
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Exhaust Outlet Pipe Cummins 3910994 | 3902624, 3906763, 391099400, CU3910994
Optimize your engine’s exhaust flow with this heavy-duty Cummins 3910994 exhaust outlet pipe. Engineered for precise fitment and maximum durability, it ensures efficient gas expulsion and reliable performance under high-temperature conditions.
Description
High-Performance Exhaust Outlet Pipe for Cummins Engines
The Cummins 3910994 Exhaust Outlet Pipe (also commonly referred to as an exhaust elbow) is a critical component designed to facilitate the smooth and efficient transfer of exhaust gases from the engine’s exhaust manifold to the subsequent parts of the exhaust system. Engineered to withstand extreme temperatures and high-pressure environments, this pipe plays a vital role in minimizing backpressure, maintaining optimal engine temperature, and ensuring compliance with emissions standards.
Key Features & Benefits
- Durable Construction: Manufactured from high-grade, heat-resistant materials to prevent corrosion, cracking, and leaks over a long service life.
- Precise Fitment: Designed to exact specifications for a seamless, leak-free connection between the exhaust manifold and the exhaust outlet connection.
- Optimized Performance: Aids in efficient exhaust gas expulsion, which directly improves engine efficiency, reduces backpressure, and enhances overall performance.
Application & Compatibility
This exhaust outlet pipe is compatible with a wide range of heavy-duty Cummins engines, including:
- Cummins 6CT 8.3
- Cummins ISC 8.3
- Cummins QSC 8.3
- Cummins ISL / QSL 8.9 (Tier 3)
Please verify your existing part number or consult with our experts before purchasing to ensure perfect compatibility with your specific engine configuration.

