Cummins 6LT8.9 DCEC Exhaust Manifold 3971431 – Shree Engineering Services Introduction The Cummins 6LT8.9 DCEC Exhaust Manifold 3971431 from Shree Engineering Services is engineered to provide superior performance and reliability for Cummins 6LT8.9 DCEC engines. Designed for both replacement and enhancement purposes, this exhaust manifold ensures optimal engine efficiency and longevity. Whether you need a […]