The Oil Pump for Isuzu 4JB1 / 4JB1T Engine is an OEM-quality replacement part engineered for precise oil flow and reliable lubrication in Isuzu diesel engines. Manufactured from high-grade steel and designed to withstand demanding conditions, this pump ensures smooth and efficient performance across a wide range of operating temperatures.
It maintains proper oil pressure to protect critical engine components from friction and wear, making it an essential part for any engine overhaul or maintenance. Suitable for Isuzu trucks, pickups, and industrial machinery using the 4JB1 and 4JB1T engines.
⚙️ Key Features:
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Engine Compatibility: Isuzu 4JB1, 4JB1T
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OEM-Quality Construction: Ensures perfect fit and consistent pressure output
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High-Precision Gear Mechanism: Guarantees smooth oil circulation
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Durable Steel Housing: Built to withstand high temperatures and heavy use
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Improved Engine Protection: Prevents wear and damage to bearings and pistons
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Direct Bolt-On Replacement: No modification required
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Ideal for Rebuilds and Regular Maintenance
🚘 Compatible Applications:
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Engine Models: Isuzu 4JB1, 4JB1T
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Vehicle Models:
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Isuzu NKR / NHR Trucks
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Isuzu Pickup / ELF
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Compatible with multiple off-road and industrial applications using 4JB1 engines
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Fitment Type: OEM Replacement
Frequently Asked Questions (FAQ)
Is this oil pump compatible with both 4JB1 and 4JB1T engines?
Yes, it fits both naturally aspirated (4JB1) and turbocharged (4JB1T) Isuzu engines.
What vehicles does this oil pump fit?
It is suitable for Isuzu NKR, NHR, and various industrial applications using 4JB1-series engines.
Is this an OEM or aftermarket part?
This is an OEM-quality direct replacement manufactured to original specifications.
Do I need to modify anything for installation?
No, it’s a direct bolt-on replacement and fits perfectly without modifications.
Does it include the gasket or O-ring?
Depending on the supplier, the gasket or O-ring may be included or sold separately.
Related products
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4JB1, 4JG2
Clutch Disc | Isuzu 24T (Isd141U) NHR NKR / 4JB1 / 4JG2
Durable Clutch Disc (24 Teeth – ISD141U) designed for Isuzu NHR and NKR trucks with 4JB1 and 4JG2 engines. Provides smooth power transfer, long service life, and reliable clutch performance for both on-road and off-road applications.
SKU: IEK-538 -
