21066-7011 Voltage Regulator Replacement for FH, FS & FX Engines
A suitable voltage regulator is an important component of an engine’s charging system. The 21066-7011 Voltage Regulator is a replacement part listed for selected Kawasaki FH, FS and FX engine models. It is designed for a 12V electrical system and has a 20 Amp rating.
Product Overview
This voltage regulator is listed as a replacement for several part numbers, including 21066-7011, 21066-7003, 21066-7001 and 21066-7006. It is intended for use with a range of selected Kawasaki engine models.
The unit features three male terminals identified as AC, B+ and AC. Before purchasing, compare the original regulator’s part number, terminal arrangement and electrical specifications with the replacement to help ensure compatibility.
Key Features
- Replacement Part Numbers: Listed as a replacement for 21066-7011, 21066-7003, 21066-7001 and 21066-7006.
- 12V Input: Specified for a DC 12V electrical system.
- 20 Amp Rating: The listed current rating is 20 Amp.
- Three Male Terminals: Features AC, B+ and AC terminal connections.
- Wide Engine Compatibility: Listed for selected FH, FS and FX engine models.
- Single-Unit Package: Includes one voltage regulator.
Compatible Engine Models
Listed FS and FH engine models:
FS600V, FS651V, FS730V, FH381V, FH430V, FH451V, FH480V, FH500V, FH531V, FH541V, FH580V, FH601D, FH601V, FH641D, FH641V, FH661V, FH680D, FH680V, FH721D, FH721V and FH770D.
Listed FX engine models:
FX481V, FX600V, FX691V, FX730V, FX751V, FX801V, FX850V and FX921V.
Compatibility is based on the supplied product listing. Always verify the exact engine model and original part number before ordering.
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Voltage Regulator |
| Main Part Number | 21066-7011 |
| Replacement Numbers | 21066-7003, 21066-7001, 21066-7006 |
| Input Voltage | DC 12V |
| Current Rating | 20 Amp |
| Terminals | 3 Male Terminals: AC, B+ and AC |
| Package Contents | 1 x Voltage Regulator |
Important Compatibility Checks
- Confirm your engine’s complete model number before ordering.
- Compare the original part number with the replacement numbers listed above.
- Check that the three male terminals and their arrangement match your existing regulator.
- Confirm that your electrical system uses the specified 12V setup.
- If you are unsure about installation or wiring, consult a qualified small-engine technician.
Always disconnect the battery and follow the engine manufacturer’s service instructions before carrying out electrical work. Incorrect wiring or an unsuitable replacement may damage electrical components.
Final Thoughts
The 21066-7011 Voltage Regulator is listed as a replacement option for a range of selected Kawasaki FH, FS and FX engines. With a specified DC 12V input, 20 Amp rating and three male terminals, it is worth considering when replacing a matching regulator.
Check your original part number, engine model and terminal layout carefully before purchasing to help choose the correct replacement.
Check the 21066-7011 Voltage Regulator
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