Emergency Generator Fuel Pump Diaphragm

Nitrile rubber diaphragm for mechanical fuel pumps in diesel emergency generators, designed for diesel fuel compatibility and generator pulse rates. Replaces critical fuel delivery component in heading 8502 generators. 8503.00.95.50 generator fuel system part.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3%+35.0%38%
🇲🇽Mexico3%+10.0%13%
🇨🇦Canada3%+10.0%13%
🇩🇪Germany3%+10.0%13%
🇯🇵Japan3%+10.0%13%

Alternative Classifications

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

8413.91.90Lower: 35% vs 38%

If general pump parts

Pumps have dedicated parts classification

4008.21.00Lower: 35% vs 38%

If classified by rubber material

Unspecified rubber plates/sheets default to Chapter 40

8409.99.99Lower: 35% vs 38%

If other diesel engine parts

Engine parts separate from generator electrical classification

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

Fuel compatibility test data supports diesel generator classification

NFPA 110 compliance documentation for emergency systems helpful

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