KINDZA Thermo Wax Assembly for Honda GCV/HRX Engines — 16620-Z9L-003 OEM Direct-Fit, Restores Automatic Choke

KINDZA Genuine 16620-Z9L-003 Thermo Wax Assembly is a direct-fit OEM temperature actuator designed to restore correct choke and temperature-responsive operation on compatible Honda small engines.

When a lawn mower or small-engine machine has trouble with automatic choke response or temperature-driven valve action, the thermo wax actuator is often the overlooked culprit. This genuine KINDZA part (OEM 16620-Z9L-003) replaces older or failed actuators used on Honda GCV170, GCV190, GCV200, HRX217K6 and HRN216 models. Built to OEM specifications, it restores factory movement and helps maintain reliable starting and running behavior when engine temperature changes.

How will this thermo wax assembly affect cold starts?

When cold, the thermo wax element expands or contracts to position the choke or temperature-controlled mechanism accurately. Replacing a worn or stuck actuator returns proper choke timing so the engine gets the richer mixture it needs at low temperatures and leans out as it warms.

• Restores automatic choke movement for smoother cold starts
• Maintains correct enrichment during warm-up
• Prevents extended flooding caused by a failed actuator

Is this part a direct replacement and which part numbers does it supersede?

Yes—this KINDZA unit is a direct-fit OEM actuator with the part number 16620-Z9L-003. It is manufactured to match factory dimensions and mounting points so it installs without modification on supported Honda engine models.

• OEM part number: 16620-Z9L-003
• Replaces older references: 16620-Z8D-842, 16620-Z8D-841, 16620-Z8D-305
• Designed for plug-and-play installation on listed Honda engines

What should I check before ordering and installing this actuator?

Confirm your engine model and existing part number match one of the supported references. Inspect the mounting points, linkage, and electrical connector (if present) for compatibility and look for signs of corrosion or mechanical damage that might require additional attention.

• Verify compatibility with GCV170, GCV190, GCV200, HRX217K6, HRN216
• Compare physical mounting and linkage to the old part before removal
• Clean surrounding area to prevent debris entry during swap

How durable is this OEM-style thermo wax actuator?

Manufactured to OEM tolerances, the KINDZA 16620-Z9L-003 uses quality materials for reliable thermal response and long service life under normal use. Proper installation and routine engine maintenance will help it perform as expected season after season.

• OEM-quality construction for consistent thermal actuation
• Engineered to resist typical outdoor and vibration conditions
• Supports continued functionality of choke and temperature controls

Who is this for: This replacement is intended for homeowners, landscapers, and small-engine technicians maintaining Honda-powered mowers and equipment that use the GCV170, GCV190, GCV200, HRX217K6, or HRN216 engines. Choose this KINDZA genuine thermo wax assembly if you need a direct replacement to fix poor cold starting, incorrect choke behavior, or a failed temperature actuator—especially when you want an OEM-spec solution instead of a generic aftermarket substitute.

Ingredients

Metal