What spark plug does my push mower take?
Lawnmower engines usually use smaller thread sizes as compared to automobile engines. Most automobile engines use spark plugs with a thread size of about 14mm, whereas most lawn mower engines use spark plugs with a thread size of about 10 to 12mm.
Are push mower spark plugs universal?
Spark plugs aren’t universal; you have to make sure that you buy one that fits your mower. You can consult your owners’ manual to determine the types your lawn mower can use or take a look at the plug’s ceramic insulator, which usually has the number printed on it.
Are all push mower spark plugs the same?
No, every lawnmower has a specific spark plug for its engine. And, each engine has a unique engine model number, which determines the compatibility of a spark plug. Unless the spark plug fits the engine, you can’t get enough support for the engine. An incorrectly installed spark plug may damage or cause engine failure.
What size is a push mower spark plug?
Standard Lawn Mower Spark Plug Sizes (with Chart)
| Thread Measurements | Pitch | Diameter |
|---|---|---|
| Push Mower Spark Plugs | 1-1.5mm | 10-12mm |
| Riding Mower Spark Plugs | 1-1.5mm | 12-14mm |
What spark plugs should I get?
There are two basic types of spark plugs on the market: your basic copper-tipped plugs, which can last up to 30,000 miles and long-life platinum and iridium-tipped plugs which have a life expectancy of up to 100,000 miles. Recommended replacement intervals vary by manufacturer and should always be followed.
What is the right spark plug for a Briggs and Stratton engine?
Flathead Engine Spark Plugs & Gaps
| Replacement Part Type | Briggs & Stratton Spark Plug Part Number | Spark Plug Gap |
|---|---|---|
| Electromagnetic Suppression (EMS) (Replaces Champion QC12YC) | 691043 792015 | .030” |
| Extended Life Series® OHV Spark Plug Platinum (Replaces Champion RC12YC) | 696202 5066 (5066D, 5066H) | .030” |