Automotive Alternator Voltage Regulator 12V
This voltage regulator is a replacement part for 12V automotive alternators, automatically maintaining stable battery voltage during engine operation. It falls under HTS 9032.90.21.00 as a part of automatic voltage regulators designed specifically for 12V systems in vehicles. Excludes regulators for industrial machinery per chapter notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If integrated into full starter or generator unit
Complete electrical ignition/generating sets for vehicles are classified in heading 8511, not parts in 9032.
If for low-voltage relay-based switching in industrial panels
Basic relays for voltage control fall under Chapter 85 electrical apparatus, excluding automatic regulators of 9032.
If generic parts not principally for 9032 regulators
Parts suitable for multiple instrument types default to 9033 per chapter note 2(c), not specific voltage regulator accessories.
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Import Tips & Compliance
• Verify compatibility certification for 6/12/24V systems and include OEM specs in documentation to avoid misclassification
• Obtain automotive aftermarket approvals (e.g
• SAE standards) as common pitfalls include rejection due to missing safety certifications
• Declare as vehicle parts only if not bundled with full alternator; separate entry prevents duty escalation
Related Products under HTS 9032.90.21.00
Motorcycle 24V Battery Voltage Stabilizer Module
A compact electronic module that stabilizes voltage output for 24V motorcycle battery systems, preventing overcharge or undercharge. Classified under HTS 9032.90.21.00 for parts of automatic voltage regulators in low-voltage vehicle applications. Distinguished from general electrical components by its regulating function.
12V Car Headlight Voltage Regulator
Electronic regulator ensuring consistent 12V supply to automotive headlights, compensating for battery fluctuations. Fits HTS 9032.90.21.00 as accessory for vehicle automatic voltage-current regulators in 6/12/24V systems. Excludes machine technical uses per chapter exclusions.
ATV 6V Voltage Regulator Rectifier
Combined regulator-rectifier unit for 6V ATV electrical systems, converting AC to DC while regulating voltage. Under HTS 9032.90.21.00 for low-voltage vehicle regulator parts, suitable for off-road vehicles. Not for technical machine uses excluded in chapter note 1(a).
24V Golf Cart Battery Management Regulator
Voltage regulator module for 24V golf cart battery packs, providing automatic over/under-voltage protection. Classifies in HTS 9032.90.21.00 as part for low-voltage automatic regulators in utility vehicles. Per note 2(b), principally for vehicle use.
12V Marine Outboard Motor Voltage Controller
Waterproof voltage controller for 12V outboard boat motors, regulating charging from alternators. HTS 9032.90.21.00 applies to such low-voltage marine vehicle regulator parts. Excludes pumps or valves per note 1(g).
Snowmobile 12V Charging System Regulator
Regulator for snowmobile 12V charging systems, maintaining optimal battery voltage in cold conditions. Under HTS 9032.90.21.00 for parts of vehicle automatic voltage regulators. Vehicle-specific per note 2(b).