Product Description
The Cummins 3918613 OEM Plain Hose is a genuine, multi-application hose used across B5.9 and ISB Tier 3 engine platforms for fluid or breather routing depending on the specific installation. Designed with OEM-grade heat, pressure, and chemical resistance, this hose maintains durability and leak-free operation in demanding diesel environments. For Tier 3 industrial, agricultural, and vocational equipment, this genuine Cummins hose ensures proper function and compatibility compared to universal aftermarket hose options.
Because Cummins uses the 3918613 hose in multiple B-Series and ISB Tier 3 configurations, this part is commonly replaced during cooling system service, crankcase breather service, or general hose refresh intervals.
Fitment
- B5.9 Cummins (Automotive & Industrial Variants)
- ISB Tier 3 Engines (5.9L)
- Vocational, Construction, Agricultural, and Off-Highway Equipment Using 3918613 Hose
Note: Because Tier 3 engines vary by OEM equipment manufacturer, ESN verification is recommended for exact placement and function of this hose on your engine.
Cross-Reference (Cummins-Only)
Related Cummins components used during hose/cooling/breather system service:
• Cummins 3915787 OEM Threaded Plug – Oil Filter Housing
• Cummins 3909395 OEM Spring Hose Clamp
• Cummins 3900267 OEM Tappet Cover Bolt Grommet Seal
FAQ
What systems use the Cummins 3918613 hose?
This hose is used in B5.9 and ISB Tier 3 engines for coolant routing, breather lines, or other fluid connections depending on the specific equipment configuration.
Is this hose pre-formed?
No. The 3918613 is a plain, straight OEM hose designed for flexible use in multiple applications.
Do I need special clamps for this hose?
Standard Cummins spring clamps or worm-drive clamps are typically used. Reference your OEM equipment manual or use Cummins-approved clamps such as 3909395.
Is this hose compatible with coolant?
Yes — it is designed for coolant, oil mist, and diesel-safe applications depending on the engine configuration. Always confirm routing via ESN.
Should I replace hoses during regular maintenance?
Yes. Cummins recommends replacing hoses periodically or whenever signs of cracking, swelling, or softening appear.
Specifications for cummins 3918613
| Specification | Value |
|---|---|
| Brand | Cummins Genuine Parts |
| Part Number | 3918613 |
| Component Type | Plain Hose – Multi-Application |
| UPC | Not Published |
| GTIN | Not Published |
| Cross Reference | Used in various coolant/breather/oil galley routing applications on B-Series and ISB Tier 3 engines |
| E-Codes | Tier 3 ISB Emissions Class |
| Shipping Weight | 0.15 lbs |
| Package Dimensions | 6 x 2 x 2 in |
| Prop 65 Warning | Not Applicable |
