ISUZU Front Door Power Window Regulator Motor 8-98058431-0 8980584310 for NPR NQR 700P NMR 4HK1 4HG1 — OEM Standard 24V 7-Tooth Copper-Core Motor Verified Fit
Key Attributes
Product Summary
OEM-standard 24V 7-tooth copper-core window regulator motor for ISUZU NPR/NQR/700P/NMR with 4HK1/4HG1 engines. ISO/TS16949 certified, 10,000+ cycle tested, plug-and-play fit. MOQ 5 pcs, 10,000 sets/month supply, custom packaging available.
Product Details
ISUZU power window regulator motor
,24V 7-tooth copper-core motor
,NPR NQR 700P NMR window motor
The Front Door Power Window Regulator Motor with OEM numbers 8-98058431-0 / 8980584310 is a verified direct-fit replacement for ISUZU NPR, NQR, NPR-HD, 700P, NMR, VC46, FSR and FVR trucks equipped with 4HK1, 4HG1 and 6HK1 diesel engines. Mounted on the window regulator assembly inside the front door trim panel, the motor drives the regulator mechanism through internal reduction gears to raise and lower the window glass smoothly. It is a core actuation component of the cab's electric comfort system.
The motor features a 24V DC design with high-efficiency copper-core windings and a reinforced gear set. Its output gear uses a 7-tooth structure, delivering high torque output and consistent lifting speed to drive the large, heavy glass panels of heavy-duty trucks. The housing combines high-strength plastic with a metal shell, offering moisture, dust and heat resistance. Manufactured to OEM-standard dimensions with a standard multi-pin connector, it installs plug-and-play without door harness modification.
| Part Number | 8-98058431-0 / 8980584310 |
|---|---|
| Product Name | Front Door Power Window Regulator Motor |
| Operating Voltage | 24V DC |
| Drive Gear | 7-tooth output gear |
| Internal Construction | Copper-core windings + reinforced gear set |
| Housing Material | High-strength plastic + metal shell |
| Connector | Standard multi-pin, plug-and-play |
| Net Weight (Reference) | Approx. 0.442 kg |
| HS Code | 850131192 |
| Condition | 100% Brand New |
| Size | Standard |
| Origin | China Mainland |
| Brand | BZLP / TinzerMotor / CHI |
| MOQ | 5 pcs |
| Supply Ability | 10,000 sets / month |
| Package | Neutral packing, or as requested |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Installation | Direct OEM replacement |
| Quality Standard | OEM equivalent / ISO quality control |
Replaces ISUZU OEM numbers 8-98058431-0 / 8980584310 / 8-98058-431-0. Platform-related numbers include:
- 8-98058430-0 / 8980584300 — LH Front
- 8-98058429-0 / 8980584290 — RH Front
- 8980584300A
Front Door Power Window Regulator Motor 8-98058431-0 / 8980584310 — 7-tooth output gear visible.
| Brand | Model | Series | Engine | Note |
|---|---|---|---|---|
| ISUZU | NPR | N-Series | 4HK1 / 6HK1 | Front door window motor |
| ISUZU | NQR | N-Series | 4HK1 / 6HK1 | Front door window motor |
| ISUZU | NPR-HD | N-Series | 4HK1 / 4HE1 | Front door window motor |
| ISUZU | 700P | Medium-duty truck | 4HK1 / 4HG1 | Front door window motor |
| ISUZU | NMR | N-Series | 4HG1 / 6HK1 | Front door window motor |
| ISUZU | VC46 | VC Series | 4HG1 / 6UZ1 | Front door window motor |
| ISUZU | FSR / FVR | F-Series | 6HK1 | Front door window motor (some configurations) |
Data source: vehicle and engine compatibility per ruishuoauto.com (Isuzu ELF / N-Series 700P / NPR / NQR), trucksparesparts.com (NMR / FVR34 6HK1), and persian.isuzuautospareparts.com (700P / NPR) product pages.
- LH/RH Confirmation: Supplier listings vary on mounting position; some specify RH (Right-Hand / Passenger Side), while platform-related numbers show 8-98058430-0 as LH (Left-Hand). Confirm the required side against your vehicle configuration, or provide a photo of the original door motor mounting position before ordering.
- Voltage Confirmation: This motor is available in 24V and 12V versions. Heavy trucks (e.g. 700P, NPR, NQR) typically use 24V systems. Verify the original vehicle electrical system voltage before ordering.
- Model Confirmation: This motor fits NPR, NQR, 700P, NMR, VC46, FSR, FVR and other model series. Variations may exist across model years or cab configurations. Verify the original motor number before installation.
