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Hello Lawn Mower Forum. - Is there any chance of some help and/or advice please ? I have owned a Scag ride-on mower for 22 years and about 10 years ago the Warner Electric electro-magnetic clutch failed. I replaced it with an identical clutch. The original had the identification details as can be seen in the attached image i.e. CMSS-175 5218-3 and the replacement, which has also just failed, has similar data on the casing.
I suspect that the original clutch is no longer available and so I have messaged Warner Electric twice asking them if there is a modern-day equivalent but to no avail. They haven't answered my email or message. I have also emailed 4 concerns in the U.K. who are Warner distributors and only one has responded. I can see what look like almost identical clutches available from various sources - Amazon, eBay, etc but none have the identical numbers.

My question is : Would anyone be able to help me with finding an identical clutch to my original even if it might have different numbers on the casing ?
Thanks in advance for those who are able to help me.

You multiple choices in US but don't know about the UK.

According to the US site it is still available.

Xtreme has it under


Stens has it under (Note this include my dealer cost.)


And even Ox Clutch has it


On Amazon you need to search using the SCAG 481228 part number. Just note some are listing Warner 5218-62 or 5218-36 as a possible but they are a reversed layout.

Buy the Xtreme clutch it is head and shoulders above the rest. Have been using them for years and have yet to replace one. Usually about half price OEMs.

StarTech said:

You multiple choices in US but don't know about the UK.

According to the US site it is still available.
View attachment 69989
Xtreme has it under
View attachment 69990

Stens has it under (Note this include my dealer cost.)
View attachment 69991

And even Ox Clutch has it
View attachment 69992

On Amazon you need to search using the SCAG 481228 part number. Just note some are listing Warner 5218-62 or 5218-36 as a possible but they are a reversed layout.
View attachment 69993

Click to expand...

Thank you for all that information, very helpful and much appreciated. I just wonder if the other info. on the old clutch (i.e. CMSS-175) is relevant at all ?

hlw49 said:

Buy the Xtreme clutch it is head and shoulders above the rest. Have been using them for years and have yet to replace one. Usually about half price OEMs.

Click to expand...

That advice is very much appreciated. Thank you. I need to find it in the U.K. if I can but you have been very helpful and thank you.

YW