ISUZU Subsidiary Fuel Tank Unit 8-94457778-0 OEM Standard with Integrated Fuel Level Sensor and Lightweight Design (0.27kg) for NKR 4JB1
Basic Properties
Place of Origin:
CHINA
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
NKR 4JB1
Trading Properties
Minimum Order Quantity:
20 PCS
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
10000 pcs/month
Specifications
| Net Weight: | 0.27 Kg | Compatible Model: | ISUZU NKR Series |
| Compatible Engine: | ISUZU 4JB1 Diesel Engine | Material: | High-strength Aluminum Alloy & Precision Bearings |
| Cooling Type: | Engine Coolant Circulation | Installation: | Direct OEM Replacement |
| Fuel Level Sensor: | Integrated | Displacement: | 2.8L |
| High Light: | OEM Standard Subsidiary Fuel Tank,Integrated Fuel Level Sensor Fuel Tank Unit,Lightweight Design Auxiliary Fuel Tank |
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Product Description
ISUZU Subsidiary Fuel Tank 8-94457778-0 944577780 for NKR 4JB1
The ISUZU Subsidiary Fuel Tank Unit with OEM numbers 8-94457778-0 / 944577780 is a precision-engineered replacement designed for ISUZU NKR series light-duty trucks, compatible with 4JB1 diesel engines. This component serves as a supplementary fuel storage unit to the main tank, increasing the vehicle's total fuel capacity and extending driving range.
Numbering Note: This product number 8-94457778-0 / 944577780 has the associated number 8944577780. Some sources also indicate compatibility with ISUZU NHR models. Please verify the specific number based on actual vehicle configuration.
| Part Number: | 8-94457778-0 944577780 |
| Product Name: | Subsidiary Fuel Tank |
| Car Model: | NKR |
| Engine Model: | 4JB1 |
| Condition: | 100% Brand New |
| Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe |
| Material: | High-strength aluminum alloy & precision bearings |
| Installation: | Direct OEM replacement |
| Quality Standard: | OEM equivalent / ISO quality control |
Working Principle
The subsidiary fuel tank unit is mounted on the chassis side or outside the frame side rails. Its working principle includes:
- Fuel Storage: Serves as a supplement to the main tank, storing additional diesel fuel
- Fuel Supply: Connected to the main tank or fuel supply system via fuel lines, featuring dual-tank switching or fuel transfer systems
- Level Monitoring: Integrates a Fuel Level Sensor to monitor fuel level in real-time
Failure Symptoms
| Symptom | Probable Cause |
|---|---|
| Inaccurate or no fuel level reading on instrument panel | Failed fuel level sensor in subsidiary tank |
| Noticeably reduced driving range; auxiliary fuel unavailable | Blocked internal lines or failed fuel pump |
| Diesel smell under vehicle or visible fuel leakage | Rusted/cracked tank housing or aged/worn seals |
| Engine stalls or loses power when switching to auxiliary tank | Blocked fuel supply line or failed fuel pump |
| Visual inspection shows deformed, severely rusted, or damaged housing | Long-term use or impact damage |
Verifiable Data
- Product Net Weight: 0.27 kg
- Part Name: UNIT; FUEL TANK,SUB (Subsidiary Fuel Tank Unit)
- HS Code: 902690000
- Compatible Model: ISUZU NKR series
- Extended Compatibility: ISUZU NHR series
- Compatible Engine: ISUZU 4JB1 diesel engine
- Condition: Brand New — 100% quality inspected
- Warranty: 3 months
- Minimum Order Quantity: Small quantities accepted
- Delivery Time: 15–20 days after deposit
- Packaging Options: Neutral box / Color box / Custom brand packaging
Vehicle & Engine Compatibility
| Brand | Model Series | Compatible Engine | Notes |
|---|---|---|---|
| ISUZU | NKR | 4JB1 | Light-duty truck |
| ISUZU | NHR | 4JB1 | Light-duty truck |
| ISUZU | NKR55 | 4JB1 | Light-duty truck |
Important Fitment Warnings
- Number Confirmation: Verify the specific number on the original part before ordering
- Model Confirmation: Confirm vehicle model before ordering
- Associated Components: Inspect fuel lines, fuel filter, and tank mounting brackets
- Post-Installation Leak Test: Fuel system leak test is mandatory after installation
- Electrical Connection: Ensure proper electrical connector attachment for accurate gauge readings
- Professional Installation: Professional installation is recommended
Features & Benefits
OEM Standard Design
Manufactured to ISUZU original specifications — ensures perfect fitment for NKR/NHR models
Integrated Fuel Level Sensor
Real-time fuel level monitoring with accurate signal transmission to the instrument panel
Lightweight Design (0.27kg)
Reduces vehicle weight — contributes to improved fuel economy and payload capacity
Specifically Designed for ISUZU 4JB1 Engine
Perfectly matched to NKR/NHR series fuel supply systems
100% Factory Quality Inspection
Every piece undergoes strict quality inspection — ensures zero-defect delivery
Flexible Supply
Small quantity orders accepted — meets diverse procurement needs
Quality Control & Verification
| QC Item | Inspection Method | Acceptance Criterion |
|---|---|---|
| Housing integrity | Visual + pressure test | No cracks, deformation, or pinholes |
| Fuel seal integrity | Leak test bench | No leakage; stable pressure retention |
| Level sensor resistance | Multimeter | Standard resistance range (empty/full) |
| Level sensor signal output | Special test bench | Stable, linear signal output |
| Product dimensional accuracy | Special gauges / Calipers | Per OEM installation dimensions |
| Product weight | Precision scale | 0.27 kg ± tolerance |
IMPORTANT SAFETY NOTICE: The subsidiary fuel tank is a critical fuel system component involving fuel storage and supply. Improper handling may cause fuel leakage or fire risk. Professional installation is recommended.
Installation Guidelines
Preparation: Confirm installation position, prepare tools including socket wrench, fuel line wrench, jack + safety stands
Removing Old Subsidiary Tank:
- Park vehicle on level surface, engage parking brake, and securely support with jack stands
- Disconnect fuel lines connecting subsidiary tank to main tank/fuel system
- Disconnect fuel level sensor electrical connector
- Remove mounting bracket bolts or fasteners
- Carefully remove the old subsidiary tank
Installing New Subsidiary Tank:
- Clean mounting surface thoroughly
- Position the new subsidiary tank correctly and install mounting brackets
- Reconnect fuel lines — ensure tight, kink-free connections
- Connect fuel level sensor electrical connector
- Add diesel and check all connections for leaks
- Start engine and verify fuel level gauge reading
Packaging & Supply
| Packaging | Neutral box / Color box / Custom brand packaging |
| Quantity per package | 1 pc/box (standard shipment packaging) |
| Product Net Weight | 0.27 kg |
| Place of Origin | China |
| Minimum Order Quantity | Small quantities accepted |
| Delivery Time | 15–20 days after deposit |
| Warranty | 3 months |
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