Product Description
The Cummins 3905707 OEM VE Injection Pump Fuel Return Line is the correct factory-engineered overflow/drain line for early 5.9L Cummins engines. Designed to maintain proper fuel pressure relief and reliable VE pump operation, this genuine Cummins component delivers leak-free performance and long-term durability.
Built to exact OEM specifications, this return line ensures proper VE pump spill port function and prevents aeration issues commonly caused by aftermarket substitutes. If you are restoring or maintaining a First Gen Dodge Ram, this genuine Cummins replacement is the gold-standard solution.
FITMENT
- 1989–1991 Dodge Ram W250 / W350 5.9L Cummins (Non-Intercooled VE Pump Engines)
- Direct replacement for Cummins VE injection pump return/overflow line
CROSS-REFERENCE / RELATED PARTS
- Cummins 3932275 VE Injection Pump Supply Line
- Cummins 3919086 VE Pump Return Banjo Bolt
- Cummins 3904374 VE Pump Feed Banjo Fitting
FAQ
Does this return line fit all VE-pump 5.9L Cummins engines?
No. This line is specific to 1989–1991 non-intercooled VE applications. Later intercooled VE engines use a different routing and line configuration.
Is this a genuine Cummins part?
Yes. This is an OEM Cummins component, not aftermarket.
What symptoms occur when the return line fails?
Fuel leaks, hard starting, inconsistent fuel pressure, and VE pump performance issues.
Does this include fittings?
No. This product is the line only. Fittings are sold separately.
Can this line help correct low fuel pressure complaints?
Yes. A damaged or restricted return line can cause VE pump pressure irregularities.
Specifications for cummins 3905707
| Attribute | Value |
| Brand | Cummins Genuine Parts |
| Part Number | 3905707 |
| UPC | Not specified |
| GTIN | 00689275905707 (estimated, verify if needed) |
| Cross Reference | VE Pump Return Line Assembly |
| E-Codes | Not applicable |
| Shipping Info | Ships via standard ground; small parts packaging |
| Prop 65 | Not applicable |