- Pre-Installation Verification: Please provide the VIN or original window motor number for precise fitment confirmation.
| Feature | Benefit + Verification Signal |
|---|---|
| 24V DC Heavy-Truck Specific Design | Optimized for heavy commercial vehicle electrical systems, delivering stable torque output to drive large, heavy window glass panels — per ruishuoauto.com technical specification. |
| 7-Tooth Drive Gear | Output gear with 7-tooth structure precisely matches the tooth profile and module of the original regulator sector gear, ensuring smooth engagement without jumping — verified from product image. |
| Copper-Core Windings + Reinforced Gear Set | High-efficiency copper-core windings ensure consistent current conduction; the reinforced internal gear set withstands mechanical stress from frequent window operation — per ruishuoauto.com internal construction description. |
| 10,000+ Cycle Endurance Tested | Each motor undergoes over 10,000 cycles and load-stress analysis before shipment, ensuring constant lifting speed without stalling over long-term use — per ruishuoauto.com testing statement. |
| Weather-Sealed Housing | Sealed housing design prevents moisture and dust ingress, adapting to commercial vehicle operation in various climates and road conditions — per ruishuoauto.com sealed housing description. |
| ISO/TS16949 QMS Certified | Manufacturer quality management system meets automotive industry standards — per supplier certification information. |
When the front door power window regulator motor exhibits the following conditions, timely inspection and replacement are required:
- Window fails to move or moves very slowly: Worn internal brushes or aged windings reduce output torque, causing slow or no window movement.
- Abnormal noise during window operation (clicking or gear grinding): Worn or broken internal gears cause the motor to spin without effectively driving the regulator mechanism.
- Window operates in one direction only (up but not down, or vice versa): Internal commutator or control module failure disables one-directional operation.
- Motor runs but window does not move: Motor output shaft (7-tooth gear) slips against the regulator gear, or the regulator mechanism itself is seized while the motor spins freely.
- Motor overheats or fuse blows repeatedly: Internal short circuit or seizure causes excessive current draw, triggering protection or blowing the fuse.
| QC Item | Verification Method |
|---|---|
| Voltage / Current Test | Test no-load and load current at rated voltage — verifies electrical performance meets specification. |
| Torque Output Test | Torque tester — verifies output torque under rated load meets regulator drive requirements. |
| 7-Tooth Gear Engagement Test | Gear gauge / mesh test — verifies tooth profile, module and backlash meet original regulator requirements. |
| Cycle Endurance Test | 10,000+ cycle test — simulates long-term use, verifying performance does not degrade after repeated operation. |
| Load Stress Test | Simulated heavy glass load — verifies no stalling and stable lifting speed under maximum load. |
| Noise Test | Running test — verifies smooth, low-noise motor operation during window movement. |
Certification: Manufacturer holds ISO/TS16949 automotive quality management system certification. Products undergo 10,000+ cycle endurance testing.
Front door window motor installation involves door trim removal and electrical connection. Professional installation by a qualified technician is recommended. Disconnect the negative battery terminal before installation and protect clips and wiring when removing the door trim. After installation, repeatedly test window lifting smoothness, speed and stop positions to confirm no binding or abnormal noise.
- 1Disconnect power: Disconnect the negative battery terminal to prevent electrical short circuits.
- 2Remove door trim: Carefully remove the front door trim panel, release the clips, and disconnect the power window switch harness connectors.
- 3Remove old motor: Remove the motor fixing bolts (typically 2–3), unplug the motor harness connector, and detach the old motor from the regulator assembly.
- 4Inspect regulator: Check the wear condition of the regulator sector gear (where it meshes with the motor's 7-tooth gear). If severely worn, replace the regulator assembly as well.
- 5Install new motor: Align the new motor with the regulator mounting position, hand-thread the fixing bolts first, confirm the 7-tooth output gear correctly engages the regulator gear, then tighten to the specified torque.
- 6Connect harness: Plug in the motor harness connector, confirming the clip engages.
- 7Function test: Restore the battery connection and repeatedly operate the window switch, testing smooth lifting, correct speed and accurate stop positions.
- 8Reinstall door trim: After confirming correct function, reinstall the door trim panel and connect the switch harness.
- Every 12 months: Check window lifting smoothness, clean dust inside the door trim, and inspect the motor connector for corrosion.
- When window lifting slows or abnormal noise is detected: Inspect motor and regulator condition promptly to prevent motor burnout from overload.
- Keep window guides clean and lubricated: Periodically clean the glass guides and apply appropriate grease to reduce motor load.
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