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ICOOYO Voltage Regulator Review: Direct replacement for Kawasaki engines

ICOOYO Regulator-Voltage For Kawasaki FB460V, FC290V, FC400V, FC401V, FC420V, FE290D, FE350D, Mule 500, Mule 520, Mule 550, KAF300 21066-2004
4.7
[Precise Voltage Output]  Delivers 14.5±0.5V for reliable electrical system regulation.
[Wide Model Compatibility]  Fits Kawasaki FB460V, FC290V, FC400V, FC401V, FC420V, FE290D, FE350D, Mule 500/520/550, KAF300.
[Genuine OEM Quality]  Built to OEM standards for durability and reliable performance.
[Includes Single Unit]  Package contains one regulator-voltage unit ready for replacement.
[Responsive Customer Support]  Questions answered within 24 hours; dedicated pre- and post-sale assistance.
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Lawn and patio replacement part that promises steady electrical output for Kawasaki engines, ICOOYO Voltage Regulator specifies an output of 14.5±0.5 V. Peace of mind for vehicle owners and small-engine mechanics who need dependable charging performance. Is this the correct match for specific Kawasaki models and worth fitting?

⚡ At a Glance
  • Voltage Output: 14.5±0.5 V regulated output for stable electrical performance
  • Best for: Owners and technicians replacing faulty regulators on compatible Kawasaki engines
  • Not ideal for: Engines or models not listed in the compatibility information

Regulator specified for Kawasaki engines, part number 21066-2004. Designed to maintain an output of 14.5±0.5 V and fit the listed models.


Stable charging, thanks to a specified 14.5±0.5 V output

Output is specified as 14.5±0.5 V, providing a clear numeric target for regulation. That specification indicates the component keeps voltage close to battery charging requirements under normal operating conditions.

Consistent electrical output reduces overcharging or undercharging risk, helping batteries maintain healthy charge levels. Suitable for users who need predictable charging behaviour.

Wide compatibility, with direct fit for multiple Kawasaki engines

Compatibility list includes FB460V, FC290V, FC400V, FC401V, FC420V, FE290D, FE350D, Mule 500, Mule 520, Mule 550 and KAF300. Part number match is 21066-2004, simplifying cross-reference with Kawasaki parts lists.

A direct fit for the listed engines reduces guesswork when sourcing a replacement. Useful for workshop technicians and owners maintaining those Kawasaki models.

Workshop-grade replacement, with genuine OEM quality

Product description states genuine OEM quality and the package contains one regulator unit. Seller commits to customer support and requests buyers read warnings before purchase.

OEM-level specification suggests compatible fit and manufacturing standards expected for direct replacements. Single-unit packaging suits one-off repairs and routine maintenance.

✨ The 4 Key Reasons for ICOOYO Voltage Regulator
  1. Compatibility listing, matches a long list of Kawasaki engine models for accurate replacement
  2. Part number match, direct replacement for Kawasaki part 21066-2004 ensuring correct fit
  3. Genuine OEM quality, offers workshop-standard construction for dependable performance
  4. Seller support promise, vendor commits to respond within 24 hours for pre-sale queries
📋 Technical Details at a Glance
  • Part number: 21066-2004
  • Output voltage: 14.5±0.5 V
  • Compatible engines: FB460V, FC290V, FC400V, FC401V, FC420V, FE290D, FE350D, Mule 500, Mule 520, Mule 550, KAF300
  • Package contents: Regulator-Voltage x 1
  • Brand: ICOOYO
❓ Frequently Asked Questions

Q: Which Kawasaki engines are compatible with this regulator?

A: Compatibility includes FB460V, FC290V, FC400V, FC401V, FC420V, FE290D, FE350D, Mule 500, Mule 520, Mule 550 and KAF300.

Q: What output voltage does the regulator provide?

A: The regulator is specified to produce an output of 14.5±0.5 V.

Q: How many units are included and what is the stated quality?

A: Package contains one regulator, and the listing describes it as genuine OEM quality.

🏆 Our Verdict

Suitable for owners and workshops needing a direct replacement regulator for the listed Kawasaki engines. Clear compatibility information and a specified 14.5±0.5 V output are the main selling points. Although cost will vary, OEM-quality construction and part number match make it a sensible long-term replacement choice.