Fuel Feed Pump 092100-1540 0921001540 For Mitsubishi Engine 4D32 / CAT Excavator E70 E70B — OEM Denso Low-Pressure Supply Pump
| OEM Part Number: | 092100-1540 / 0921001540 | Part Name: | Fuel Feed Pump / Low-Pressure Supply Pump |
| Engine Compatibility: | Mitsubishi 4D32 Diesel | Equipment Compatibility: | CAT Excavators E70, E70B |
| Pump Type: | Mechanical Low-Pressure Feed Pump | Condition: | Brand New — 100% Quality Inspected |
| Warranty: | 12 Months | ||
| High Light: | Fuel feed pump for Mitsubishi 4D32 engine,Low-pressure supply pump for CAT excavator E70,OEM Denso fuel pump with warranty |
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The Fuel Feed Pump (Low-Pressure Supply Pump) with OEM number 092100-1540 (also listed as 0921001540) is a verified OEM-grade replacement for Mitsubishi 4D32 diesel engines. Manufactured by Denso to stringent OEM specifications, this mechanical pump is a critical component of the diesel fuel system.
- OEM Specification — Verified by Denso manufacturer branding and OEM part numbers 092100-1540, 0921001540, ME703397
- Proven Durability — Built with wear-resistant materials by Denso to withstand continuous operation
- Installation Success Rate — 99% direct bolt-on fitment for compatible Mitsubishi 4D32 engine applications
- OEM Cross-Reference Verified — Replaces 092100-1540, 0921001540, ME703397
| Part Number: | 092100-1540 0921001540 | Product Name: | Fuel Feed Pump |
| Car Model: | Mitsubishi | Engine Model: | Mitsubishi 4D32 |
| Condition: | 100% Brand New | Size: | Standard |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
If your fuel feed pump is failing, you may experience one or more of the following symptoms:
- Hard Starting / Extended Cranking: Engine takes longer than normal to start due to insufficient fuel pressure reaching the injection pump
- Loss of Engine Power: Significant reduction in power and acceleration, especially under load
- Engine Stalling / Rough Running: Intermittent stalling or rough idle due to inconsistent fuel supply
- Frequent Need for Priming: Pump does not build sufficient firmness, or you frequently need to bleed air from the fuel system
- Visible Fuel Leakage: Fuel seeping from the pump body indicates worn internal seals
| Brand | Model / Engine | Application | Notes |
|---|---|---|---|
| Mitsubishi | Engine 4D32 | Industrial / Agricultural / Automotive | Primary application |
| CAT | Excavators E70, E70B | Construction Equipment | Compatible |
- This fuel feed pump is designed for Mitsubishi 4D32 diesel engines and CAT E70/E70B excavators
- This is a mechanical low-pressure feed pump that supplies fuel to the main injection pump — not an electric in-tank pump
- The ME703397 is a cross-reference number used in some Mitsubishi parts catalogs
- Please verify your engine model, equipment model, and original pump part number before ordering
Guarantees factory-fit quality and performance — verified by Denso manufacturer branding and OEM part numbers
Delivers reliable, consistent fuel flow without reliance on electrical systems
Provides extended service life under continuous operation
No modifications required — engineered as a direct match for the original pump
Guarantees zero wear, immediate fuel delivery, and full service life
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify all mounting points and sealing surfaces match OE blueprint specifications |
| Fuel Flow Rate Test | Bench testing to verify fuel delivery volume meets OEM specifications for 4D32 engines |
| Pressure Test | Pressure testing to verify output pressure meets OEM specifications |
| Seal Integrity Test | 100% leak test to guarantee zero fuel leakage |
| Durability Cycle Test | 500+ hour fatigue testing to verify long-term reliability |
| Final Assembly Inspection | 100% visual and functional inspection before packaging |
Pre-Installation Checklist:
- Ensure the engine is cool before starting work
- Depressurize the fuel system before disconnecting fuel lines
- Clean the area around the pump to prevent contamination
- Inspect fuel lines for cracks or damage — replace if necessary
Installation Guidelines (Reference Mitsubishi workshop manual):
- Disconnect the negative battery terminal
- Depressurize the fuel system
- Disconnect the fuel inlet and outlet lines from the old pump
- Remove the mounting bolts securing the pump to the engine
- Remove the old pump assembly
- Clean the mounting surface thoroughly
- Install the new pump with a new gasket (if applicable)
- Torque mounting bolts to manufacturer's specified torque settings
- Reconnect fuel lines securely
- CRITICAL: Prime the fuel system by operating the priming pump until fuel flows free of air bubbles
- Start the engine and check for fuel leaks
- Check for proper fuel flow and engine operation
Maintenance Schedule:
- Inspection: Every 500 hours of operation or during routine fuel system service. Check for fuel leaks, hard starting, or loss of power
- Replacement: Immediately if failure symptoms appear
- Note: The 4D32 engine's mechanical injection system is known for its simplicity and reliability, but the fuel feed pump should be replaced proactively to prevent fuel system issues
- Packaging: Each fuel feed pump is securely packed in protective packaging to prevent shipping damage
- Warranty: 12 months
- Suitable for: Wholesale distributors, engine rebuild shops, construction equipment service centers, and fleet owners
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