ISUZU Front Hub Oil Seal 73×90×8mm NBR/FKM Material ISO/TS16949 Certified for NKR77 4JH1
| Outer Diameter: | 90mm | Inner Diameter: | 73mm |
| Thickness: | 8mm | Net Weight: | 0.02～0.04 Kg |
| Material: | NBR / FKM | Operating Temperature: | -20°C～250°C |
| Installation Position: | Inner Side Of Front Wheel Hub / Steering Knuckle Spindle | Part Type: | Hub Seal |
| High Light: | 73×90×8mm Front Hub Oil Seal,NBR/FKM Material Wheel Seal,ISO/TS16949 Certified Hub Seal |
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- Grease Retention: Seal lip tightly contacts rotating spindle surface to prevent centrifugal leakage during high-speed rotation
- Contaminant Barrier: Dust lip and main sealing lip block water, mud, dust, and other contaminants from entering bearing cavity
- Lubrication Maintenance: Ensures wheel bearings remain in clean, well-lubricated environment to reduce friction and wear
- Extended Component Life: Protects expensive wheel bearings from premature failure caused by lubrication loss or contamination
| Symptom | Probable Cause |
|---|---|
| Grease leakage around hub or brake area | Worn, aged, or damaged seal lip; seal failure |
| "Humming" or "grinding" noise from front wheels | Insufficient bearing lubrication due to grease leakage |
| Heavy steering feel or vague handling | Increased bearing resistance due to poor lubrication |
| Front wheel wobble or vibration during driving | Worn bearings causing excessive hub play |
| Abnormal hub overheating after long drives | Increased friction from lubricant loss or contamination |
| Brand | Model Series | Compatible Engine |
|---|---|---|
| ISUZU | NKR77, NKR, ELF | 4JH1 |
| ISUZU | NPR, NQR | 4HK1, 4HF1, 4HG1 |
| ISUZU | 100P | 4JB1 |
| ISUZU | 600P | 4KH1 |
| ISUZU | 700P | 4HK1 |
| JMC | 1030 | 4JB1 |
- Verify specific part number on original component before ordering
- Replace front hub oil seals in pairs (left and right) for consistent performance
- Sealing lip must face inward toward bearing cavity during installation
- Use special press tool for installation - do not use hammer directly on seal
- Apply grease to seal lip before installation to prevent dry running damage
- Inspect spindle surface for scratches, rust, or wear grooves before installation
- Professional installation recommended for this critical component
| Packaging | Neutral packaging or customized per customer request |
| Quantity per package | 1 pc/box (standard shipment packaging) |
| Minimum Order Quantity | 10 pieces |
| Delivery Time | 5-8 working days |
| Supply Capacity | 1000 sets/month |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union |
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