Small Engine
Briggs & Stratton 500e Series
4-Stroke
ℹ See also: 450e Series, 550ex Series, 625ex Series, 675ex Series — parts are often interchangeable within this family.
Spark Plug
OEM796112S(0.030" gap)Powers entry-level push mowers including Murray, MTD, and Craftsman walk-behind mowers with 125cc engines
| Brand | Part # | |
|---|---|---|
| Champion | RC12YC | Buy on Amazon → |
| NGK | BPR5ES | Buy on Amazon → |
Air Filter
OEM593260Paper cartridge element; replaces 798452 and 334404. Fits 09P602 and 09P702 series engines. Pre-cleaner foam sold separately.
| Brand | Part # | |
|---|---|---|
| Stens | 100-959 | Buy on Amazon → |
Carburetor
OEM593261For 09P602 series 125cc engines. Superseded by 84001982. Also replaces 591160, 591979, 595656. Float-type with primer bulb.
| Brand | Part # | |
|---|---|---|
| Briggs & Stratton | 799583 | Buy on Amazon → |
Primer Bulb
OEM694394Fits all 450–675 series Briggs & Stratton small engines. DIY packaged version is 5084K.
| Brand | Part # | |
|---|---|---|
| Stens | 120-730 | Buy on Amazon → |
Fuel Filter
OEM298090S150-micron inline fuel filter for 1/4" fuel line; for engines without a fuel pump. DIY packaged version is 5018K.
| Brand | Part # | |
|---|---|---|
| Stens | 120-436 | Buy on Amazon → |