Premium Quality Lubrication Solutions for Komatsu and Cummins Diesel Engines
When it comes to engine longevity, the oil pump is the heart of your machinery. Our range of 6738-51-1100, 6731-51-1111, and 4939587 oil pumps are engineered to meet or exceed OEM standards, ensuring stable oil pressure for high-load construction and mining operations.
Whether you are performing an engine rebuild, routine overhaul, or emergency maintenance, choosing a trusted Engine Oil Pump Supplier is critical for preventing costly downtime. These units are perfectly matched for Komatsu PC200-7, PC220-7, and Cummins 6BT 5.9 engines.
| Part Number | Alternate PN | Model NO. | Application Engine | Product Name |
|---|---|---|---|---|
| 6738-51-1100 | 6738511100 | Komatsu PC200-7, PC200-8 | S6D102, SAA6D102E | Engine Oil Pump |
| 6731-51-1111 | 6731511111 | Komatsu PC160, GD511A | S4D102, 4D102 | Engine Oil Pump |
| 4939587 | 4939587 | Case IH, Cummins B Series | 6BT 5.9, ISB, QSB | Engine Oil Pump |
| 3937404 | 3937404 | Cummins C Series, Dongfeng | 6CT 8.3, 6CTA | Engine Oil Pump |
| 4935792 | 4935792 | Cummins ISL, QSL9 | L8.9, ISL9 | Engine Oil Pump |
Shipping & Logistics:
Payment Terms: T/T, Western Union, MoneyGram
Delivery Methods: Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight
Condition: Brand New, OEM Standard Replacement
Stock Status: In Stock / Fast Dispatch within 24-48 Hours
MOQ: 1 Piece
Packaging: Industrial Export Packing for Global Transit
| Feature | Our Replacement (OEM Std) | Common Aftermarket | Procurement Benefit |
|---|---|---|---|
| 1. Material Quality | High-strength cast iron & hardened gears | Standard recycled alloy | Longer service life in harsh environments |
| 2. Flow Precision | Factory calibrated flow rate | Variable flow, unstable pressure | Protects crankshaft and camshaft bearings |
| 3. Sealing Integrity | Precision ground mating surfaces | Rough finish, prone to leaks | Zero leakage, maintains system pressure |
| 4. Compatibility | 100% Match for 6738-51-1100 / 4939587 | Universal fit (often requires mod) | Plug-and-play installation, low labor cost |
| 5. Testing | 100% Pressure tested before dispatch | Batch tested or no test | Reduces risk of premature engine failure |
| 6. Price vs Value | Competitive pricing with 1-year warranty | Cheapest price, no support | Higher ROI for fleet owners |
Look for low oil pressure warnings on the dashboard, increased engine temperature, and metallic ticking noises. These often indicate worn pump gears or a clogged pickup screen. Immediate replacement is required to avoid engine seizure.
Our units feature an OEM-standard tri-metal structure and are trusted by repair shops and equipment fleets worldwide for their durability during engine overhaul and maintenance cycles.
Insufficient lubrication leads to rapid wear of the piston rings, cylinder liners, and crankshaft. Using our high-quality replacement ensures the engine lubrication system operates within factory parameters.
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
Direct Support & Fast Quote:
Contact via WhatsApp: +8613532379052Please fill out the form below to get a customized quote for your specific engine needs.
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