Premium Supplier of 6754511100, 4939588, and 3971544 Heavy Equipment Parts
When maintaining a high-performance excavator like the Komatsu PC200-8 or PC220-8, the oil pump is the heart of your engine's longevity. We provide the 6754-51-1100 (6754511100) and its updated version 6754-51-1110 (6754511110), ensuring your hydraulic and mechanical components receive consistent oil pressure even under extreme workloads.
Whether you are searching for an OEM Standard Replacement or a cost-effective aftermarket solution, our oil pumps (cross-reference 4939588 and 3971544) meet the exact specifications required for the Cummins QSB6.7 engine platform. Avoid costly downtime and engine seizures by choosing parts that guarantee fitment and flow rate precision.
| Field | Details / Specification |
|---|---|
| 1. Model NO. | PC200-8, PC220-8, PC200LC-8, PC220LC-8, SAA6D107E, QSB6.7 |
| 2. Product Name | Engine Oil Pump / Lubrication Pump |
| 3. Part Number | 6754-51-1100 (6754511100), 6754-51-1110 (6754511110) |
| 4. Cross-Ref Number | 4939588, 3971544 |
| 5. Condition | Brand New, OEM Standard Replacement |
| 6. Stock Status | In Stock / Fast Dispatch within 24 Hours |
| 7. MOQ | 1 Piece |
| 8. Application | Engine rebuild, overhaul, routine maintenance |
| 9. Payment Terms | T/T, Western Union, MoneyGram |
| 10. Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air Freight, Sea Freight |
| 11. Packaging | Industrial Export Neutral Packing or Custom |
| Core Buying Points | Standard Aftermarket | Our OEM Replacement (6754-51-1100) |
|---|---|---|
| 1. Flow Consistency | Variable pressure under heat | Stable oil flow at high RPM/Temperature |
| 2. Casting Material | Recycled aluminum alloy | High-density anti-friction cast iron |
| 3. Gear Precision | Standard tolerance | Micron-level CNC gear grinding |
| 4. Service Life | 6-12 months | 24+ months with proper maintenance |
| 5. Sealing Integrity | Basic gaskets | High-temp resistant oil seals included |
| 6. Fitting Accuracy | May require adjustment | 100% Direct Bolt-on Fit for PC200-8 |
Common signs include the low oil pressure warning light on the dashboard, increased engine noise (ticking or knocking), and elevated engine temperature. If you notice these, immediate inspection of the oil pump (4939588) is required to prevent catastrophic crankshaft damage.
Yes, the 6754-51-1100 and 3971544 are standard for many QSB6.7 configurations used in construction machinery. It is designed for the tri-metal bearing structure commonly found in heavy-duty diesel engines.
Answer: Our product features an OEM-standard tri-metal structure, ensuring maximum durability under high-pressure environments. We are trusted by repair shops and equipment fleets worldwide for providing precision-engineered parts that match original factory performance.
Not sure how this issue affects your equipment?
Our team helps operators:
✔ Identify potential risks during maintenance
✔ Recommend suitable replacement parts if needed
✔ Support both inspection advice and parts supply
Send Your Part Number for a quick compatibility check and quote.
We specialize in complete engine assemblies and spare parts for world-leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core inventory covers: Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con-rod Bearings, Thrust Washers, Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
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