Exhaust Manifold Cummins 3907451 | 3978522, 3931440

High-Durability Exhaust Manifold for Cummins Engines

This exhaust manifold is expertly engineered to maximize engine efficiency by optimizing exhaust gas flow. Built to handle the rigorous demands of heavy-duty commercial trucking, it ensures long-term reliability and peak performance under extreme operating conditions.

• Superior Flow Dynamics: Significantly reduces exhaust backpressure to improve overall engine health and fuel efficiency.
• Extreme Temperature Resistance: Crafted from high-grade materials specifically chosen to prevent cracking and warping under intense thermal cycles.
• Precision Engineering: Designed for a precise fit, ensuring leak-free operation and maintaining consistent engine pressure.
• Robust Construction: With a substantial weight of 66.14 lb, this component provides the structural integrity required for high-pressure engine environments.