2011-2016 EcoBoost Driver Side Exhaust Manifold (1043003)

Made from thick walled high silicon ductile iron to resist warping, with 3 extra stud locations to improve durability, reliability & effectively eliminating the weak point the OEM units have.

Part Number: 1043003

• Driver Side
• Utilize 3 additional exhaust stud locations
• BD Thick wall high-silicon ductile cast iron resists thermal warping
• 15mm longer exhaust studs + spacers
• New studs, spacers, and nuts included
• Suggest optional 1043002 addition parts kit for easier install
• Each kit includes 11 exhaust spacers and class 8.8 studs designed to further improve thermal durability.

• Replaces Ford OEM part numbers: BL3Z-9430-B, BL3Z-9430-D

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