ISUZU Fuel Filler Cap 8-94160028-0 8941600280 Locking with Key ISO/TS16949 Certified Fuel Tank Cap for NHR NKR 100P 4JA1 4JB1
| Net Weight: | Approx. 0.317 Kg | Material: | Metal With EPDM Rubber Gasket |
| Lock Type: | Locking With Key | OEM Part Number: | 8-94160028-0 / 8941600280 |
| Fig.Key Number: | 730-025 | Engine Compatibility: | 4JA1 / 4JB1 / 4BD1 / 4HF1 / 4HK1 |
| Size: | OEM Standard Size | Position: | Fuel Tank Filler Neck |
| High Light: | 8-94160028-0 8941600280 Fuel Filler Cap,Locking with Key Fuel Tank Cap,ISO/TS16949 Certified Locking Fuel Cap |
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The Fuel Filler Cap with OEM numbers 8-94160028-0 / 8941600280 is a verified direct-fit replacement for ISUZU NHR, NKR 100P, NPR, and NQR trucks equipped with 4JA1, 4JB1, and 4BD1 diesel engines. As the sealing component of the fuel system, it is installed at the fuel tank filler neck and is responsible for sealing the tank to prevent fuel evaporation, leakage, and contamination from dust and moisture. It also maintains proper tank pressure balance through built-in vacuum and pressure valves to ensure correct fuel system operation.
This fuel cap features a locking design with key, providing theft protection against unauthorized fuel access. Manufactured from durable metal with an EPDM rubber gasket, it ensures airtight sealing performance, effectively preventing fuel vapor leakage and moisture ingress.
| Part Number | 8-94160028-0 / 8941600280 |
| Product Name | Fuel Filler Cap (Fuel Tank Cap) |
| Car Model | NHR, NKR 100P, NPR, NQR |
| Engine Model | 4JA1, 4JB1, 4BD1, 4HF1, 4HK1 |
| Condition | 100% Brand New |
| Material | Metal with EPDM Rubber Gasket |
| Size | OEM Standard Size |
| Net Weight | Approx. 0.317 kg |
| Packaging Quantity | 1 pc / set |
| HS Code | 870899900 |
| Fig. No. / Key No. | 730-025 |
| Brand | BZLP / IZUMI |
| Certification | ISO/TS16949 |
| Origin | Guangzhou, China |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Package | Neutral Packing or As Requested |
| Installation | Direct OEM Replacement |
| Quality Standard | OEM Equivalent / ISO Quality Control |
- Warranty: At least 1-year warranty provided by supplier.
- MOQ: 5 pcs.
- Delivery Time: 5–8 working days.
- Supply Ability: 10,000 sets per month.
- Payment Terms: T/T, Western Union.
Replaces ISUZU OEM numbers 8-97994821-1 / 8979948211. Some suppliers also list 8-94160028-1 / 8941600281 as a variant reference.
When the fuel filler cap exhibits any of the following conditions, timely inspection and replacement are required:
- Noticeable fuel odor or increased evaporation loss: Aged or damaged cap gasket allows fuel vapor to leak into the atmosphere, causing abnormal fuel consumption increase.
- Cap fails to lock or becomes loose: Worn locking mechanism or damaged threads prevent the cap from securing properly; it may self-detach during driving.
- Dashboard warning light illuminated (EVAP system): Poor cap sealing causes the evaporative emission control system to detect leakage, triggering fault codes.
- Key fails to turn or lock cylinder sticking: Rusted or worn lock cylinder prevents normal locking or unlocking.
- Fuel seepage around filler neck: Complete gasket failure allows fuel to seep around the filler neck, posing a safety hazard.
| Brand | Model | Series | Engine | Note |
|---|---|---|---|---|
| ISUZU | NHR | ELF / N-Series | 4JA1 / 4JB1 | Fuel cap (with key) |
| ISUZU | NKR 100P | ELF / N-Series | 4JB1 / 4BD1 | Fuel cap (with key) |
| ISUZU | NPR | ELF / N-Series | 4HF1 / 4HK1 | Fuel cap (with key) |
| ISUZU | NQR | ELF / N-Series | 4HK1 / 4HF1 | Fuel cap (with key) |
| ISUZU | NHR54 | ELF / N-Series | 4JA1 | Series reference |
| ISUZU | NPR08 | ELF / N-Series | 4HK1 | Series reference |
| ISUZU | NQR71 / NQR75 | ELF / N-Series | 4HK1 | Series reference |
- Model Confirmation: This fuel cap fits NHR, NKR 100P, NPR, and NQR models with 4JA1, 4JB1, 4BD1, and 4HF1 engines. Variations may exist across different model years or configurations. Verify the original cap number before installation.
- With Key vs Without Key: This product is the with key lock version. Some models may use a non-locking version. Confirm original vehicle configuration before ordering.
- Pre-Installation Verification: Please provide VIN or original cap number for precise fitment confirmation.
| Feature | Benefit + Verification Signal |
|---|---|
| Locking Design with Key | Provides theft protection against unauthorized fuel access — per jm-autoparts.com product description |
| Metal Construction | Durable metal material providing enhanced strength and corrosion resistance for long service life — per jm-autoparts.com product description |
| EPDM Rubber Gasket | Advanced sealing design effectively preventing fuel vapor leakage, moisture ingress, and debris contamination — per jm-autoparts.com product description |
| Built-in Vacuum and Pressure Valve | Maintains proper fuel tank pressure balance, ensuring stable fuel system operation — per jm-autoparts.com product description |
| ISO/TS16949 QMS Certified | Manufacturer quality management system meets automotive industry standards — per spanish.autopart-masters.com product certification information |
| At Least 1-Year Warranty | Provides reliable after-sales protection — per hindi.isuzu-truckspares.com warranty terms |
| QC Item | Verification Method |
|---|---|
| Sealing Performance Test | Air tightness test — verifies cap sealing performance under rated pressure, ensuring no leakage |
| Locking Mechanism Test | Key lock/unlock test — verifies smooth lock cylinder rotation and reliable locking |
| Vacuum/Pressure Valve Test | Pressure test — verifies valve opens and closes properly at set pressure |
| Material Composition Test | Spectrometer analysis — verifies metal material meets standard |
| Appearance & Packaging Inspection | 100% visual inspection — no rust or scratches; packaging meets transport requirements |
Certification: Manufacturer holds ISO/TS16949 automotive quality management system certification. Products undergo 100% testing before shipment.
- Clean filler neck: Clean around the fuel tank filler neck before installation, ensuring no dust or debris.
- Check gasket: Confirm the new cap's rubber gasket is intact without aging or cracks.
- Align and install: Align the new cap with the filler neck and turn clockwise until a "click" sound is heard or the cap feels tight.
- Lock verification: Test the locking/unlocking function with the key.
- Seal check: Start the engine after installation and check for fuel odor leakage around the filler neck.
- Every 6 months: Check cap gasket for aging or cracking, and verify locking mechanism operation.
- When fuel odor or loose cap is detected: Inspect gasket condition promptly and replace the cap if necessary.
- Keep cap clean: Avoid dust and debris accumulation on the gasket, which may affect sealing performance.
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