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{"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"}}
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The Front Door Power Window Regulator Motor with OEM numbers 8-97898480-0 / 8978984800 is a verified direct-fit replacement for ISUZU NPR66, NKR, NPR, NQR, and ELF series trucks equipped with the 4HF1 (4.3L) and 4JH1 (3.0L) diesel engines. This power window motor is a critical electrical component responsible for driving the window regulator mechanism to raise and lower the front door glass. When the motor fails, the window may become inoperative, move slowly, or emit abnormal noise during operation.
The 24V power window motor is specifically designed for ISUZU light and medium-duty commercial trucks operating on 24-volt electrical systems. This part is the front left (passenger side) motor, and it is the direct counterpart to the front right (driver side) motor 8-97898479-0 / 8978984790.
Voltage Verified: 24V — specifically designed for ISUZU commercial truck electrical systems. Not compatible with 12V passenger vehicle applications.
Position Verified: Front Left (Passenger Side) — confirmed fitment across ISUZU NPR66, NKR, NPR, NQR, ELF, and N-Series platforms. The paired right (driver side) motor uses OEM 8-97898479-0 / 8978984790.
OEM Cross-Reference Verified: Replaces 8-97898480-0, 8978984800, 8-97898-480-0, 97898480. Compatible replacement also referenced under 8-97852188-2, 8-97869080-0 in some aftermarket catalogs.
Multi-Market Application: Confirmed compatible with ISUZU N-Series trucks across multiple markets including Europe (LHD/RHD), Middle East, Southeast Asia, South Africa, Australia, Taiwan, and Iran — covering 1993-2008 and later model years for various applications.
Window does not operate: No response when pressing the window switch — motor has completely failed.
Slow or intermittent window movement: Window moves sluggishly or stops midway — motor is losing power or internal brushes are worn.
Abnormal noise during operation: Grinding, clicking, or whining sounds when operating the window — indicates internal motor gear or bearing wear.
Window drops or will not stay up: Motor cannot hold the window in position — regulator mechanism or motor clutch failure.
Burning smell or blown fuse: Electrical overload from a failing motor — replace immediately to prevent further electrical system damage.
⚠️ Consequence of Ignoring Symptoms: A failing window motor can leave the window stuck in the open position, exposing the vehicle interior to weather and theft risk. In severe cases, electrical short circuits can damage the window switch, wiring harness, or vehicle electrical system.
Product Specifications
Part Number
8-97898480-0 8978984800
Product Name
Door Power Window Regulator Motor
Car Model
ISUZU NPR66 NKR NPR NQR ELF
Engine Model
ISUZU 4HF1 4JH1
Condition
100% Brand New
Size
Standard
Weight
Standard
Origin
China Mainland
Main Market
Middle East, Asia, Africa, South America, North America & Europe
Package
Neutral Packing Or Make It As Requested
Material
High-strength aluminum alloy & precision bearings
Cooling Type
Engine coolant circulation
Installation
Direct OEM replacement
Quality Standard
OEM equivalent / ISO quality control
Vehicle & Engine Compatibility
Primary Applications
Brand
Model / Series
Engine
Years
ISUZU
NPR66
4HF1
1999-2008
ISUZU
NKR55 / 66 / 69 / 71 / 77 (LHD)
4HF1 / 4JH1
2003-up
ISUZU
NKR85 (LHD)
4JH1
2007-up
ISUZU
NPR / NQR (LHD/RHD)
4HF1 / 4JH1
1999-up
ISUZU
ELF300 (Mexico)
4HF1 / 4JH1
2007-2008
ISUZU
NHR
4JH1
2007-up (EURO4), 2014-up (EURO5)
ISUZU
N-Series (various)
4HF1 / 4JH1
1993-2008+
Confirmed Fitment Markets: Europe (LHD/RHD), Middle East, Indonesia, Thailand, South Africa, Australia, Taiwan, Malaysia, Iran, and Mexico.
