BD Diesel Exhaust Pulse Manifold – Part # 1045989

The BD Diesel Pulse Exhaust Manifold with part number 1045989 is a high-performance replacement designed specifically for Cummins 12-Valve 5.9L engine-equipped motorhomes. Constructed from high-silicon ductile iron, this fully divided pulse manifold offers exceptional durability and thermal resistance, making it suitable for both stock and performance applications. Its modern design features precision slip joints that allow for expansion and contraction, significantly reducing cyclic thermal fatigue and extending the manifold’s service life. This construction helps prevent cracking or exhaust leaks, ensuring reliable operation under extreme conditions.
The manifold includes pre-drilled provisions for pyrometer probes, facilitating easy temperature monitoring for optimal engine tuning and safety. It comes with stainless steel hardware for corrosion resistance and secure installation, and the design incorporates a fully divided internal structure to optimize exhaust flow and improve engine performance. This product is ideal for fleet operators and automotive enthusiasts seeking a durable, high-quality replacement that withstands extreme temperatures and vibration typical of heavy-duty diesel environments.
Please note that gaskets, bolt sets, and spacers are sold separately, allowing customization based on specific installation needs. The BD Diesel pulse manifold complies with rigorous standards, providing long-term reliability and efficiency for demanding diesel applications. Whether upgrading or replacing stock components, this manifold enhances exhaust flow, thermal management, and overall engine durability, making it a critical component for heavy-duty Cummins-powered motorhomes.

Features:

• Heavy-duty construction with high-silicon ductile iron for extreme temperature and vibration resistance

• Precision slip joints enable expansion and contraction, reducing thermal fatigue and cracking

• Fully divided pulse manifold design optimizes exhaust flow and prevents leaks

• Pre-drilled for pyrometer probes, with stainless steel hardware included for corrosion resistance