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)

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.

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.