Stanadyne DB4 Inline Fuel Injection Pump
Inline jerk pump design for older or industrial stationary diesel generators, metering fuel per cylinder. Fits HTS 8413.30.1000 as a classic fuel-injection pump for compression-ignition engines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for spark-ignition or dual-fuel engines
Non-compression-ignition fuel pumps classify under other 8413.30 provisions.
If imported as part of a complete diesel generating set.
Linear acting generating set parts may classify with the set under 8502.
If aftermarket repair components only
Loose parts not forming a complete pump go to parts provisions.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include service manuals showing diesel-specific calibration to distinguish from lubricating pumps
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