OEM Alternator Vacuum Pump Assembly 8970832960 8-97083296-0 8971831730 For ISUZU NPR NKR NQR 4HF1 4HG1 — Brake Booster Vacuum Pump With Alternator
| OEM Part Numbers: | 8970832960 / 8-97083296-0 / 8971831730 / 8-97183173-0 | Part Name: | Alternator Vacuum Pump Assembly / Generator Vacuum Pump |
| Type: | Integrated Alternator + Vacuum Pump | Function: | Provides Electrical Power + Brake Booster Vacuum |
| Engine Compatibility: | ISUZU 4HF1, 4HG1, 4HJ1, 4HE1, 4HK1 | Vehicle Compatibility: | ISUZU NPR, NKR, NQR, NPR66, NPR71, NQR71, NQR75, NQR90 |
| Condition: | Brand New — 100% Quality Inspected | Warranty: | 12 Months |
| High Light: | Isuzu alternator vacuum pump assembly,OEM brake booster vacuum pump,Isuzu NPR NKR alternator pump |
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This integrated alternator vacuum pump assembly combines electrical power generation and brake vacuum supply in a single unit. Designed as a direct OEM replacement for ISUZU NPR, NKR, and NQR series commercial trucks with 4HF1, 4HG1, and 4HK1 diesel engines.
- Hard or Stiff Brake Pedal: Requires excessive force to stop the vehicle
- Increased Stopping Distance: Vehicle takes longer to stop, especially under load
- Hissing Noise: Audible vacuum leak when brake pedal is pressed
- Intermittent Brake Assist: Inconsistent brake pedal feel
- Battery Warning Light: Dimming lights or charging issues
- Unusual Noises: Grinding, whining, or rattling from pump area
- Oil Leakage: Oil seepage from vacuum pump body
| Brand | Model | Engine |
|---|---|---|
| ISUZU | NPR | 4HF1, 4HG1 |
| ISUZU | NKR | 4HF1, 4HG1 |
| ISUZU | NQR | 4HF1, 4HG1, 4HK1 |
| ISUZU | NPR66 | 4HF1 |
| ISUZU | NPR71 | 4HG1 |
| ISUZU | NQR71 | 4HG1 |
| ISUZU | NQR75 | 4HK1 |
| ISUZU | NQR90 | 4HK1 |
| Brand / Number | Part Number |
|---|---|
| ISUZU OEM | 8971831730, 8-97183173-0 |
| Aftermarket | LR250-517, LR250-5088, LR280-501, LR280-506 |
| WSL | WSL41-02 |
| JMC | 8970832960 |
| Specification | Details |
|---|---|
| Part Number | 8970832960 8-97083296-0 8971831730 |
| Product Name | Alternator Vacuum Pump Assembly |
| Car Model | ISUZU NPR NKR NQR |
| Engine Model | ISUZU 4HF1 4HG1 |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
| Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement |
| Quality Standard | OEM equivalent / ISO quality control |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to match OE blueprint specifications |
| Vacuum Performance Test | 100% bench testing across full operating range |
| Alternator Output Test | Full testing of voltage and amperage output |
| Leakage Test | 100% vacuum and oil leak testing |
| Bearing / Rotor Test | Noise and vibration testing for smooth operation |
| Durability Cycle Test | 500+ hour fatigue testing under commercial conditions |
| Final Assembly Inspection | 100% visual and functional inspection |
- Packaging: Heavy-duty carton with foam inserts
- Pack Quantity: 1 PC per package
- Suitable For: Wholesale distributors, truck parts retailers, commercial repair shops, and fleet owners
- Main Markets: Middle East, Asia, Africa, South America, North America & Europe
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