Product Description
Cummins 3918613 — Plain Hose (B5.9 / ISB Tier 3)
MPN: 3918613 | Also Known As: plain hose, transfer hose | Use: OEM replacement hose primarily for Tier 3 B5.9 / ISB applications (verify by ESN)
Why This Part
- ✓ Genuine Cummins hose for proper routing, fit, and durability.
- ✓ Engineered for Tier 3 B5.9/ISB industrial/off-highway platforms.
- ✓ Direct OE replacement—ideal when correcting wear, abrasion, or swelling.
- ✓ Helps maintain reliable fluid transfer and system integrity.
Quick Specs
| Type | Plain hose (OE replacement) |
|---|---|
| OE Part # | 3918613 |
| Primary Platform | B5.9 / ISB (Tier 3) — industrial/off-highway |
| Qty Required | As needed per system routing (sold individually) |
Verified Fitment
| Year Range | Engine | Platform |
|---|---|---|
| Tier 3 era (approx. 2006–2011) | B5.9 / ISB (Industrial) | Off-highway / genset / equipment (verify by ESN) |
| Varies | Automotive (Ram) | Not a typical VIN-specific service part; confirm routing & diameter |
Note: Cummins describes 3918613 as a plain hose used primarily on Tier 3 B5.9 engines. Always confirm by ESN and hose path before ordering.
Often Paired With
- OE clamps/fittings to match the hose OD and routing
- Protective sleeving where abrasion or heat shielding is required
- Fresh coolant/oil if the serviced circuit was opened
What’s In The Box
- (1) Genuine Cummins Plain Hose (3918613)
- Clamps/fittings sold separately
Install Tips
- Match ID/OD and bend profile to the original hose; trim only if specified by Cummins procedure.
- Use correct clamps and torque; avoid kinks and chafe points.
- Pressure-test the circuit after installation; recheck for seepage on heat cycle.
FAQ
IS 3918613 A DIRECT-FIT PART FOR RAM TRUCKS?Not typically. Cummins classifies 3918613 as a plain hose used primarily on Tier 3 B5.9/ISB industrial platforms. For automotive applications, verify by VIN/ESN and hose routing before ordering.
WHAT DOES “PLAIN HOSE” MEAN?It’s an OEM replacement hose (non-molded) used for fluid transfer in specific circuits. Length/ID and routing are application-dependent.
HOW DO I CONFIRM FITMENT?Use your Cummins Engine Serial Number (ESN) to check the parts catalog, then confirm the hose’s ID/OD, length, and path against the original.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3918613.
WHAT CLAMPS SHOULD I USE?Use OE-style clamps sized to the hose OD. Replace any clamp that shows corrosion, deformation, or loss of spring tension.
