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{"title":"ISUZU NPR 4HG1 TURBO CHARGER ASM 8973267520 704136-0003 8972083520","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/ea\/f9c869f0e686c77a889c17a84b86-200x200-1\/isuzu_npr_4hg1_turbo_charger_asm_8973267520_704136_0003_8972083520.jpg","attrs":{"Model Number":"NPR 4HG1","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"Durable Isuzu Cars Parts FVR32 6HE1 Gasket Cylinder Head 8943963341","imgUrl":"https:\/\/img.chinax.com\/nimg\/52\/e1\/d6ef2b7634d5d277fb6272e10b8b-200x200-1\/durable_isuzu_cars_parts_fvr32_6he1_gasket_cylinder_head_8943963341.jpg","attrs":{"Brand Name":"YIMI","Model Number":"FVR32 6HE1","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS"}}
{"title":"BL0CK ASM CYL NPR 4HG1 4HG1-T 4HF1 8982045330","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/65\/486b19b43672c3be4efdee332582-200x200-1\/bl0ck_asm_cyl_npr_4hg1_4hg1_t_4hf1_8982045330.jpg","attrs":{"Model Number":"NPR 4HG1 4HG1T 4HF1","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"NPR 700P 4HK1 TURBO CHARGE 8980000311 8970786400","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/e4\/ab2ffd604bc21336062bab1561b6-200x200-1\/npr_700p_4hk1_turbo_charge_8980000311_8970786400.jpg","attrs":{"Model Number":"NPR 700P 4HK1","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"NPR 4BD2 3.9L CYLINDER HEAD 8971030270","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/a8\/bc770a27bfb7fb839df3007b51a1-200x200-1\/npr_4bd2_3_9l_cylinder_head_8971030270.jpg","attrs":{"Model Number":"NPR 4BD2","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
Function: Oil cooler assembly transfers heat from engine oil to the engine coolant, maintaining optimal oil temperature and protecting engine components from excessive heat and wear in ISUZU NKR NPR 4JB1 diesel engines.
Product Overview
The Oil Cooler Assembly (OEM Numbers: 8-97226391-1 / 8972263911) is a premium-quality, direct replacement engine cooling component designed specifically for ISUZU NKR and NPR series trucks equipped with 4JB1 diesel engines. This essential heat exchanger is mounted on the engine block and uses engine coolant to dissipate heat from the engine oil, keeping oil temperatures within the optimal operating range. Proper oil temperature control is critical for maintaining oil viscosity, preventing thermal breakdown, and ensuring reliable lubrication of bearings, pistons, and other critical engine components.
ISUZU NKR Series, ISUZU NPR Series (also NK, NP model)
Engine Model
ISUZU 4JB1 (2.8L) Diesel Engine
Condition
100% Brand New
Weight
Standard
Origin
China Mainland
Main Market
Middle East, Asia, Africa, South America, North America & Europe
Package
Neutral Packing Or Make It As Requested
Warranty
6 Months
Price & Stock
Please Contact Us To Get More Information
Material
High-strength aluminum alloy & precision bearings
Cooling Type
Engine coolant circulation
Installation
Direct OEM replacement
Quality Standard
OEM equivalent / ISO quality control
Features & Advantages
OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function.
High-Efficiency Heat Transfer: Precision-engineered internal core maximizes heat exchange between oil and coolant.
Durable Construction: High-strength aluminum or stainless steel withstands high oil pressure and thermal cycling.
Leak-Proof Design: Precision-machined mating surfaces and quality seals prevent internal or external leaks.
Restores Oil Temperature Control: Eliminates oil overheating caused by clogged or inefficient coolers.
Protects Engine Components: Maintains proper oil viscosity and lubrication, reducing wear on bearings and pistons.
Prevents Coolant Contamination: Internal separation keeps oil and coolant from mixing, protecting both systems.
Direct Replacement: Matches OE mounting points, port locations, and connection sizes.
Essential for Engine Longevity: Critical component for maintaining reliable diesel engine operation.
Vehicle & Engine Compatibility
This oil cooler assembly is specifically designed for ISUZU light-duty trucks and commercial vehicles. Common applications include:
ISUZU NKR (Light-Duty Trucks)
ISUZU NPR (Medium-Duty Trucks)
ISUZU 4JB1 Engine Specifications:
4-Cylinder, Inline Diesel
Displacement: 2.8L
Valvetrain: OHV
Application: Light- and medium-duty trucks
Also compatible with various ISUZU models using the 4JB1 engine with the same oil cooler configuration
Installation Notes
Professional mechanic installation recommended:
Drain engine oil - Drain the engine oil into a suitable container.
Drain coolant - Partially drain the cooling system to below the oil cooler level.
Locate the oil cooler - Typically mounted on the engine block near the oil filter housing.
Remove the oil filter - Remove the oil filter to access the oil cooler mounting bolts (if applicable).
Disconnect coolant lines - Disconnect the coolant hoses from the oil cooler; cap the lines to prevent fluid loss.
Remove mounting bolts - Unbolt the oil cooler from the engine block.
Remove the old cooler - Carefully remove the old oil cooler; note the orientation and gasket arrangement.
Clean mounting surface - Thoroughly clean the engine block mating surface; remove old gasket material and debris.
Install new gaskets - Position new gaskets or O-rings on the new oil cooler.
Install the new cooler - Position the new oil cooler on the engine block; align mounting holes.
Install mounting bolts - Hand-start and tighten bolts to manufacturer torque specifications.
Reconnect coolant lines - Reconnect coolant hoses to the oil cooler; secure with hose clamps.
Install new oil filter - Install a new oil filter of the correct specification.
Refill with engine oil - Fill with the correct grade and quantity of engine oil.
Refill with coolant - Refill the cooling system with the correct coolant mixture.
Bleed cooling system - Start the engine and bleed air from the cooling system per manufacturer procedure.
Check for leaks - Inspect all connections for oil or coolant leaks.
Check oil pressure - Verify proper oil pressure and check for warning lights.
Quality Control
Material Verification: Confirms housing and core materials meet ISUZU strength and corrosion resistance specifications.
Pressure Testing: Each unit tested for leak-proof integrity under operating oil and coolant pressures.
Heat Transfer Testing: Sample tested to ensure proper heat exchange efficiency.
Dimensional Inspection: Mounting points, port locations, and overall dimensions verified for exact fit.
Surface Finish Inspection: Mating surfaces checked for proper flatness and finish.
Visual Inspection: 100% checked for casting defects, cracks, or machining flaws.
Packaged Safely: Protected and packaged to prevent damage during transit.
Packaging and Delivery
Neutral export packing or customized packaging available
Carton or wooden case for safe transportation
Fast delivery for stock items
Shipping by Express Air or Sea
For pricing, availability, or bulk purchase of the Oil Cooler Assembly 8-97226391-1 8972263911 For ISUZU NKR NPR 4JB1 Engine, please contact our sales team for a competitive quote and expert technical support.
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
