104641-8132 NP-VE4/11F1150RNP2622 Diesel Fuel Injection Pump for MITSUBISHI S4S

104641-8132 diesel fuel injection pump for MITSUBISHI S4S

104641-8132 diesel fuel injection pump is an aftermarket replacement listed for MITSUBISHI S4S. This product page is organized around the complete part number and pump code so repair shops, parts buyers and equipment owners can compare the replacement with the unit removed from the engine. Browse the Rayfuel fuel injection pump category for related diesel pump options.

Product identification

When reviewing 104641-8132 diesel fuel injection pump, use every identifier visible on the original pump. A similar housing does not prove compatibility because rotation, calibration, shaft design, flange pattern, throttle linkage, fuel ports and electrical connections may differ between applications.

• MPN: 104641-8132
• Complete pump code: NP-VE4/11F1150RNP2622
• OE / cross-reference numbers: 104641-8132
• Listed application: MITSUBISHI S4S
• Product type: Mechanical diesel fuel injection pump

Part numbers with punctuation removed or added may describe the same reference, while a changed letter, direction mark or calibration suffix can identify a different pump. Compare the full line on the nameplate rather than matching only the first digits. If the plate is worn, compare clear photos of both sides, the drive end and the connector or linkage arrangement.

Application and fitment checks

The application shown for MITSUBISHI S4S is a useful starting point, but vehicles and machines can use different fuel systems across model years, engine variants and regional specifications. Confirm the engine code and any equipment serial information available. Also compare the mounting flange, drive shaft, keyway or gear arrangement, outlet count, governor layout and fuel inlet and return positions.

Do not rely on appearance alone. Two pumps can share a general VE-style shape while using different timing, delivery quantity or control components. A complete number match provides a more reliable basis for ordering than a partial model description.

Mechanical diesel injection pump function

A mechanical diesel injection pump meters and distributes fuel in relation to engine timing and operating demand. The pump works with the drive system, governor or control linkage, delivery valves, injectors and fuel supply circuit. Correct calibration and clean fuel are important because internal clearances are small. Air ingress, contaminated fuel, restricted filters or incorrect timing can produce symptoms that resemble a pump fault.

Installation and fuel-system preparation

Installation should be completed by a qualified diesel technician familiar with the engine timing procedure. Protect every open port from dirt, inspect the tank and supply lines, replace contaminated filters and use clean diesel fuel. Follow the equipment manufacturer’s instructions for locking, timing, mounting torque, bleeding and initial start-up. Never force the shaft, gear or flange into position.

Before fitting the replacement, identify the cause of the original failure. Installing a pump into a contaminated system can damage the replacement and other fuel components. Check the injectors and return circuit when the service history or contamination level is uncertain.

Before you order

Please confirm OE number, engine model or old part photos before ordering. Use the complete MPN, pump code and application together. If any suffix, connector, flange, shaft or linkage detail differs, request a fitment review before payment.

1. Photograph the original nameplate and complete pump.
2. Compare the full part number and pump code character by character.
3. Confirm the engine or machine model and mounting arrangement.
4. Send the information through the Rayfuel contact page when confirmation is needed.