The OEM MAP Sensor (Manifold Absolute Pressure Sensor) for Isuzu 6HK1 and 4HK1 engines is a precision-engineered component that accurately measures the pressure inside the intake manifold. These readings help the ECU (Engine Control Unit) optimize fuel injection and ignition timing, ensuring maximum performance, fuel efficiency, and emission control.
Built to OEM specifications, this MAP sensor guarantees a direct fit and reliable operation for Isuzu NPR, NQR, and F-Series diesel trucks. Made from durable, heat-resistant materials, it maintains stable signal output even under demanding engine conditions.
Replacing your faulty MAP sensor with this OEM unit helps eliminate poor acceleration, rough idling, excessive fuel consumption, and emission issues — restoring your Isuzu engine’s smooth and efficient operation.
🔧 Key Features
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✅ Genuine OEM MAP (Manifold Absolute Pressure) Sensor for Isuzu engines
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✅ Compatible with Isuzu 6HK1 and 4HK1 diesel engines
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✅ Ensures precise air pressure measurement for fuel and ignition control
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✅ Improves fuel efficiency and engine response
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✅ Reduces emissions and maintains smooth idling
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✅ Direct-fit OEM replacement — easy installation
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✅ High resistance to heat, vibration, and engine contaminants
⚙️ Compatible Applications
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Engine Models: Isuzu 6HK1, 4HK1
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Vehicle Models: Isuzu NPR, NQR, NRR, FRR, FSR, and other Isuzu truck variants
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Function: Manifold Absolute Pressure (MAP) Sensor
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Fitment Type: OEM-spec direct replacement
🌟 Benefits
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Enhances combustion control and engine performance
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Improves throttle response and fuel economy
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Restores optimal air-fuel ratio
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Prevents rough idle and misfires
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Extends lifespan of emission system components
FREQUENTLY ASKED QUESTIONS (FAQ)
What does the MAP sensor do in an Isuzu 6HK1 or 4HK1 engine?
The MAP (Manifold Absolute Pressure) sensor measures the air pressure inside the intake manifold. This data helps the ECU adjust fuel injection and ignition timing for efficient engine operation.
Is this MAP sensor compatible with both Isuzu 6HK1 and 4HK1 engines?
Yes, this OEM MAP sensor is compatible with Isuzu 6HK1 and 4HK1 diesel engines used in NPR, NQR, and F-Series trucks.
What are the symptoms of a bad MAP sensor?
Common symptoms include poor fuel economy, rough idling, loss of power, and increased emissions. Replacing the faulty sensor restores performance and efficiency.
Is this an OEM replacement part?
Yes, it is a genuine OEM MAP sensor manufactured to meet factory standards for precision, durability, and performance.
Can I install the MAP sensor myself?
Yes, installation is quick and straightforward with basic tools. Ensure the connector is clean and secure for accurate readings.
How does a new MAP sensor improve engine performance?
A new MAP sensor ensures accurate pressure readings, allowing the ECU to optimize air-fuel ratio, improve throttle response, and reduce fuel consumption.
Sensor Map – OEM | Isuzu 6HK1 / 4HK1 Engine
OE Replacement: 8-28139775-0, 8281397750
Fits Following: NPR NPR-HD NQR NRR / 6HK1 7.8L / 4HK1 5.2L
Year: 2004-2020
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