1043001 Exhaust Manifold Kit for Ford F-150 3.5L Ecoboost, for Expedition/Transit/Lincoln, Replaces BL3Z-9430-B, BL3Z-9430-D, BL3Z-9431-B, BL3Z-9431-D

Replaces part numbers: 1043001, BL3Z-9430-B, BL3Z-9430-D, BL3Z-9431-B, BL3Z-9431-D For Ford 3.5L EcoBoost For Ford F-150 2011-2016 For Ford Expedition 2015-2017 For Ford F-150/Lobo 2015-2016 For Ford Transit 2015-2024 For Lincoln Mark LT 2011-2014 For Lincoln Navigator 2015-2017 Upgrade your Ford 3.5L EcoBoost engine with this high-performance Exhaust Manifold, expertly engineered to solve common factory design flaws. Unlike OEM manifolds that use only 8 of 11 available stud locations—leading to warped castings, broken studs, and blown gaskets—this replacement utilizes all 11 stud positions for maximum clamping strength and even heat distribution. Made from thick-walled, high-silicon ductile iron and reinforced with 304 stainless steel, this manifold resists thermal fatigue and cracking. The included extended 15mm studs and spacers ensure correct installation depth and improved thermal cycling performance. Whether you're restoring, repairing, or upgrading, this Exhaust Manifold delivers OEM+ reliability, enhanced flow, and lasting protection.

• 【Wide Application】Exhaust Manifold Kit for Ford F-150 2011-2016, for Expedition 2015-2017 , for Transit 2015-2024, for Lincoln Navigator 2015-2017 , for Mark LT 2011-2014
• 【Replaces part numbers】 BL3Z-9430-B, BL3Z-9430-D, BL3Z-9431-B, BL3Z-9431-D
• 【Upgraded 11-Stud Design】Solves the factory 3.5L EcoBoost exhaust manifold flaw by utilizing all 11 threaded stud holes on the cylinder head—adds 3 extra stud locations for superior clamping force, reducing warping and gasket failure.
• 【Enhanced Thermal Durability】Constructed from thick-wall high-silicon ductile iron and 304 stainless steel to resist thermal stress cracking and warping, ensuring long-term reliability under extreme engine conditions.
• 【Satisfaction Service】If you are not satisfied with our products, you can request a refund within 30 days. We also support a 12 month warranty. Professional and sincere service enables you to purchase without risk!