Skip to product information
1 of 3

Komatsu 6211-51-1000 Engine Oil Pump | Fits S6D140 SA6D140

Komatsu 6211-51-1000 Engine Oil Pump | Fits S6D140 SA6D140

In Stock & Ready for Global Express Dispatch

Request a Quick Quote

✓ Premium Komatsu Quality Spec  |  ✓ 100% Direct Fit  |  ✓ Fast Global Shipping

Heavy-duty engine lubricating oil pump assembly engineered as a direct OEM-compatible replacement for Komatsu part number 6211-51-1000 (6211511000). Precision-manufactured to exact Komatsu metallurgical and fluid dynamic standards, this high-performance engine oil pump ensures reliable oil lubrication, precise oil pressure regulation, and maximum thermal protection for Komatsu 140 series diesel engines operating under extreme continuous workloads.

Product Highlights

  • Part Number: Komatsu 6211-51-1000 / 6211511000
  • Direct Fit OEM Replacement: Mounting bolt pattern, drive gear engagement, oil gallery alignment, and internal relief valve set points strictly align with original Komatsu factory specifications for seamless drop-in installation.
  • Heavy-Duty Precision Construction: Features high-strength alloy iron housing and hardened steel drive gear assemblies engineered to withstand extreme engine oil temperatures, high pressure, and heavy torsional stress.
  • Optimal Engine Lubrication & Cooling: Delivers consistent oil pressure and high volumetric flow to protect engine crankshaft bearings, camshafts, pistons, and turbochargers from friction wear and thermal breakdown.

Technical Specifications

Parameter Specification
Part Number 6211-51-1000 / 6211511000
Equipment Brand Komatsu
Component Type Engine Lubricating Oil Pump Assembly
Engine Compatibility Komatsu S6D140-1, SA6D140-1, SA6D140E-2, SAA6D140E-2
Warranty 12 Months Warranty

Compatible Engine Models & Equipment

This premium replacement engine lubricating oil pump is precision-engineered for the following Komatsu diesel engines and heavy equipment platforms:

  • Komatsu Engine Models: S6D140-1, SA6D140-1, SA6D140E-2, SAA6D140E-2
  • Komatsu Excavators: PC650-3, PC650-5, PC650LC-3, PC650LC-5, PC710-5, PC1600-1
  • Komatsu Wheel Loaders: WA500-1, WA500-3

Key Applications

  • Engine Overhaul & Maintenance: Ideal replacement for worn, degraded, or low-pressure factory oil pumps during major engine overhauls or scheduled preventive repairs.
  • Oil Pressure Restoration: Eliminates dangerous oil pressure drops at low idle, preventing engine bearing starvation, rod knock, and catastrophic engine failure.
  • Engine Protection: Ensures rapid oil circulation during cold starts and stabilizes operating temperatures during continuous heavy digging and loading.

Why Choose Our Komatsu Engine Replacement Parts?

  • ISO Certified Production: Manufactured under strict ISO 9001 quality system guidelines and 100% factory flow and pressure regulation tested before shipment.
  • Cost-Effective Aftermarket Solution: Factory-direct pricing delivering OEM-level durability, oil flow, and long service life without expensive dealer markups.
  • Global Express Shipping: Fully stocked for rapid international air shipment to minimize machine downtime on construction and mining sites.
  • Dependable Warranty: Supported by a full 12-month quality warranty with dedicated technical assistance from diesel engine hydraulic and mechanical specialists.

Frequently Asked Questions (FAQ)

Q: Is this engine oil pump a direct replacement for Komatsu part number 6211-51-1000?

A: Yes, this engine oil pump assembly is a 100% direct replacement engineered to match original Komatsu mounting dimensions, gear specifications, and oil pressure profile for 6211-51-1000 (6211511000).

Q: Will this oil pump fit my S6D140-1 or SAA6D140E-2 engine?

A: Yes, it is fully compatible with Komatsu S6D140-1, SA6D140-1, SA6D140E-2, and SAA6D140E-2 engines installed on excavators like PC650-3/5 and wheel loaders like WA500-1/3.

Q: What is covered under the 12-month warranty?

A: Our 12-month warranty covers material defects, housing cracking, drive gear wear, shaft failure, and internal oil pressure regulation failure under standard operation.

Q: How fast can this engine oil pump be delivered?

A: In-stock engine oil pumps are usually dispatched within 3–5 business days, with worldwide air express options available for urgent overhaul projects.


Explore our full range of heavy equipment engine oil pumps:
View All Engine Oil Pumps »

Need a Quote for Komatsu 6211-51-1000 Oil Pump?

Contact us today for factory-direct pricing, stock confirmation, and fast international shipping options.

Request a Quote

📧 Request a Quote View full details