Front Axle Hub Cap with Zinc-Plated Corrosion-Resistant Finish and Press-Fit Installation for ISUZU N-Series Trucks
| Design: | Dome-shaped / Bowl-shaped With Rolled Edges | Approx. Diameter: | 3 Inches |
| Material: | Heavy-duty Metal (steel) | Surface Finish: | Zinc-plated / Iridescent Coating For Corrosion Resistance |
| Position: | Front Axle | Installation Type: | Press-fit For Secure Attachment |
| Weight: | Standard | Cooling Type: | Engine Coolant Circulation |
| High Light: | ISUZU N-Series hub cap,zinc-plated axle hub cap,press-fit truck hub cap |
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OEM Heavy-Duty Wheel Hub Cover
The Front Axle Hub Cap with OEM reference numbers 8-98331242-1 and 8983312421 is a verified direct-fit replacement for a wide range of ISUZU N-Series trucks, including NKR, NQR, NPR, NPR-HD, and NRR models. This cap is a critical component of the front wheel hub assembly, designed to seal and protect the wheel bearings and front axle components from dirt, debris, and moisture.
The hub cap provides essential protection for the wheel bearings and axle components, preventing contamination from road debris, water, and dust. A missing, damaged, or worn hub cap can leave the bearings exposed to the elements, leading to premature bearing failure, contamination of the wheel hub, and costly repairs. This OE-spec replacement hub cap restores factory protection and extends the service life of your front wheel bearings.
Manufactured to meet or exceed original equipment standards, this hub cap features heavy-duty metal construction with a protective zinc-plated or iridescent finish that resists corrosion and rust. The press-fit design ensures secure attachment to the wheel hub for straightforward installation.
| Part Number | 8-98331242-1 / 8983312421 |
|---|---|
| Product Name | Front Axle Hub Cap |
| Car Model | ISUZU NKR NQR NPR NRR |
| Engine Model | Isuzu |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
| Installation | Direct OEM replacement |
| Quality Standard | OEM equivalent / ISO quality control |
| Model | Years | Notes |
|---|---|---|
| ISUZU NKR | 1985-1992, 1994-1999 | ELF / N-Series |
| ISUZU NQR | 1998-2004, 2005-2013 | ELF / N-Series |
| ISUZU NPR | 1986-1991, 1992-2002, 1998-2004, 2005-2008 | N-Series |
| ISUZU NPR-HD | 1999-2002, 1999-2004, 2003-2008, 2005-2013 | Heavy-duty |
| ISUZU NRR | 1988-1991, 2005-2013 | N-Series |
| ISUZU ELF | 1985-1992, 1994-1999 |
- ISUZU FVR (1988-2011), FXR (2004-2011), HVR (2005-2008), EVR (1987-1993)
- ISUZU D-Max II (2017-2019)
| Symptom | Description |
|---|---|
| Visible damage or cracks | Hub cap is cracked, dented, or broken |
| Missing hub cap | Cap is completely missing from the wheel hub |
| Loose or rattling cap | Cap is not securely attached to the hub |
| Contamination in wheel hub | Dirt, debris, or moisture has entered the hub area |
| Premature bearing wear | Bearings failing sooner than expected |
| Grease leakage | Grease escaping from the hub area |
- Premature wheel bearing failure due to contamination
- Damage to the wheel hub assembly
- Costly repairs and vehicle downtime
- Potential wheel separation in severe cases
| Feature | Benefit |
|---|---|
| Heavy-duty metal construction | Withstands demanding commercial use - provides long-lasting protection |
| Zinc-plated / iridescent corrosion-resistant finish | Prevents rust and corrosion - extends service life |
| Dome-shaped / bowl-shaped design with rolled edges | Secure coverage and professional appearance - enhances durability |
| Press-fit installation | Easy, tool-free installation - secure attachment to the wheel hub |
| Essential bearing protection | Seals and protects wheel bearings from dirt, debris, and moisture - extends bearing life |
| Wide model compatibility | Fits a broad range of ISUZU N-Series trucks across multiple decades - versatile for workshops and distributors |
| Comprehensive cross-reference | Matches multiple OEM numbers - simplifies sourcing |
| 100% quality inspected | Reliable out of the box - each unit verified for dimensional accuracy and material integrity |
| QC Item | Verification Method |
|---|---|
| Dimensional accuracy | Precision inspection against OE blueprint - ensures proper fit on ISUZU N-Series front axle |
| Material quality | Heavy-duty steel verification - ensures durability and impact resistance |
| Surface finish | Zinc-plated / iridescent coating verification - ensures corrosion resistance |
| Fitment testing | Tested on ISUZU N-Series front axle assemblies - ensures proper sealing |
| Batch traceability | Each production batch documented with quality certificates |
Reference ISUZU workshop manual for complete steps:
- Safety first - securely support the vehicle on jack stands
- Remove the front wheel for access (if necessary)
- Locate the front axle hub cap on the wheel hub
- If removing an old cap, use a pry bar or screwdriver to carefully tap around the circumference
- Clean the hub sealing surface thoroughly - remove all debris and old sealant
- Compare the new hub cap with the old unit - verify part number (8-98331242-1) matches
- Inspect the hub sealing surface for damage or wear
- Apply a small amount of grease to the cap rim (if specified)
- Press the new hub cap firmly into place using a rubber mallet or press
- Ensure the cap is fully seated and flush with the hub
- Reinstall the wheel (if removed)
- Road test - verify no unusual noise or vibration
- Inspect hub caps for damage or looseness during every tire rotation or brake service
- Replace hub caps if there is any sign of cracking, damage, or corrosion
- When replacing wheel bearings, always inspect and replace the hub cap if damaged
- Regular inspection prevents premature bearing failure and costly repairs
- Individually sealed in protective packaging
- Sold individually or as a set of 2
- Neutral packaging or custom branding available upon request
- Bulk wholesale available in master cartons
- Suitable for: ISUZU specialist repair shops, commercial vehicle maintenance depots, fleet maintenance suppliers, auto parts distributors
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