Exhaust Manifold Cummins 3937478 | 3943851, 87344861, 393747800

High-Performance Exhaust Manifold for Cummins Engines

The Cummins 3937478 Exhaust Manifold is a premium-grade replacement component engineered to deliver reliable and efficient exhaust management in demanding heavy-duty environments. This split-type manifold section (covering 2 of the 6 cylinders) is meticulously crafted to collect exhaust gases efficiently and direct them toward the turbocharger or exhaust system, promoting optimal engine operation.

Key Features & Benefits

• Optimized Air Flow: Innovative design reduces exhaust back pressure, allowing for maximum air flow and more efficient engine performance.
• Extreme Temperature Resistance: Manufactured from cutting-edge, durable materials designed to withstand high temperatures and corrosive exhaust gases without warping or cracking.
• Perfect Fitment: Engineered to match precise specifications for a seamless fit within your engine’s exhaust system, making it the ideal choice for professional mechanics.

Engine Compatibility

This exhaust manifold is compatible with the following Cummins heavy-duty diesel engines:

• Cummins C Series
• Cummins 6CT 8.3
• Cummins QSC 8.3
• Cummins QSL9 / QSL 9