Cummins Reducing Hose 3630688 – Flexible Connector for Multi-Diameter Cooling Systems
The Cummins Reducing Hose 3630688 is a high-performance coolant hose designed to connect engine components with different diameters, enabling smooth transitions within your cooling system. Built from durable, heat-resistant materials, this hose supports fluid integrity and temperature control in demanding engine environments. As part of the Cummins genuine parts lineup, it meets OEM standards for strength and reliability across diverse diesel applications.
Whether used in trucks, generators, or industrial machines, the Cummins 3630688 Reducing Hose plays a key role in optimizing coolant flow and minimizing the risk of leaks or pressure drops.
📦 Specifications
- Part Number: 3630688
- Part Name: Reducing Hose
- Material: Reinforced rubber with high heat and chemical resistance
- Diameter Transition: Engineered for two different internal diameters
- Condition: 100% Brand New
- Category: Cooling System Components
- Origin: Manufactured to strict Cummins OEM specifications
- Compatibility: Fits select Cummins parts platforms (confirm with ESN)
✅ Key Features
- Connects components with different hose diameters seamlessly
- Withstands high coolant temperatures and harsh engine conditions
- Reinforced structure resists collapse under suction or vibration
- Easy to install with standard clamps and minimal tools
- Fully compatible with other Cummins genuine parts assemblies
🔧 Technical Insights
- Tapered Transition Design: Ensures smooth coolant flow across diameter changes, reducing turbulence and improving system efficiency
- Layered Reinforcement: Multi-ply construction resists internal pressure and external wear
- Flexible Yet Strong: Offers just enough flexibility to absorb engine vibration while maintaining structural form
- OEM Fit: Matches exact Cummins parts tolerances for diameter and length, ensuring a precise fit and leak-free seal
💡 Application Scenarios
The Cummins 3630688 Reducing Hose is typically used in:
- 🔹 On-road diesel trucks with customized cooling layouts
- 🔹 Industrial engine platforms with varied inlet/outlet sizes
- 🔹 Power generation units where temperature regulation is critical
- 🔹 Aftermarket engine modifications needing diameter conversion
- 🔹 Maintenance and replacement of aging or mismatched hoses in Cummins genuine parts systems
🚚 Availability
The Cummins Reducing Hose 3630688 is in stock and available for fast global shipping.
To ensure compatibility with your Cummins parts configuration, please provide your engine serial number (ESN). Our experienced team is here to support you with selection and technical verification.
