Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department
| Engine Code | 4JK1, 4JK1-TC, 4JJ1 (interchangeable) |
| Quality Standard | OEM Equivalent |
| Fuel Type | Diesel |
| Product Type | Engine Oil Pump Assembly |
| Condition | Brand New Aftermarket |
| OEM Part Numbers | 8981281340, 8982326241, 8974363921, 9890537770 |
| Model Number | 4JK1 |
| Place of Origin | China |
| Brand Name | Isuzu |
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Product Specification
| Engine Code | 4JK1, 4JK1-TC, 4JJ1 (interchangeable) | Quality Standard | OEM Equivalent |
| Fuel Type | Diesel | Product Type | Engine Oil Pump Assembly |
| Condition | Brand New Aftermarket | OEM Part Numbers | 8981281340, 8982326241, 8974363921, 9890537770 |
| Model Number | 4JK1 | Place of Origin | China |
| Brand Name | Isuzu | ||
| High Light | Replacement 4JK1 Oil Pump ，Isuzu Engine 4JK1 Oil Pump ，8981281340 4JK1 Oil Pump | ||
Upgrade your Isuzu engine with our premium 4JK1 oil pump, engineered to exact OEM specifications for reliable lubrication performance. Compatible with Isuzu D-Max, MU-X, and NPR light trucks equipped with the 2.5L 4JK1-TC diesel engine, this replacement oil pump restores proper oil pressure and prevents premature engine wear. Direct interchange with OEM part numbers 8981281340, 8982326241, and 8974363921.
Replace your oil pump immediately if you notice any of these warning signs:
Professional installation recommended. When replacing the 4JK1 engine oil pump, always prime the pump with clean engine oil before first startup. Pair with a new oil filter and fresh 15W-40 diesel engine oil for best results. Typical installation time: 2–3 hours.
Q1: What is the OEM part number for a 4JK1 oil pump?
The primary OEM part numbers for the Isuzu 4JK1 oil pump are 8981281340 and 8982326241. Earlier versions may also cross-reference to 8974363921 or 9890537770. All our pumps are manufactured to match these original specifications exactly. Some regional engine variants may use 8973859850 or 8983208637
Q2: Is this oil pump compatible with all Isuzu 4JK1 engines?
A: It is designed for most Isuzu 4JK1 diesel engines. Please confirm your engine serial number or OEM part number before ordering.
Q3: Is this oil pump brand new?
A: Yes. Every oil pump is brand new and manufactured according to OEM replacement standards.
Q4: How is product quality ensured?
A: Each oil pump undergoes dimensional inspection, performance testing, and final quality inspection before shipment.
Q5: Can you supply other 4JK1 engine parts?
A: Yes. We also supply crankshafts, overhaul kits, gasket kits, pistons, piston rings, cylinder liners, bearings, connecting rods, cylinder heads, camshafts, water pumps, and other engine components.
Q6: Do you provide OEM and private label services?
A: Yes. We offer customized branding, OEM manufacturing, and private label packaging.
Q7: What warranty do you offer?
A: We provide a 6-month warranty against manufacturing defects under normal operating conditions.
Q8: Do you ship internationally?
A: Yes. We exports engine parts worldwide via sea freight, air freight, and express delivery.
Company Details
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Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu... Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu...
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