Hydraulic Cylinder Rod Oil Seal
Double-lip oil seal for hydraulic cylinder piston rods in construction equipment, constructed with polyurethane and metal insert to withstand high pressures. Falls under HTS 8487.90.00.40 as a non-electrical machinery oil seal excluding Chapter 40 rubber products.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported specifically for hydraulic excavator cylinders
Parts identifiable for specific construction machinery under 8431 supersede general 8487 classification.
If purely elastomeric without metal casing
Unreinforced rubber seals classify in Chapter 40 regardless of hydraulic application.
If for high-precision seals in servo-hydraulic systems
Certain specialized hydraulic appliance parts may fall under 8481 if not purely oil sealing function.
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Import Tips & Compliance
• Provide hydraulic pressure ratings and material specs (e.g
• PU hardness) to distinguish from rubber O-rings
• Ensure invoice specifies 'dynamic rod seal' to avoid confusion with static Chapter 40 seals
Related Products under HTS 8487.90.00.40
Camshaft Oil Seal
Precision oil seal for engine camshafts, featuring low-torsion design with metal insert and HNBR compound for valvetrain lubrication retention. HTS 8487.90.00.40 classification for machinery oil seals.
Gearbox Input Shaft Oil Seal
Heavy-duty oil seal for tractor gearbox input shafts, with spring-loaded lip and cast iron housing for agricultural machinery durability. HTS 8487.90.00.40 applies as a general machinery part oil seal, excluding Chapter 40 and electrical components.
PTFE Lip Oil Seal
Low-friction PTFE-faced oil seal for high-speed pumps, with metal body and energizing spring for chemical processing equipment. HTS 8487.90.00.40 as composite machinery seal excluding Chapter 40 rubber.
Automotive Crankshaft Oil Seal
A radial oil seal designed for sealing the crankshaft in internal combustion engines, preventing oil leakage between the rotating shaft and engine block. Made from nitrile rubber with a metal reinforced outer casing, it is classified under HTS 8487.90.00.40 as a machinery part oil seal not of rubber from Chapter 40. It lacks electrical features and is used in automotive machinery.
Industrial Pump Shaft Oil Seal
A high-pressure oil seal for centrifugal pump shafts in water treatment plants, featuring PTFE lip and stainless steel case for corrosion resistance. Classified in 8487.90.00.40 as it functions to retain lubricants in rotating machinery without electrical components or Chapter 40 rubber designation.
Compressor Crankshaft Oil Seal
Lip-type oil seal for air compressor crankshafts, using fluorocarbon elastomer bonded to steel shell for high-temperature operation. Classified under 8487.90.00.40 for machinery oil seals that are not Chapter 40 rubber articles and contain no electrical features.