Rough Cast Iron Engine Block
Basic cast-iron engine block casting for spark-ignition piston engines, processed only by cleaning and minimal machining to eliminate sprues, risers, and fins for subsequent finishing. No bores, ports, or surfaces have been machined to final dimensions. Falls under 8409.91.10 as unfinished cast-iron parts principally for 8407/8408 engines.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If includes preliminary bore honing or porting
Any machining beyond basic cleaning qualifies as 'other' under 8409.91.50.
If for diesel or non-piston engines
Castings not solely for spark-ignition piston engines of 8407/8408 go to general cast-iron provisions.
If sold as flywheel housing component set
Transmission-related castings classify under flywheels and pulleys in 8483.
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Import Tips & Compliance
• Provide foundry certificates showing only cleaning and location machining; photos of casting defects removal aid verification
• Label shipments clearly as 'unfinished castings for 8408 engines' to prevent confusion with finished blocks
Related Products under HTS 8409.91.10
Rough Cast Iron Main Bearing Cap
Individual cast-iron main cap castings, cleaned for engine blocks, spark-ignition use. 8409.91.10.
Rough Cast Iron Ladder Frame
Engine ladder frame casting connecting main cap to block, cleaned for spark-ignition engines. 8409.91.10.
Rough Cast Iron Camshaft Carrier
Cast-iron carrier for overhead cam engines, basic casting stage for 8408 engines. HTS 8409.91.10.
Rough Cast Iron Piston Casting
Unfinished cast-iron piston blank for spark-ignition engines, cleaned and trimmed only for gates/risers removal and fixture location, awaiting skirt and crown machining. Designed principally for internal combustion piston engines in headings 8407/8408. HTS 8409.91.10 applies to this minimally processed foundry output.
Rough Cast Iron Intake Manifold Casting
Basic cast-iron intake manifold blank for automotive spark-ignition engines, cleaned of risers/gates and lightly machined for fixture points only. Runner passages remain fully cored and un machined. Classifies in 8409.91.10 as unfinished part for 8407/8408 engines.
Rough Cast Iron Valve Cover
Cast-iron rocker/valve cover casting cleaned and trimmed minimally for spark-ignition engine cylinder heads, with no baffle or mounting hole machining. For use solely with 8407/8408 engines per HTS 8409.91.10 description.