| Model | OE Number | Compatible / Key Features |
| V348 2.4 Oil Pump | 7C19-6600-AB | V348 2.4L engines; efficient lubrication & cooling |
| VM R425 Oil Pump | 1011100RAA | Jeep/Chrysler/Maxus; reliable gear pump |
| D-MAX & NLR85 Oil Pump | 8982326241 | 4JJ1/4JKR-T engines; stable diesel oil pressure |
| ISUZU 600P 4KH1 Oil Pump | 8973699880 | 600P/NKR/NPR; high-temp & pressure resistance |
| OE Quality 4JB1 Oil Pump | 8973859850 | 4JB1/NKR; OEM-quality, anti-wear gears |
ISUZU oil pumps are made from high-strength, high-temperature-resistant metals, ensuring endurance and consistent performance in diesel engine settings.
Key material and manufacturing features:
High-temperature resistant alloys (up to 200°C)
Precision-cast aluminum and steel components
Optimized for lubricating oils (not suitable for corrosive or low-flash-point fluids)
Tailored flow rates and pressure for 4HK1, 6HK1, and other Isuzu diesel engines
When selecting an ISUZU oil pump, consider the following factors:
Engine model and displacement
Diesel engine compatibility
OEM or aftermarket replacement requirements
Oil flow rate and pressure performance
Product quality and manufacturing standards
Maintenance and long-term operating cost
Choosing the correct oil pump helps reduce engine wear, prevent oil pressure issues, and extend engine service life.
Preparation
Ensure the oil pump and installation area are clean and free from dust or debris.
Removal of the Old Oil Pump
Remove the old oil pump by reversing the original installation sequence and loosening the mounting bolts.
Inspection Before Installation
Check the new oil pump for damage, abnormal wear, or foreign matter.
Installation of the New Oil Pump
Install the oil pump according to ISUZU engine specifications and tighten all bolts securely.
Leak Inspection
After installation, inspect for oil leakage around the pump housing and seals.
Oil Refilling
Refill the engine with the recommended grade and quantity of engine oil.
Engine Start-Up & Oil Pressure Check
Start the engine and confirm that oil pressure is within the normal operating range.
Always follow ISUZU engine service guidelines or consult professional technicians when installing oil pumps.
OEM-Quality Standards — Exact match to original Isuzu specifications
Superior Durability — Built with high-grade aluminum alloys and heat-resistant materials
Rigorous Testing — Every pump inspected for zero leaks and consistent oil pressure
Wholesale Advantages — Volume discounts, flexible MOQ, and reliable factory-direct supply
Expert Support — Technical assistance and after-sales service for distributors worldwide
It circulates engine oil to lubricate internal components, reduce friction, and maintain proper oil pressure.
Most common: 4JB1, 4HK1, 4KH1, 6HK1, D-MAX, NLR85, 600P. Send your model for confirmation.
You can confirm by engine model, OE number, or by contacting our technical support team.