Description

This exhaust manifold is built for Cummins ISX pre-EGR engines and replaces OEM part number 3680650. It improves exhaust flow to the turbocharger, reduces backpressure, and enhances engine performance. Constructed from high-strength, heat-resistant cast iron, this manifold offers excellent thermal stability, a leak-free fit, and dependable operation in high-temperature, heavy-duty diesel environments. Application: PRE EGR ISX Engine Slip Fit Design Center Section 3680199 End Section 3680200 Key Features OEM replacement for Cummins 3680650 Fits ISX Pre-EGR engine platforms Optimized exhaust flow improves turbocharger response Durable, high-temp cast iron resists cracking and warping Precision-machined for leak-free, OEM-style installation Compatibility Cummins ISX (Pre-EGR) Engines OEM Replacement Part #: 3680650