OEM Standard Sub Fuel Tank Unit with Corrosion-Resistant Construction and Precision Level Sensor for Isuzu NKR77 4JH1

The Sub Fuel Tank Unit (OEM Numbers: 8-94316190-0 / 8943161900) is a premium-quality, direct replacement fuel system component designed for Isuzu NKR77 light-duty trucks equipped with the 4JH1 diesel engine and auxiliary fuel tanks.

• OE Quality: Manufactured to Isuzu dimensional and electrical specifiions for perfect fit and accurate fuel level reading
• Precision Level Sensor: Provides reliable resistance sweep (empty to full) for the fuel gauge
• Corrosion-Resistant Construction: Suitable for long-term immersion in diesel fuel
• Direct Replacement: Simple drop-in installation - matches OE mounting and electrical connector
• Restores Gauge Accuracy: Eliminates false or erratic fuel level readings
• Cost-Effective: Affordable alternative to genuine OEM units

This sub fuel tank unit is specifically designed for Isuzu NKR77 trucks with auxiliary fuel tanks.

• ISUZU NKR77 (light-duty truck, with sub tank)
• May also fit other Isuzu NKR/NPR models with sub tank - verify compatibility

• 4-Cylinder, Inline Diesel, Turbocharged
• Displacement: 3.0L (2999cc)

Typical installation steps for sub fuel tank unit:

1. Safely lift and support the vehicle. Drain fuel from the sub tank
2. Access the sub fuel tank unit (through an access panel or by lowering the tank)
3. Disconnect the electrical connector and fuel lines (if equipped with transfer pump)
4. Remove the lock ring or mounting screws
5. Lift out the old unit, taking care not to damage the float arm
6. Compare new unit with old (tank depth, float length, connector)
7. Clean the tank opening and sealing surface
8. Install a new gasket (if supplied) and insert the new unit
9. Secure with lock ring or screws. Tighten to specifiion
10. Reconnect fuel lines and electrical connector
11. Refill the sub tank and check for leaks
12. Test fuel gauge operation (fill main and sub tanks, verify readings)

• Electrical Test: Sensor resistance measured at empty, half, and full positions
• Float Arm Movement: Smooth operation verified throughout full travel
• Dimensional Inspection: Tank depth, flange diameter, and connector orientation verified
• Leak Test: Unit sealed to prevent fuel leakage
• Visual Inspection: 100% checked for defects
• Packaged Safely: Sealed in plastic bag, boxed with foam

• Neutral export packing or customized packaging available
• Carton or wooden case for safe transportation
• Fast delivery for stock items
• Shipping by Express Air or Sea