Share:|Follow us on LinkedIn

Brake Cylinder Piston Ring Kit

Cast iron piston rings for air brake cylinder rebuilds on locomotives. HTS 8607.21.50.00 other air brakes parts. Ensures airtight seal under 100+ psi.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.9%+35.0%38.9%
🇲🇽Mexico3.9%+10.0%13.9%
🇨🇦Canada3.9%+10.0%13.9%
🇩🇪Germany3.9%+10.0%13.9%
🇯🇵Japan3.9%+10.0%13.9%

Alternative Classifications

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

8409.99.99Lower: 35% vs 38.9%

If engine piston rings

Engine parts Chapter 84.

7326.90.86Lower: 37.9% vs 38.9%

If other iron articles

Unspecified iron rings.

Not sure which classification is right?

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

Get AI-powered classificationCalculate exact duty

Import Tips & Compliance

• Material hardness specs (Rockwell)

• Bore diameter compatibility

• Not general engine rings

Related Products under HTS 8607.21.50.00

Double Check Valve for Air Brakes

Dual check valve selects highest pressure source for air brake application. Railway rolling stock part HTS 8607.21.50.00. Critical for dual-circuit brakes.

Air Brake Reducing Valve

Pressure reducing valve steps down main reservoir air to brake cylinder pressure. 'Other' air brake part HTS 8607.21.50.00 for tramways. Adjustable 40-80 psi output.

Knorr-Bremse Brake Control Valve

The Knorr-Bremse DB10 brake control valve regulates air pressure to control braking force on passenger rail cars. As an 'other' air brake part under HTS 8607.21.50.00, it ensures precise brake application in tramway and railway rolling stock. Critical for fail-safe emergency braking systems.

Bendix Air Brake Quick Release Valve

Bendix QR-1 quick release valve rapidly exhausts brake pipe air for fast release on freight trains. 'Other' air brake part under HTS 8607.21.50.00 for railway rolling stock. Improves train handling by minimizing release times.

Railcar Air Brake Hose Diaphragm

Flexible diaphragm for gladhand connections between rail cars in air brake hose assemblies. HTS 8607.21.50.00 'other' for air brake parts of rolling stock. Seals 3/8" air lines at 90-120 psi.

Emergency Brake Reservoir Valve

Valve assembly for auxiliary/emergency air reservoirs on passenger rail cars. Provides immediate air supply for emergency braking under HTS 8607.21.50.00. Meets crashworthiness standards.