Jump to:
This authentic manufacturer-approved component which is specially designed for use with handheld lawn and garden equipment. The purpose of this o-ring is to provide an air-tight seal between connected parts, unfortunately, over time it may wear out and begin to crack eventually requiring a replacement. Please make sure to check appropriate diagrams of your model for the correct location and application of this o-ring. Keep in mind this high-quality item is made of durable rubber and is sold individually.
Our customer Service team is at the ready daily to answer your part and product questions.
We're sorry, but our Q&A experts are temporarily unavailable.
Please check back later if you still haven't found the answer you need.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Trimmer O-ring leaking
Robert from lutz, Florida
Dog ear had snapped off, oring had failed.
John from Broken Arrow, Oklahoma
Changed out the short block. I broke a piston ring.
Randy from Kansas City , Missouri
Cover had hole in it o ring broken had no compression
Robert from Mishawaka, Indiana
trimmer stalled would not start
Michael from NORTHFIELD, Ohio
Rear cover broke
Daphne from Lexington, Kentucky
Starter cover assembly broken
Charles from Frisco, Texas
Bolt broken off and engine O ring blown
Steven from Tulsa, Oklahoma
Broken a ring and housing
james from Struthers, Ohio
Blown o-ring seal; lost compression.
Scot from Lawrenceville, Georgia
| Brand | Model Number | Description |
|---|---|---|
| Troy-Bilt | 1154399 | Trimmer - 1154399 - Trimmers |
| Troy-Bilt | 1157403 | Trimmer - 1157403 - Trimmers |
| MTD | 21AK125G799 | Tiller - MTD Tiller Model 21AK125G799 Parts |
| MTD | 21AK125G800 | Tiller - MTD Tiller Model 21AK125G800 Parts |
| MTD | 21AK125G900 | Tiller - MTD Tiller Model 21AK125G900 Parts |
| MTD | 21AK125G965 | Tiller - MTD Tiller Model 21AK125G965 Parts |
| MTD | 21AK125G983 | Tiller - MTD Tiller Model 21AK125G983 Parts |
| MTD | 21AKC25C793 | Cultivator - Farming |
| MTD | 21BK125G983 | Cultivator - Farming |
| Craftsman | 316240320 | Tiller - Tiller |
| Craftsman | 316711020 | Trimmer - Trimmer |
| Craftsman | 316711021 | Trimmer - Trimmer |
| Craftsman | 316711022 | Trimmer - Trimmer |
| Craftsman | 316711023 | Trimmer - Weedwacker Gas Trimmer |
| Craftsman | 316711190 | Trimmer - Trimmer |
| Craftsman | 316711191 | Trimmer - Trimmer |
| Craftsman | 316711192 | Trimmer - Trimmer |
| Craftsman | 316711193 | Trimmer - Line Trimmers/Weedwackers, Gas |
| Craftsman | 316711370 | Trimmer - Trimmer |
| Craftsman | 316711390 | Trimmer - Trimmer |
| Craftsman | 316711470 | Trimmer - Trimmer |
| Craftsman | 316711471 | Trimmer - Trimmer |
| Craftsman | 316740820 | Trimmer - Trimmer |
| Craftsman | 316740890 | Trimmer - Trimmer |
| Craftsman | 31679102 | Trimmer - Craftsman String Trimmer Model 316.79102 (31679102, 316 79102) Parts |
| Craftsman | 316791020 | Trimmer - Trimmer |
| Craftsman | 316791160 | Trimmer - Trimmer |
| Craftsman | 316794370 | Trimmer - Trimmer |
| Craftsman | 316794371 | Trimmer - Trimmer |
| Craftsman | 316794450 | Trimmer - Trimmer |
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.
