I have a 10 year old Deluxe 24 (921024, serial number in the 150000 plus group) and according to the service manual, its spart plug is Ariens part number 21547400. Does anyone know which compatible Champion or NGK plug I can use? My google skills are failing me. Thanks.
JTD771
Is there (3) zeros at the end of the part number that you typed? I see this one, not Champion or NGK but Ariens OEM and there are only (2) zeros listed in the number:
Amazon.com : Ariens Plug- Spark Part # 21547400 : Patio, Lawn & Garden
Amazon.com : Ariens Plug- Spark Part # 21547400 : Patio, Lawn & Garden
www.amazon.com
Interesting.... When I plug in your model number and serial number (I used 150001 as the serial number) into the Ariens site:
www.ariens.com
It points me to the PDF that I've attached. On page 7, it says your engine is an 08201024 - AX 254cc:
![Image]()
When I search for 08201024, the spark plug listed for it is Ariens p/n 20001113 which cross-references to Torch F6RTP, where the P is for Platinum.
The ceramic equivalent would be F6RTC, which cross-references to good old NGK BPR6ES.
I'll take the NGK any day over any Torch plug. In fact, the NGK gets the call for pretty much any clone engine that ends up in my hands.
Operator's Manuals - Ariens
If you misplaced your Ariens lawn mower or snow blower manual, You can download a copy here.
www.ariens.com
It points me to the PDF that I've attached. On page 7, it says your engine is an 08201024 - AX 254cc:
When I search for 08201024, the spark plug listed for it is Ariens p/n 20001113 which cross-references to Torch F6RTP, where the P is for Platinum.
The ceramic equivalent would be F6RTC, which cross-references to good old NGK BPR6ES.
I'll take the NGK any day over any Torch plug. In fact, the NGK gets the call for pretty much any clone engine that ends up in my hands.
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