Product Description
Cummins 3903575 — Genuine Fuel Shutoff Solenoid for VE Pump (5.9L 12V)
MPN: 3903575 | Also Known As: fuel shut-off solenoid, FSS, stop solenoid | Cross-Refs (ID only): Bosch 0330001015, Mopar 4429575, PAI 180236
Genuine Cummins fuel shutoff solenoid designed for Bosch VE rotary injection pumps on 1989–1993 5.9L 12-valve Dodge/Ram trucks. Restores factory start/stop control of the VE pump. Includes solenoid assembly; hardware as shown.
Features & Benefits
- OE actuation for reliable start/stop of fuel delivery on VE pumps.
- Direct-fit replacement on 1989–1993 5.9L 12V Cummins (VE rotary pump).
- 12V automotive application with correct plunger travel for VE shutoff.
- Prevents run-on/ no-start issues caused by weak or failed solenoids.
- Built to Cummins standards for long service life and proper sealing.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1993 | 5.9L 12V Cummins (VE pump) | Dodge/Ram 2500 & 3500 |
Industrial/Off-Highway: Used on select B3.3/QSB3.3 and other VE-equipped applications; verify by ESN and voltage (12V vs 24V) before ordering.
Compatibility Notes:
- Automotive 1989–1993 trucks are 12V systems. Some industrial machines use 24V—match voltage to your system.
- Designed for Bosch VE rotary pumps (not P7100/VP44/CP3).
- Inspect wiring, relay, and ignition feed if intermittent operation persists after replacement.
Specifications
- Type: Fuel shutoff (stop) solenoid for VE rotary injection pump
- OE Part Number: 3903575
- Voltage: 12V (automotive)
- Includes: Solenoid assembly; plunger/spring as supplied by manufacturer
- Cross-References (ID only): Bosch 0330001015, Mopar 4429575, PAI 180236
Often Paired With
- VE pump top cover gasket (if removed during service)
- Fuel shutoff solenoid relay/connector (inspect/replace if heat-damaged)
- Battery & charging check (low voltage can cause weak actuation)
What’s In The Box
- (1) Genuine Cummins Fuel Shutoff Solenoid (3903575)
Installation Tips
- Disconnect batteries before service. Note plunger/spring orientation if equipped.
- Verify clean, fused 12V supply and proper ground. Check actuation by key-on test.
- After install, confirm engine shuts off cleanly and restarts consistently.
FAQ
WILL THIS FIT MY 1989–1993 5.9L 12-VALVE CUMMINS?
Yes—3903575 is the OE fuel shutoff solenoid for 1989–1993 Dodge/Ram 5.9L (VE rotary pump). Confirm by VIN/ESN if unsure.
IS THIS SOLENOID 12V OR 24V?
Automotive 1989–1993 trucks use 12V. Some industrial applications use 24V—always match voltage to your system.
WHAT SYMPTOMS POINT TO A BAD FUEL SHUTOFF SOLENOID?
No-start, engine run-on after key-off, or intermittent stalling when the solenoid coil weakens or wiring/relay fails.
DOES THIS WORK WITH P7100/VP44/CP3 PUMPS?
No—this part is for Bosch VE rotary pumps only.
IS THIS A GENUINE CUMMINS PART?
Yes—OE Cummins 3903575 for proper fit and reliability.
