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TST-218 Tanaka Trimmer - Overview

Diagrams for TST-218

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Return Grommet – Part Number: 6697846
No Longer Available
Return Grommet
Part #6697846
This individually sold grommet is a genuine OEM part and is used for a variety of different small engine/outdoor lawn equipment. The return fuel line from the carburetor is installed through this grommet, which creates a seal to prevent future leaks and ignition issues. Over time and through exposure to fuel, the grommet can wear down, leading to cracks, tears, and missing pieces. If you notice fuel is leaking during operation, or are having issues with starting the engine, this grommet may be the cause. Depending on your model, installing the return line in the grommet and then installing both together in the fuel tank may be easiest, rather than installing them separately.
Primer Bulb – Part Number: 6684689
No Longer Available
Primer Bulb
Part #6684689
Also known as a priming bulb, this OEM replacement part is an individually sold rubber primer bulb. Since it is made of rubber, it will eventually lose its elasticity and crack or break,and need replacing. It is designed for use with a variety of different small engine equipment and is also known as a purge bulb. Pressing this primer bulb forces fuel through the fuel line and into the carburetor from the fuel tank. Once the carburetor is has a sufficient level of fuel, any excess fuel will be forced back into the fuel tank through the return line attached to the carburetor. If your primer bulb has a darker appearance or has lost its elasticity and does not return to its original shape, it means the rubber will likely soon crack, which will lead to fuel leaking into the engine and ignition system. To replace your primer bulb, simply remove the outside cover and primer bulb cover and replace the bulb within its housing.
Pump Filter Body – Part Number: 66A3864
No Longer Available
Pump Filter Body
Part #66A3864
This is a genuine OEM replacement part, it is sold individually. The Fuel Filter is inside of the fuel tank. Its purpose is to filter out dirt and other debris from contaminating the carburetor. It will at sometime become clogged and restrict the fuel getting to the carburetor,and will have to be replaced. We do have an article and video on How to Replace the Fuel Filters in Your Outdoor Power Equipment.. You can see this by going to the front page of our site and clicking on Repair Center.
Clip 6.3 – Part Number: 6684619
No Longer Available
Clip 6.3
Part #6684619
This item has been OEM sourced to ensure a high level of quality. The clip is intended to be used with trimmers and blowers from Hitachi and Tanaka. The metal clip is part of the fuel system. The clip is used to fasten the fuel filter and the fuel line assembly. This part is priced as an individual replacement part.
Spark Plug Bm6A – Part Number: 6699324
$5.47
Special Order
Spark Plug Bm6A
Part #6699324
This authentic OEM replacement spark plug is specifically designed for use with Tanaka power equipment and is sourced directly from the original manufacturer—not an aftermarket imitation. It delivers the electric current needed to ignite the air-fuel mixture in the engine’s combustion chamber, ensuring reliable performance. For optimal results, the spark plug should be properly gapped according to the specifications in your equipment’s owner’s manual. This item is sold individually and requires a spark plug wrench or socket wrench for installation or removal.
Carburetor Gasket – Part Number: 6684615
$5.31
Special Order
Carburetor Gasket
Part #6684615
It is a genuine item that is supplied directly from the original equipment manufacturer for use with Tanaka and Hitachi lawn and garden equipment. The purpose of this gasket is to provide an air-tight seal for the carburetor, please refer to the appropriate diagrams of your model for the correct location and application of this hardware. It is a high-quality item that is made of durable composite material and is sold individually, over time it may wear out and begin to crack eventually requiring a replacement.
Pulley-starter – Part Number: 6693066
No Longer Available
Pulley-starter
Part #6693066
This is a genuine Tanaka replacement part that has been sourced from the original manufacturer to be used with trimmers, edgers, hedge trimmers, blowers, and gas powered drills. The plastic pulley is used to store the starter rope and to engage the starter cam. This item is sold as an individual replacement part.
Lever-throttle – Part Number: 6693803
No Longer Available
Lever-throttle
Part #6693803
This is a genuine Tanaka part for use with Trimmers and Edgers. The throttle lever allows you to control engine speed. The most common reason for replacing the throttle lever is if it is damaged or not engaging the throttle properly. This part is sold individually. The tools that you will need to replace the throttle lever is a T-25 Torx head screwdriver and a flat-head screwdriver.
Tank Cap Assembly. Orange – Part Number: 6691716
No Longer Available
Rope-starter – Part Number: 6693168
$6.40
Special Order
Rope-starter
Part #6693168
This starter rope is an authentic replacement part provided by the original equipment manufacturer. It is frequently used for yard equipment such as trimmers. This rope is used to manually start the engine. It is sold individually, and it should be replaced if it is frayed or beginning to wear out.
Pulley-starter-assembly – Part Number: 6693405
No Longer Available
Pulley-starter-assembly
Part #6693405
This authentic item is sourced directly from the original equipment manufacturer for Tanaka lawn and garden equipment. It is an identical replacement for a missing or a faulty pulley-starter-assembly that helps to pull-start the engine. Please make sure to check the appropriate diagrams of your specific model for the correct location and use of this part. Keep in mind this high-quality component is made of durable metal and is sold individually.
Cleaner-air Assembly – Part Number: 6690040
No Longer Available
Cleaner-air Assembly
Part #6690040
A genuine item that is supplied by the original equipment manufacturer for use with Tanaka handheld lawn and garden equipment. The purpose of this cleaner assembly is to ensure the air supplied to the engine is free of dust and other harmful contaminants, over time it may get clogged or damaged eventually requiring a replacement. This complete assembly is sold individually, it includes the plastic base, the cover, and the foam element cleaner.