Cummins Flexible Hose 3680745 – Durable Fluid Transfer for Demanding Diesel Systems
The Cummins Flexible Hose 3680745 is designed to deliver dependable fluid or air transfer performance in a variety of diesel engine systems. Manufactured to high OEM standards by DCEC, this hose offers excellent flexibility, resistance to pressure, and long-lasting sealing under heat and vibration.
Whether you’re managing coolant, oil, or air routing, this flexible hose fits seamlessly into systems built with Cummins genuine parts. In fact, its durable structure ensures consistent performance—making it a smart choice for both routine maintenance and engine rebuilds.
📦 Specifications
- Part Number: 3680745
- Part Name: Flexible Hose
- Material: Reinforced rubber with braided or molded core
- Finish: Smooth black exterior
- Condition: Brand New
- Category: Engine Cooling & Fluid Transfer
- Manufactured By: DCEC
- Compatibility: Matches a wide range of Cummins parts configurations
✅ Key Features
- Designed for high-pressure and high-temperature applications
- Flexible body enables easy routing through tight engine spaces
- Resistant to oil, coolant, and heat exposure
- OEM-tested for vibration and abrasion resistance
- Compatible with both new and legacy DCEC parts systems
🔧 Technical Insights
The 3680745 Flexible Hose features a multi-layer construction that balances flexibility with strength. Inside, its reinforced structure helps resist bursting under pressure, while the outer rubber layer shields it from external damage.
Furthermore, this hose maintains its shape and tight seal even during engine thermal cycles or vibration-heavy operation.
Since it’s a Cummins genuine part, it matches factory specs exactly, allowing reliable integration into DCEC parts assemblies with minimal effort.
💡 Application Scenarios
This flexible hose is ideal for:
- 🔹 Coolant routing in medium-duty or heavy-duty diesel engines
- 🔹 Turbocharger or air intake systems requiring bendable connections
- 🔹 Oil transfer applications under elevated engine temperatures
- 🔹 Maintenance and replacement in DCEC-configured Cummins platforms
- 🔹 Power generation, construction, and transportation equipment using Cummins parts
🚚 Availability
The Cummins Flexible Hose 3680745 is in stock and available for global delivery.
To ensure perfect compatibility with your engine, please share your engine serial number (ESN). Our team is ready to help verify the match and support your Cummins genuine parts and DCEC parts needs.
