Product Description
Cummins 3918613 OEM Plain Hose – B5.9 / ISB Tier 3 Applications
The Cummins 3918613 OEM Plain Hose is a genuine Cummins replacement hose designed for use across various B5.9 and ISB Tier 3 engine applications. Manufactured to Cummins OEM specifications, this multi-purpose hose provides reliable performance in coolant, breather, and fluid-routing systems where durability, heat resistance, and long service life are critical.
Unlike universal aftermarket hose options, the Cummins 3918613 is engineered specifically for compatibility with Cummins B-Series engines and Tier 3 ISB platforms. Whether performing cooling system maintenance, breather service, or preventative hose replacement, this genuine Cummins component helps maintain proper system operation and long-term reliability.
Features
- Genuine Cummins OEM replacement hose
- Designed for B5.9 and ISB Tier 3 engine applications
- OEM-grade heat, pressure, and chemical resistance
- Suitable for coolant, breather, and fluid-routing applications
- Flexible straight hose design for multiple installations
- Built for long service life in demanding diesel environments
- Direct replacement for Cummins part number 3918613
- Maintains OEM fit, function, and reliability
Fitment
- Cummins B5.9 Engines
- Cummins ISB 5.9L Tier 3 Engines
- Industrial Equipment Applications
- Agricultural Equipment Applications
- Construction Equipment Applications
- Vocational and Off-Highway Equipment
- Additional Cummins B-Series and ISB Configurations Using Part Number 3918613
Note: Because Cummins uses the 3918613 hose in multiple engine and equipment configurations, ESN verification is recommended before ordering to confirm exact application and placement.
What's Included
- One Genuine Cummins 3918613 OEM Plain Hose
Specifications
- Manufacturer: Cummins
- Part Number: 3918613
- Component Type: OEM Plain Hose
- Hose Style: Straight Multi-Application Hose
- Material: OEM-Grade Rubber Construction
- Application: Coolant, Breather, and Fluid Routing Systems
- Engine Family: B-Series / ISB
- Emissions Classification: Tier 3
- Cooling Type: Compatible with Coolant and Breather System Routing
- OEM Replacement: Yes
- Application Type: Industrial, Agricultural, Construction, and Vocational Equipment
Cross Reference Numbers
3918613, CUM3918613, Cummins Plain Hose 3918613
FAQ
What is the Cummins 3918613 hose used for?
The Cummins 3918613 hose is used in various B5.9 and ISB Tier 3 applications for coolant routing, breather systems, and other fluid-transfer functions depending on the engine configuration.
Is the 3918613 a pre-formed hose?
No. The Cummins 3918613 is a straight OEM plain hose designed for flexible use in multiple applications and engine configurations.
Can I replace this hose with a universal aftermarket hose?
While universal hoses may appear similar, genuine Cummins hoses are designed to meet OEM specifications for fit, durability, and long-term reliability.
Should hoses be replaced during regular maintenance?
Yes. Hoses should be inspected regularly and replaced if signs of cracking, swelling, hardening, or deterioration are present to prevent unexpected failures.
How do I verify fitment?
The best method is to verify fitment using your Cummins Engine Serial Number (ESN), as this hose may be used in multiple locations across different engine configurations.
