The Komatsu SA6D125E-3 and SAA6D125E-3 are 6-cylinder turbocharged diesel engines powering the Komatsu PC400-7 — a large hydraulic excavator widely used in heavy construction, mining, and earthmoving operations worldwide. These high-output engines use a Denso common rail high-pressure fuel pump to pressurize fuel for the injection system, delivering precise fuel metering for clean combustion and reliable performance under demanding load conditions. When the high-pressure pump fails, fuel rail pressure drops — causing hard starts, rough running, power loss, excessive black smoke, or a complete no-start condition, resulting in costly downtime on critical job sites. This remanufactured Denso common rail high-pressure pump is a direct replacement covering 14 cross-reference formats across Komatsu OEM and Denso part numbers, including Komatsu 6156-71-1132 and Denso 094000-0462.

✅ Direct-Fit Compatibility

• Komatsu Engines: SA6D125E-3 series (SA6D125E-3B-7, SA6D125E-3C-7A, SA6D125E-3C-7L, SA6D125E-3D, SA6D125E-3D-MS)
• Komatsu Engines: SAA6D125E-3 series (SAA6D125E-3A-8W, SAA6D125E-3B-8W, SAA6D125E-3G-8M, SAA6D125E-3G-8W, SAA6D125E-3K-8M, SAA6D125E-3K-8W, SAA6D125E-3L-8A, SAA6D125E-3M-8M)
• Komatsu Excavator: PC400-7, PC400LC-7, PC400-7(-50)
• Direct replacement — no modifications required

🔧 Product Highlights

• Professionally Remanufactured: Rebuilt to OEM specifications — worn components replaced, tolerances restored to factory spec
• Denso Common Rail Design: OEM-spec rail pressure delivery for the Komatsu SA6D125E-3/SAA6D125E-3 common rail fuel system
• 14 Cross-Reference Formats: Covers Komatsu OEM (6156-71-1130 through 1133) and Denso (094000-0461, 094000-0462, 094000-0463) in multiple formats
• Broad SA6D125E-3 Coverage: Fits 13 engine variants across SA6D125E-3 and SAA6D125E-3 series in a single part number
• Restores Full Rail Pressure: Eliminates hard starts, power loss, and rough running caused by insufficient fuel rail pressure
• No Dealer Markup: OEM-spec rebuild at competitive pricing

📦 What's Included

• 1 × Remanufactured Denso Common Rail High-Pressure Pump (6156-71-1132 / 094000-0462)

🔑 Key Specs

• Komatsu Part Numbers: 6156-71-1130, 6156-71-1131, 6156-71-1132, 6156-71-1133
• Denso Part Numbers: 094000-0461, 094000-0462, 094000-0463
• Pump Type: Denso common rail high-pressure pump
• Engine: Komatsu SA6D125E-3 / SAA6D125E-3 (6-cylinder turbocharged diesel)
• Condition: Remanufactured
• Fitment: Komatsu PC400-7 / PC400LC-7 / PC400-7(-50) excavators

Please verify your equipment model, engine serial number, and existing pump part number before ordering. Contact us for fitment confirmation if needed.