This is an authentic OEM part. The thermo wax assembly is made for use with several lawn mowers, and is sold individually. This important component assists with the choke assembly, helping to activate the motor. You will need a socket wrench and pliers for the installation. Please refer to the manual for safety and repair instructions.
Thermo Wax Assembly 16620-Z9L-003
OEM part for: Honda
Part Number: 16620-Z9L-003
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![Honda Honda](images/37658_white.png)
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Frequently Purchased Together ?
Compatibility
This Thermo Wax Assembly will fit the following 42 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Lawn Mower Parts
This part replaces obsolete part #: 16620-Z9L-003wasmerg, 16620-Z8D-842 (Serial# (1546575-9999999)), 06166-Z8D-305, 16620-Z8D-842, 16620-Z8D-305, 16620-Z8D-305 (Serial# (1546575-9999999)), 16620-Z8D-841
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Does this fit my product?Questions & Answers for Thermo Wax Assembly
Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Lawn mower surges
Tool Type
Engine
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Power Drill, Socket set
Parts Used
Honda HRX217 mower running rough, surging.
Tool Type
Engine
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set
Remove old thermowax module with pliers.
Remove old choke control assy.
Also replaced carburetor.
Reinstalled carb and choke control with new gaskets.
Thermo wax assy. defective.
Tool Type
Engine
Difficulty
Easy
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver
Choke was stuck in the open position. Engine hard to start.
Tool Type
Engine
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Wrench Set
Parts Used
Difficult to start.
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Socket set
Parts Used
Very difficult to cold start
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Socket set
Parts Used
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.