6251-71-1121(2) 6251-71-1121(1) 6251-71-1121 (2)

6251-71-1121 INJECTION PUMP for KOMATSU WA480 PC400

6251‑71‑1121 INJECTION PUMP is a high‑precision common‑rail fuel supply component designed for Komatsu SAA6D125E diesel engine fitted on PC400 excavator and WA480 wheel loader. Constructed with high‑rigidity cast‑alloy housing and hardened precision internal elements, it delivers accurate fuel metering and stable high‑pressure injection. It maintains reliable power performance and better fuel economy under harsh mining and construction‑site operating conditions.

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ItemSpecification
Product NameINJECTION PUMP
Part Number6251‑71‑1121
BrandKomatsu
Machine ModelWA480, PC400
Weight15.1kg
MaterialPrecision‑cast aluminum housing, high‑grade alloy‑steel plungers and camshaft, hardened precision‑machined pump elements with corrosion‑resistant coating
ConditionBrand New – Genuine
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock

Features & Benefits

  • OEM high‑pressure common‑rail fuel injection pump built for Komatsu SAA6D125E diesel engine
  • Precision cast‑alloy housing combined with hardened steel plungers, delivery valves and solenoid valve assemblies
  • Provides accurate fuel metering and stable high‑pressure fuel delivery to optimize combustion efficiency
  • Factory‑calibrated injection timing adapts to fluctuating loads for excavators and wheel loaders
  • Excellent anti‑vibration and dust‑resistant performance for long‑hour operation on construction and mine sites
  • Improves cold start‑up performance, lowers fuel consumption and reduces black smoke emissions
  • Exact OEM mounting dimensions for direct replacement during engine overhaul and field maintenance
  • Full pressure‑performance calibration and function testing completed before shipment

Compatible Machine This injection pump is compatible with:

  • Komatsu SAA6D125E Diesel Engine
  • Komatsu PC400 Series Hydraulic Excavator
  • Komatsu WA480 Series Wheel Loader

If you’re unsure whether this injection pump matches your machine, simply provide your machine serial number (PIN) or engine serial number, and our technical team will verify compatibility before shipment.

Applications The 6251‑71‑1121 injection pump acts as a core fuel‑system component for Komatsu SAA6D125E engine, widely used in heavy‑duty working scenarios:

  • Open‑pit mining excavation and ore‑loading operations
  • Quarry heavy‑digging and bulk material handling
  • Large‑scale infrastructure construction projects
  • Long‑cycle high‑load continuous operation of excavators and wheel loaders
  • Complete engine overhaul and worn fuel‑system component replacement

Precise fuel injection ensures stable engine power output, reduces mechanical failure rate and prevents unplanned equipment downtime.

Why Choose YLCM? YLCM specializes in supplying genuine Komatsu, OEM and premium aftermarket spare parts for construction and mining machinery worldwide. We provide:

  • Genuine Komatsu spare parts including diesel injection pump assemblies
  • High‑quality aftermarket replacement components with strict pre‑shipment inspection
  • Competitive factory‑direct pricing without middleman markup
  • Fast worldwide delivery options
  • Standard professional export‑grade packaging
  • Pre‑sales part‑number verification and after‑sales technical support
  • Extensive export experience serving customers in Russia, Southeast Asia, the Middle East, Africa, and South America

In addition to injection pumps, we also supply hydraulic parts, undercarriage parts, engine components, electrical parts, filters, and a full range of Komatsu replacement parts.

Packaging & Shipping Every 6251‑71‑1121 Injection Pump is professionally packed to ensure safe international transportation. Packaging options include:

  • Anti‑rust treatment & moisture‑proof protection
  • Shock‑absorbing inner padding to protect precision internal pump elements
  • Export‑standard solid wooden crate
  • Sea freight
  • Railway transportation
  • Multimodal logistics solutions

Each injection pump is securely fixed inside the crate to avoid vibration impact and damage to precision internal components during long‑distance transit, ensuring arrival in excellent condition.

Request a Quote Looking for the 6251‑71‑1121 Injection Pump for Komatsu WA480 PC400? Contact YLCM today to receive:

  • Latest quotation
  • Delivery lead time
  • Packing details
  • Shipping solution
  • Technical support
  • OEM part verification

Our experienced sales team will respond promptly with a competitive quotation and professional service tailored to your project requirements.

Frequently Asked Questions

  • Q: Is this a genuine Komatsu part? A: We can supply both genuine Komatsu original and high‑quality aftermarket versions for 6251‑71‑1121, to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
  • Q: How do I confirm this part is correct for my machine? A: To ensure perfect compatibility, please provide your engine serial number (E/S), machine serial number (S/N), or the original part number to our team. We will verify the match for you promptly.
  • Q: What is the warranty on this product? A: This product comes with a standard 6‑month warranty against manufacturing defects.
  • Q: What is the typical shipping time? A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote, based on your destination and shipping method preference.