Genuine Honda Thermowax Assembly 16620-Z9L-003 – Fits GCV170 HRN216 HRX217

If your Honda mower is hard to start or the choke isn't doing its thing, the thermowax might be shot.

This is the real deal, a genuine Honda Thermowax Assembly.

The part number is 16620-Z9L-003 (which also supersedes 16620-Z8D-842).

It's a brand new OEM part, not some aftermarket knock-off.

It fits a ton of popular Honda engines and mowers, including the GCV170, GCV200, as well as the HRN216 and HRX217K6 models.

It's the little unit that controls the auto choke function as the engine warms up.

Swapping it out is pretty straightforward and can make a world of difference in how your mower starts and runs.

Get your Honda running like new again with this genuine part.