Caterpillar 3406B Engine Cylinder Head
Cast iron cylinder head assembly for Caterpillar 3406B diesel engines (8408), complete with valve seats and ports optimized for heavy equipment applications. Includes pre-chamber design for efficient combustion. Falls under 8409.99.99 as engine-specific replacement part.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically for spark-ignition engines
Cylinder heads for 8407 spark-ignition engines use 8409.91 rather than 8409.99 for diesel.
If imported as generic iron castings without engine specification
Unspecified cast iron articles default to Chapter 73 rather than engine-specific parts.
If for parts of construction machinery not engine-specific
Machinery parts without proven 8407/8408 engine exclusivity classify under 8479.
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
• Provide CAD drawings and material specs showing compatibility only with 3406B engine architecture
• Include end-user statements from equipment manufacturers confirming engine-specific application
• Avoid misclassification under 8708.99 by demonstrating part cannot be used in non-8408 engine applications
Related Products under HTS 8409.99.99
Detroit Diesel Series 60 Fuel Injector
Electronic unit injector for Detroit Diesel Series 60 engines (8408), featuring piezoelectric actuation for precise fuel delivery and emissions control. Calibrated specifically for 12.7L-14L displacement engines. Classified 8409.99.99 as principal part for diesel engines.
Komatsu SAA6D140E Turbocharger
Variable geometry turbocharger designed exclusively for Komatsu SAA6D140E construction equipment engines (8408). Features electronic actuator for precise boost control across operating ranges. 8409.99.99 as principal engine forced induction component.
Volvo D13 Engine Camshaft
Nodular iron camshaft with laser-hardened lobes for Volvo D13 heavy-duty truck engines (8408). Features asymmetric lobe profiles for optimized valve timing and emissions performance. 8409.99.99 classification for diesel engine valvetrain component.
Perkins 2506 Engine Crankshaft
Forged steel crankshaft for Perkins 2506 industrial diesel engines (8408), with induction-hardened journals and counterweighted design for 6-cylinder configuration. Micro-polished main and rod bearings surfaces. Principal part under 8409.99.99.
Deutz TCD 7.8 Oil Pump
Gear-type oil pump assembly for Deutz TCD 7.8 L engines (8408), with pressure regulator and pickup screen optimized for vertical engine orientation. Delivers 80-100 psi across operating range. 8409.99.99 as principal lubrication component.
MAN D2676 Water Pump
Centrifugal water pump for MAN D2676 marine/industrial engines (8408), with bronze impeller and cast iron housing for corrosion resistance. 550 LPM flow at 2.5 bar pressure. Engine-specific cooling system part under 8409.99.99.