CUMMINS
CUMMINS 3925860 OEM FUEL INJECTION PUMP RETURN LINE (FUEL DRAIN TUBE) – DODGE 5.9L 12V (1991.5–1993)
(No reviews yet)
Write a Review
- SKU:
- CUM3925860
- MPN:
- 3925860
- Shipping:
- Calculated at Checkout
Description
Genuine Cummins
Cummins 3925860 — Fuel Injection Pump Return Line (VE) / Fuel Drain Tube
MPN: 3925860 | Also Known As: fuel drain tube, VE injection pump return line | Supersedes: 3920888
Why This Part
- ✓ OE-formed steel line for leak-free VE pump return routing.
- ✓ Direct-fit for 1991.5–1993 5.9L 12-valve (VE rotary pump).
- ✓ Includes nut & grommet seal for a clean install.
- ✓ Built to Cummins durability standards.
OE Fit Stock Replacement 1 Per Engine
Quick Specs
| Type | Fuel injection pump return line (VE) / fuel drain tube |
|---|---|
| OE Part # | 3925860 (supersedes 3920888) |
| Includes | Line with nut & grommet seal (sealing washers sold separately) |
| Qty Required | 1 per engine (sold individually) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1991.5–1993 | 5.9L 12-Valve (VE Rotary Injection Pump) | Dodge D/W 250 & 350 (1st Gen) |
Industrial/Off-Highway: Found in 6B5.9 fuel plumbing; always verify by ESN before ordering.
Often Paired With
- 12mm Banjo Sealing Washers: Cummins/Mopar 3963983 × 2 required (sold separately)
- Return line T-fitting (rear block tee, inspect and replace if damaged)
What’s In The Box
- (1) Genuine Cummins Fuel Injection Pump Return Line (3925860)
- Nut & grommet seal included; sealing washers sold separately.
Install Tips
- Routes from the VE pump to the rear block “T” along the tappet cover.
- Use two 12mm sealing washers (3963983) on the banjo bolt; torque to spec.
- Check for chafing/previous kinks; replace washers any time the joint is opened.
FAQ
WILL THIS FIT MY 1991.5–1993 5.9L 12-VALVE?Yes—this is the OE return line for 1st-gen 5.9L with the VE rotary injection pump.
IS THIS THE LINE FROM THE VE PUMP TO THE “T” AT THE BACK OF THE BLOCK?Correct. It’s the pump return line that routes along the tappet cover to the rear block tee.
DOES IT INCLUDE HARDWARE?Includes nut & grommet seal. You’ll need two 12mm sealing washers (3963983), sold separately.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3925860 (supersedes 3920888).
WILL THIS FIT P-PUMP (’94–’98) OR 24V TRUCKS?No—this line is specific to VE-pump ’91.5–’93 trucks. Other years use different routing and parts.
Additional Information
Vehicle Year: |
1991.5,1992,1993 |
Vehicle Make: |
DODGE |
ENGINE: |
5.9L |
Part Type: |
Injection Pump Return Line |
Related Products
Related Products
CUMMINS 3923171 OEM FUEL INJECTION PUMP RETURN LINE (FUEL DRAIN TUBE) – RAM 5.9L 12-VALVE (1994–1998)
CUMMINS
$121.33
Genuine Cummins
Cummins 3923171 — Fuel Injection Pump Return Line / Fuel Drain Tube
MPN: 3923171 | Also Known As: fuel drain tube, injection pump return line | Locat
CUMMINS 3909696 OEM FUEL INJECTOR RETURN MANIFOLD (RETURN LINE) – 5.9L CUMMINS 12V (1989–1993)
CUMMINS
$215.16
Genuine Cummins
Cummins 3909696 — Fuel Injector Return Manifold / Return Line
MPN: 3909696 | Also Known As: fuel return manifold, injector return line | Related/Cros
CUMMINS 4932713 OEM VE FUEL INJECTION PUMP GEAR – RAM 5.9L 12V (1989–1993)
CUMMINS
$523.11
Genuine Cummins
Cummins 4932713 — VE Fuel Injection Pump Drive Gear
MPN: 4932713 | Also Known As: VE pump gear, fuel pump drive gear, timing gear | Cross-
CUMMINS 3905707 OEM VE INJECTION PUMP FUEL RETURN LINE (OVERFLOW/DRAIN) – 5.9L (1989–1991 NON-INTERCOOLED)
CUMMINS
$106.38
Genuine Cummins
Cummins 3905707 — VE Injection Pump Fuel Return Line (Overflow / Fuel Drain Tube)
MPN: 3905707 | Also Known As: fuel drain tube, overflow/return line, injection pump...
CUMMINS 3936691 OEM P7100 FUEL SUPPLY LINE / TUBE – 5.9L 12V (1994–1998)
CUMMINS
$107.00
Cummins 3936691 — Genuine P7100 Fuel Supply Line / Tube (Filter to Pump)
MPN: 3936691 | Also Known As: fuel supply line, fuel feed tube, inlet line (filter → injection pump)...