⚠️ Important Fitment Notes:
Position: This is the front left (passenger side) window motor. The front right (driver side) motor uses OEM 8-97898479-0 / 8978984790.
Voltage: This motor is 24V — designed for ISUZU commercial truck electrical systems. Not compatible with 12V systems.
Confirm engine variant: 4HF1 vs. 4JH1 — both are supported, but always verify against the engine tag.
Replace in pairs when possible: If one window motor has failed, the opposite side may be nearing the end of its service life. Consider replacing both simultaneously for consistent performance.
Always verify OEM number against the vehicle documentation or engine tag before ordering.
Features & Benefits
Feature
Benefit + Verification Signal
24V high-torque electric motor
Delivers sufficient power to operate heavy commercial truck window glass — verified by application across ISUZU N-Series truck platforms.
Direct OE-style fitment
Bolt-on replacement without modification — verified by confirmed fitment across NPR66, NKR, NPR, NQR, and ELF applications.
Sturdy construction
Enhanced durability under commercial use conditions — verified by manufacturer specification for light and medium-duty truck applications.
High-efficiency operation
Ensures smooth window operation with minimal electrical draw — verified by product specification for 24V truck applications.
Restores proper window lift function
Designed to return the window to full operational capability — confirmed by direct replacement fitment type.
Paired counterpart available
Front right motor (8-97898479-0) available for complete axle-pair replacement — reducing inventory complexity.
Quality Control & Verification
QC Item
Verification Method
Motor voltage / amperage draw
Electrical bench test (24V specification)
Gearbox operation
Functional cycle testing (up/down operation)
Torque output
Load testing against OEM specification
Housing integrity
Visual and dimensional inspection
Electrical connector
Pin fitment and conductivity verification
Noise level
Operational noise testing
Final inspection
100% quality inspection before packaging
Each unit undergoes 100% quality inspection before packaging. Manufacturing conforms to OEM specification standards for power window motor applications.
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Disconnect the vehicle battery before servicing any electrical component. Always refer to the ISUZU NPR/NKR workshop manual for complete specifications. Improper installation can result in electrical damage or personal injury.
Installation Guidelines (Reference Only)
Disconnect battery: Remove the negative battery terminal to prevent electrical short circuits.
Remove door trim panel: Carefully pry off the door panel retaining clips and disconnect any electrical connectors (window switch, speaker, etc.).
Remove moisture barrier: Peel back the plastic moisture barrier to access the window regulator mechanism.
Disconnect motor connector: Unplug the electrical connector from the window motor.
Remove mounting bolts: Unbolt the window motor from the regulator assembly (typically 3 bolts). Support the window glass in the fully closed position to prevent it from dropping.
Remove old motor: Extract the failed motor from the regulator.
Install new motor: Position the new motor (8-97898480-0) onto the regulator, align the drive gear with the regulator mechanism, and secure mounting bolts.
Reconnect electrical connector: Plug in the motor connector and test window operation before reinstalling the door panel.
Reinstall door panel: Reinstall the moisture barrier, reconnect all electrical connectors, and reattach the door trim panel.
Test operation: With the battery reconnected, operate the window through multiple full cycles to verify smooth operation and correct travel.
Maintenance Schedule
Inspect window operation at every 40,000–50,000 km or during any door service.
Lubricate window regulator tracks and linkages periodically to reduce motor load.
Replace immediately if the motor exhibits slow operation, abnormal noise, or complete failure.
When replacing one window motor, inspect the opposite side for similar wear.
Packaging & Supply
Standard packing: Individual box with protective packaging; wooden pallet available for bulk orders.
Package contents: 1 × Front Door Power Window Regulator Motor (installation hardware not included).
Set options: Left side only, right side only, or left + right pair — specify at inquiry.
Suitable for: Truck repair workshops, fleet maintenance departments, spare parts distributors, and export wholesalers.
Related parts available: Front right window motor (8-97898479-0), window regulator assembly, window switch, and door hardware kits.
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 ...
