| HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
|---|---|---|---|---|---|
| 9026802000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 9026806000 | Doc | 37.5% | CN | US | 2025-05-12 |
| 9031808060 | Doc | 30.0% | CN | US | 2025-05-12 |
| 9031808070 | Doc | 30.0% | CN | US | 2025-05-12 |
| 8423891000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8423899000 | Doc | 57.9% | CN | US | 2025-05-12 |
| 8479899599 | Doc | 57.5% | CN | US | 2025-05-12 |
Triple Gauge Set
A triple gauge set is a cluster of three instruments commonly used in automotive performance modification and tuning, providing real-time monitoring of critical engine parameters. These gauges are typically installed in vehicles where the driver requires detailed insight beyond the standard dashboard instrumentation.
Purpose:
The primary purpose of a triple gauge set is to allow drivers and tuners to closely observe engine health and performance, facilitating accurate adjustments and preventing potential damage. They are essential for vehicles undergoing performance enhancements like turbocharging, supercharging, or engine swaps.
Function:
A typical triple gauge set comprises three key instruments:
- Boost Gauge: Measures manifold absolute pressure (MAP) in pounds per square inch (PSI) or kilopascals (kPa). It indicates the pressure generated by the turbocharger or supercharger, reflecting engine load and boost levels. Critical for forced induction systems.
- Oil Pressure Gauge: Displays the oil pressure within the engine’s lubrication system in PSI or kPa. Low oil pressure can indicate insufficient lubrication, potentially leading to severe engine damage. High oil pressure can also indicate issues with the oil pump or restricted flow.
- Oil Temperature Gauge: Measures the temperature of the engine oil in degrees Celsius or Fahrenheit. Elevated oil temperatures can reduce oil viscosity and lubricating properties, increasing wear and tear.
Usage Scenarios:
- Performance Tuning: Used extensively during engine tuning sessions to monitor parameters while making adjustments to fuel maps, timing, and boost levels.
- Track Days & Racing: Crucial for monitoring engine health under the extreme conditions of track use.
- Modified Vehicles: Essential for vehicles with turbochargers, superchargers, or other performance modifications.
- Engine Swaps: Provides vital information for monitoring the health of a newly installed engine.
- Diagnostic Tool: Helps identify potential engine problems, such as low oil pressure or overheating.
Common Types:
- Analog Gauges: Traditional gauges with a needle indicating the measured value on a dial. Often feature backlighting for visibility.
- Digital Gauges: Display measurements numerically on an LCD or LED screen. Often include additional features like data logging, peak value recall, and programmable alarms.
- Mechanical Gauges: Utilize physical oil lines to connect to the engine. Generally considered more accurate but require more complex installation.
- Electronic Gauges: Utilize sensors to measure parameters and transmit data electronically. Easier to install and often include advanced features.
- Pod Mount Gauges: Designed to be mounted in pre-existing dashboard locations or custom pods.
- A-Pillar Mount Gauges: Mounted on the A-pillar of the vehicle.
- Vent Mount Gauges: Mount directly into the vehicle's air vents.
Based on the provided information, a “triple gauge set” likely refers to instruments used for measuring or checking variables of liquids or gases, such as flow, level, or pressure. Here are the relevant HS codes:
- 9026802000: This code covers instruments and apparatus for measuring or checking flow, level, pressure, or other variables of liquids or gases, excluding instruments of headings 9014, 9015, 9028, or 9032; parts and accessories thereof: Other instruments and apparatus: Electrical. The basic tariff is 0.0%, with an additional tariff of 25.0% and 30.0% after April 2, 2025, resulting in a total tariff of 55.0%.
- 9026806000: This code also covers instruments and apparatus for measuring or checking flow, level, pressure, or other variables of liquids or gases, excluding instruments of headings 9014, 9015, 9028, or 9032; parts and accessories thereof: Other instruments and apparatus: Other. The basic tariff is 0.0%, with an additional tariff of 7.5% and 30.0% after April 2, 2025, resulting in a total tariff of 37.5%.
- 9031808060: This code covers measuring or checking instruments, appliances and machines, not specified elsewhere; profile projectors; parts thereof: Other instruments, appliances and machines: Other Equipment for testing the characteristics of internal combustion engines: For testing electrical characteristics. The basic tariff is 0.0%, with an additional tariff of 0.0% and 30.0% after April 2, 2025, resulting in a total tariff of 30.0%.
Explanation of HS Code Structure (based on provided information):
- 90: Chapter 90 covers "Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts thereof.”
- 9026: Heading 9026 specifically covers “Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases.”
- 9031: Heading 9031 covers “Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts thereof.”
- 80: Subheading 80 further specifies the type of instruments within the broader heading.
Important Note: The applicable tariff for codes 9026802000 and 9026806000 will change after April 2, 2025. Please consider this date when importing.