BD Diesel 1041402 Exhaust Manifold for Chevy Silverado & GMC Sierra 1500 LS V8 2002-2013

The BD Diesel 1041402 is a heavy-duty replacement exhaust manifold engineered to solve the common bolt failure issues that plague factory GM LS-based truck manifolds. Designed specifically for 2002-2013 Chevrolet Silverado 1500 and GMC Sierra 1500 V8 applications, this manifold features BD's advanced thermal management design.

Key Features:

• Constructed from high-silicon ductile iron to resist warping and cracking under extreme heat cycles
• Uniform increased wall thickness throughout the entire manifold reduces stress concentration points
• Extended fasteners (15mm longer than OEM) with integrated spacers effectively accommodate thermal expansion
• Precision-machined bolt mating surfaces ensure secure, leak-free gasket seal
• Relocated heat shield mounting bosses for improved durability
• Complete hardware kit includes all new bolts, spacers, and gaskets for proper installation
• Direct OEM replacement for GM part #12616285

Compliance & Warranty:

• Legal for sale and use in all 50 states including California (no EO required)
• SEMA Certified: SC-BDD01-0136
• 36-month/75,000-mile parts warranty
• Estimated install time: 1.5 hours

BD Diesel's over-engineered design addresses the root causes of OEM manifold failure, providing a permanent solution that maintains peak engine performance for years of reliable service.