Easy
Less than 15 minutes
This is a genuine replacement part which is sourced directly from the original equipment manufacturer for use with Ryobi lawn mowers. The key is inserted into the switch to start the unit. This is a safety feature for unauthorized use of the mower. It provides a high-quality replacement for a faulty or a missing component that was included with a new unit. Refer to the owners manual of your model for the correct application. One durable plastic start key is included.
Start Key 311280001
OEM part for: Ryobi, Homelite
Part Number: 311280001
$3.99
In Stock
Order within the next 5 hours and your part ships today! 
Compatibility
This part will fit the following 17 machines
Ryobi
RY40108 40 Volt Lawn Mower View Diagrams & Manuals
RY40104 40 Volt Lawn Mower View Diagrams & Manuals
P1100 (107178001) 18 Volt Lawn Mower View Diagrams & Manuals
RY40109 (107299013) 20-Inch 40 Volt Lawn Mower View Diagrams & Manuals
RY40109 (107299004) 20-Inch 40 Volt Lawn Mower View Diagrams & Manuals
RY40109 (107299007) 20-Inch 40 Volt Lawn Mower View Diagrams & Manuals
P1100 (107178003) 18 Volt Lawn Mower View Diagrams & Manuals
RY40109 (107299001) 20-Inch 40 Volt Lawn Mower View Diagrams & Manuals
P1100 (107178002) 18 Volt Lawn Mower View Diagrams & Manuals
P1108VNM P1108vnm 18 Volt 13 In. Lawn Mower Mfg. No. 108625001 1-5-21 (Rev:02) View Diagrams & Manuals
P1109VNM P1109vnm 18 Volt 16 In. Lawn Mower Mfg. No. 108626001 1-5-21 (Rev:02) View Diagrams & Manuals
RY401010 Ry401010 40 Volt Lawn Mower Mfg. No. 107202001 3-14-21 (Rev:02) View Diagrams & Manuals
RY401010VNM Ry401010vnm 40 Volt Lawn Mower Mfg. No. 107202101 3-14-21 (Rev:02) View Diagrams & Manuals
Homelite
RY40108 (Rev02)(107813005)(5-21-18) 40 Volt Lawn Mower(Rev:02) View Diagrams & Manuals
RY40108 (Rev10)(107813001)(5-21-18) 40 Volt Lawn Mower (Rev:10) View Diagrams & Manuals
RY40109 (Rev06)(107299001)(5-23-18) 20 In. 40 Volt Lawn Mower (Rev:06) View Diagrams & Manuals
RY40109 (Rev03)(107299004)(5-23-18) 20 In. 40 Volt Lawn Mower(Rev:03) View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
Customer Part Reviews ?
Average Rating (out of 5):
Click to filter by ratings:
5 stars
7
4 stars
0
3 stars
0
2 stars
0
1 stars
0
< PREV
- 1
Perfect part,exact fit,worked as expected
The key arrived in a timely manner arrived in perfect condition, very pleased with everything and will and do recommend replacement parts.com
Robert -
2 days ago
Verified Purchase
Lawn mower key
No problems and received the parta quickly.
Guest -
June 15, 2023
Verified Purchase
Easy repair and a great fit
The part ordered arrived quickly and in perfect condition, lawn Moore is now working! Good to know that I can find these tough to find items at the ereplaceparts. Will use you again in the future I’m sure.
Guest -
December 17, 2022
Verified Purchase
GREAT
What you need, When you need it. Thanks
Guest -
November 2, 2022
Verified Purchase
Perfect
Plugged right in and started right up no problems. Highly recommended
Guest -
May 18, 2021
Verified Purchase
Worked perfectly
This replacement part saved by butt and I am very thankful that it came so quickly and worked so easily. Thank you!
Guest -
June 8, 2020
Verified Purchase
Replace part
It worked just as it was the original one and the cost was very reasonable. I received it within 5 business days
Guest -
June 3, 2019
Verified Purchase
t
t
t -
t days ago
Verified Purchase
eReplacementParts Team
t
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
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.
Does this fit my product?Questions & Answers for Start Key
I need key red one but a clearance lawnmower
Flavio
for model number P1109vnm
asked on 2022-09-19
Hello Flavio, Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is Part Number:311280001. We hope this helps, good luck with this repair!
eReplacementParts Team September 19, 2022
Is this the correct key to start mower?
Kathleen
for model number p1104
asked on 2022-07-15
Hello Kathleen, Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is Part Number: 996626001. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team July 15, 2022
Will this key work for my model lawn mower?
Linda
for model number RY401011
asked on 2022-05-20
Hello Linda, thank you for writing. No, the correct number is 205279001 that is compatible with your model. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you.
eReplacementParts Team May 20, 2022
Will the mower be damaged if run when key is missing?
Adele
asked on 2022-05-19
Hello Adele, Thank you for the question. Running the mower without the key should not cause damage to the mower. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team May 19, 2022
When our key came out a spring and a small piece of metal, maybe a fuse?, were loose. Now the key works fine and the lawn mower works. Is the key broken?
Adele
asked on 2022-05-19
Hello Adele, Thank you for the question. I the Key and Mower works fine, it should not be damaged or broken. Please submit a new question if you have any follow ups. We are looking forward to hearing from you!
eReplacementParts Team May 19, 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.
Starter key was lost
Timothy - August 20, 2017
👍 2 of 2 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Installed starter key
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Nothing
Roxann - September 26, 2021
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, None
Parts Used
Plugged it in
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Missing lawn mower start key
Ivan - July 6, 2018
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, No tools required
Parts Used
Inserted start key into the slot.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Lost the key to start my lawn mower.
Linda - June 9, 2018
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Bought a new key.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
No key
Tamara - June 7, 2018
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Husband lost the key to our battery operated lawn mower. Order 3 not really sure they would work. Like a charm. Grass can now be cut
Did you find this story helpful?
Thanks for voting and helping fellow customers!
I lost the key
Mary - November 15, 2017
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Just put the key in where it goes and it started right up!
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Lost the key to the lawnmower.
Leo - September 24, 2017
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Purchased the key and started right up.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
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.
