Rough Cast Iron Exhaust Manifold
Unfinished cast-iron exhaust manifold for spark-ignition internal combustion engines, with gates and fins removed via minimal machining for finishing setup. Exhaust ports and collectors untouched. HTS 8409.91.10 for such basic castings principally used with 8407/8408 engines.
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 stainless steel construction
Non-cast-iron exhaust parts go to other materials subheading.
If silencer/muffler integrated
Vehicle exhaust systems classify complete in Chapter 87.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Thermal crack inspection reports confirm post-casting cleaning without stress-relief machining
• Specify engine displacement range matching 8408 spark-ignition provisions
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.