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Heavy Duty Truck Cut-Out Relay Assembly

Electromechanical cut-out relay with voltage regulation for Class 8 truck alternators, preventing reverse current flow in diesel engine electrical systems. HTS 8511.90.40.00 covers this as 'other' parts of voltage regulators with cut-out relays for compression-ignition engines. Designed for high amperage commercial applications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8536.49.00Higher: 37.7% vs 35%

If general purpose relay without engine-specific voltage regulation

Relays not integral to IC engine voltage systems fall under general relay heading.

8511.90.20Higher: 38.1% vs 35%

If specifically identified as ignition coil parts

Different parts subheadings exist for specific engine electrical components.

8708.10.30Higher: 102.5% vs 35%

If imported as complete truck engine electrical harness

Vehicle body/engine assemblies classify under Chapter 87 parts.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include cut-out relay activation voltage threshold specifications in import documentation

Certify for commercial vehicle use to distinguish from automotive/light truck parts

Avoid misclassification by providing proof of integration with engine generator systems

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