The piston ring is made out of metal. This is a genuine replacement part used in compatible blowers, cultivators, edgers, trimmers, and vacuums made by Ryobi, Troy-Bilt, Yard Man, Bolens, MTD, and Yard Machines. A set of pliers might be required during the replacement of this part. It may become bent or broken and will need to be replaced. This is sold as a set of two rings.
| Brand | Model Number | Description |
|---|---|---|
| Yard Man | 121R | Tiller - Yard-Man Tiller |
| Yard Man | 122R | Tiller - Yard-Man Tiller |
| Ryobi | 21A-121R034 | Tiller - Outdoor Tiller |
| Yard Machines | 21A-121R129 | Tiller - Yard Machines Tiller Model 21A-121R129 (21A121R129, 21A 121R129) Parts |
| MTD | 21A-121R700 | Tiller - MTD Tiller Model 21A-121R700 (21A121R700, 21A 121R700) Parts |
| MTD | 21A-121R900 | Tiller - MTD Tiller Model 21A-121R900 (21A121R900, 21A 121R900) Parts |
| MTD | 21A-121R965 | Tiller - MTD Tiller Model 21A-121R965 (21A121R965, 21A 121R965) Parts |
| MTD | 21AB122R901 | Tiller - MTD Tiller Model 21AB122R901 Parts |
| MTD | 21AK410G034 | Tiller - MTD Tiller Model 21AK410G034 Parts |
| Bolens | 21AK410G163 | Cultivator - Cultivator |
| MTD | 21AS122R799 | Tiller - MTD Tiller Model 21AS122R799 Parts |
| MTD | 21B-120R000 | Tiller - MTD Tiller Model 21B-120R000 (21B120R000, 21B 120R000) Parts |
| MTD | 21B-121R765 | Tiller - MTD Tiller Model 21B-121R765 (21B121R765, 21B 121R765) Parts |
| Bolens | 21BK410G163 | Cultivator - Cultivator |
| MTD | 21BS122R799 | Tiller - MTD Tiller Model 21BS122R799 Parts |
| MTD | 21C-120R000 | Tiller - MTD Tiller Model 21C-120R000 (21C120R000, 21C 120R000) Parts |
| MTD | 21CK410G034 | Tiller - MTD Tiller Model 21CK410G034 Parts |
| MTD | 21CS122R799 | Tiller - MTD Tiller Model 21CS122R799 Parts |
| MTD | 21DK410G034 | Tiller - MTD Tiller Model 21DK410G034 Parts |
| MTD | 21DS122R799 | Tiller - MTD Tiller Model 21DS122R799 Parts |
| MTD | 21EK410G034 | Tiller - MTD Tiller Model 21EK410G034 Parts |
| MTD | 21ES122R799 | Tiller - MTD Tiller Model 21ES122R799 Parts |
| MTD | 21FK410G034 | Tiller - MTD Tiller Model 21FK410G034 Parts |
| Craftsman | 247292560 | Cultivator - Cultivator |
| Yard Machines | 2800MVP | Trimmer - Yard Machines String Trimmer Model 2800MVP Parts |
| Ryobi | 2800R | Trimmer - Trimmer |
| Ryobi | 280r | Leaf Blower / Vacuum - Handheld Blower |
| Craftsman | 29256 | Cultivator - Cultivator |
| Yard Machines | 3100M | Trimmer - Yard Machines String Trimmer Model 3100M Parts |
| Ryobi | 310BVr | Leaf Blower / Vacuum - Handheld Blower/Vacuum |
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.
