Bolens String Trimmer Parts

Champion Spark Plug (RDJ7Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

Manufacturer #872

Two cycle engine carburetor. If the engine runs rough, the carburetor may be restricted. The carburetor can often be cleaned or rebuilt, but sometimes it may need to be replaced.

Genuine OEM Part - Manufacturer #753-06190

Small engine carburetor gasket. If the gasket is torn or damaged the engine may run rough.

Genuine OEM Part - Manufacturer #753-06253

Air filter

Genuine OEM Part - Manufacturer #753-06417

Fuel line. The fuel line allows fuel to travel from the fuel tank to the carburetor and from the primer bulb to the fuel system. If the fuel line is leaking, replace it.

Genuine OEM Part - Manufacturer #791-181086

Fuel filter & fuel line kit. If the fuel filter and fuel line are clogged, they will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

Genuine OEM Part - Manufacturer #791-682039

MTD Spark Plug (794-0055A)

Genuine OEM Part - Manufacturer #753-06847

Air filter

Genuine OEM Part - Manufacturer #753-06085

String trimmer bump knob assembly.

Genuine OEM Part - Manufacturer #791-153066B

On-Off Switch

Genuine OEM Part - Manufacturer #791-182405

Small engine primer bulb with hose, large diameter. If the engine does not start the primer bulb may be defective and unable to draw additional fuel in to the carburetor to assist with starting the engine.

Genuine OEM Part - Manufacturer #791-683974B

Zama carburetor rebuild/repair kit. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run rough. It is often possible to repair the carburetor if it is clogged.

Manufacturer #RB-29

Prior to rebuilding the carburetor, we recommend that you clean the carburetor's jets with carburetor cleaner.

Throttle trigger

Genuine OEM Part - Manufacturer #753-04119