark plug.
2. Removed both side housings (impeller must be removed too).
3. Removed ignition module & flywheel.
4. Removed carbuerator & muffler.
5. Removed cylinder wall housing.
6. Removed PISTON RING and gently scraped RinG groove clean.
7. Installed NEW PISTON RING into groove.
... Read more/>8. Oil piston & cylinder wall (2 cycle) then gently compress back into cylinder.
9. Install cylinder bolts (use thread locker BLUE) if not new bolts.
10. Install muffler & carbuerator.
11. Install NEW FLYWHEEL (my key groove was worn).
12. Put NEW IGNITION MODULE (my plug wire was shorted out) in place *with folded piece printer paper as approximate ignition gap*.
13. Verified flywheel turned full revolution without magnet sticking to module & that the paper was able to slide thru fully FREELY.
14. PERFORMED CLOSE INSPECTION of all bolts tight and secure, all seals & gaskets good & reinstalled.
15. Installed both sides of housing, be sure \"fingers\" on flywheel engage to recoil rope & spacer put back.
16. Reconnected Spark Plug wire to spark plug.
17. Verified FRESH 40:1 2 cycle mix, air filter clean and approximately 1-2 drops 2 cycle oil squeezed thoroughly within air filter sponge.
18. Turned on choke, pressed primer bulb 3-5 times until fuel mix present.
19. Without touching trigger pulled starter & started after 3 pulls.
20. Let idle about 30 seconds then squeezed trigger, choke automatically shifted to OFF position & continued to run smoothly.
21. Went outside began blowing leaves & ran perfect until out of fuel (did on purpose).
22. Refueled and no prime or choke started after 5 pulls!
(Was testing - Poulan has some problems unable to restart after warmed up).
-replaced flywheel, ignition module, piston ring-
--poulan pro pb200vs
--40:1 fuel/oil mix
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Model Cross Reference
This part works with the following models:
ERP Number: ERP16365562
Manufacturer Part Number: 545154009
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
