
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Multi-Purpose Hose Cummins 3911936 | 3353031, J911936
The Cummins 3911936 multi-purpose plain hose is designed to provide a flexible, durable connection for fluid and air systems in heavy-duty diesel engines. Engineered to withstand moderate pressures and temperatures, it ensures reliable operation and reduces vibration transfer between rigid components.
Description
Product Overview
The Cummins 3911936 Multi-Purpose Plain Hose is a high-quality, flexible tubing solution designed for various fluid and air systems in heavy-duty commercial vehicles and industrial diesel engines. Engineered to accommodate movement and absorb operational vibrations, this plain hose provides a secure connection between rigid engine components without compromising system integrity.
Key Features & Benefits
- High Flexibility: Designed to bend and route through complex engine compartments without kinking or restricting flow.
- Durable Construction: Manufactured from premium elastomeric materials resistant to wear, heat, and common engine fluids.
- Vibration Dampening: Effectively isolates vibrations between rigid components, protecting your engine’s plumbing systems from premature wear.
- Multi-Purpose Application: Suitable for moderate pressure and temperature applications, including coolant, air, or low-pressure fluid transfer.
Engine Compatibility
This multi-purpose hose is compatible with a wide range of Cummins diesel engines, including:
- Cummins 4BT 3.9 / 6BT 5.9
- Cummins 6CT 8.3 / QSC 8.3 / ISC 8.3
- Cummins ISL 8.9 / QSL 9
- Cummins QSB 3.9 / QSB 4.5 / QSB 5.9 / QSB 6.7

