RoHS Piezoresistive Vehicle Map Sensor Intake Manifold Absolute Pressure

The 0281002953 sensor is compatible with and can be substituted by the following OEM and equivalent part numbers:

Note: Always verify compatibility with your specific vehicle application before purchase. Cross-reference numbers are provided for reference purposes only and do not guarantee fitment across all listed vehicles.

The 0281002953 MAP sensor is specifically engineered for and widely used across the following engine and vehicle platforms:

Important: This sensor is primarily used in heavy-duty commercial vehicles, construction machinery, and industrial diesel engines. Always verify fitment using your vehicle's VIN and exact engine code before purchasing.

A failing or faulty 0281002953 sensor can manifest through a variety of engine performance issues. Early recognition of these symptoms can prevent more serious engine damage and costly repairs.

1. Illuminated Check Engine Light
The most common indication of a sensor issue. The ECU detects abnormal signals from the sensor and triggers the warning light. Common diagnostic trouble codes (DTCs) associated with MAP/pressure sensor failure include:

• P0105 – MAP/Barometric Pressure Circuit Malfunction

• P0106 – MAP/Barometric Pressure Circuit Range/Performance

• P0107 – MAP Sensor Circuit Low Input

• P0108 – MAP Sensor Circuit High Input

2. Rough Idle and Engine Misfires
A faulty sensor disrupts the air-fuel mixture or oil pressure monitoring, causing the engine to idle roughly or experience misfires.

3. Poor Fuel Economy
When the sensor provides incorrect data, the ECU may compensate by delivering an excessively rich or lean fuel mixture, significantly reducing fuel efficiency. Faulty MAP data can cause erratic fuel injection, wasting 10–15% more fuel.

4. Sluggish Acceleration and Loss of Power
Inaccurate pressure readings lead to improper fuel delivery, resulting in delayed throttle response, hesitation, and a general lack of power.

5. Black or Dark Exhaust Smoke
A rich fuel mixture caused by faulty sensor readings often results in dark smoke emitting from the tailpipe, particularly under acceleration.

6. Hard Starting
The engine may become difficult to start due to improper fuel mixture calculation or incorrect pressure readings.

7. Failed Emissions Test
Inaccurate air-fuel ratio control leads to increased emissions, potentially causing the vehicle to fail mandatory emissions inspections.

8. Engine Knocking or Pinging
Incorrect ignition timing resulting from faulty sensor data can cause engine knocking or pinging sounds under load.

Common causes of sensor failure include:

• Contamination – Oil or debris buildup on the sensing element

• Age and wear – Internal components degrade over time

• Heat exposure – Prolonged exposure to high under-hood temperatures

• Vibration damage – Constant engine vibration can damage internal connections

• Electrical issues – Damaged wiring, corroded connectors, or poor ground connections

When purchasing a replacement 0281002953 sensor, consider the following factors to ensure you select the right component for your vehicle.

Always confirm your vehicle's original equipment (OE) part number before purchasing. While 0281002953 is the primary reference, some vehicles may use the cross-reference number 612600090460 (Weichai OE).

Critical: Check your vehicle's VIN and engine code against the compatibility list. Physical fitment and electrical connector configuration must match exactly.

The 0281002953 is a combination oil pressure and temperature sensor designed specifically for heavy-duty diesel applications. It is not a standard naturally aspirated MAP sensor but rather a robust unit engineered for commercial vehicles, trucks, and construction machinery.

This sensor operates with a 0–3 bar pressure range (standard for Kamaz and heavy-duty applications), with a measurement range extending up to 400 bar. Confirm that your vehicle's system requires this pressure specification before purchasing.

Material quality matters. This sensor features:

• Stainless steel housing for robust construction and corrosion resistance

• Corrosion-resistant brass/copper core for longevity

• Locking metal-plastic hybrid connector for secure electrical connections

• IP67 protection rating for dust-tight and water-resistant durability

This sensor is primarily used in heavy-duty applications. Before purchasing, confirm:

• Your vehicle is a compatible model (Weichai, Kamaz, VM engines; SHACMAN, Foton, SINOTRUK, Dongfeng trucks)

• Your engine is a heavy-duty diesel (WP10, WP10H, WP12, WP13 series, etc.)

• The sensor is intended for oil pressure and temperature monitoring

Consider replacing your sensor if:

• Your vehicle has exceeded significant mileage in heavy-duty operation

• You experience rough idle, poor fuel economy, or loss of power

• You encounter hard starting or black exhaust smoke

• You have diagnostic trouble codes related to pressure sensor performance

• The sensor shows signs of physical damage, corrosion, or oil contamination

Professional installation is recommended for optimal results. Key installation considerations include:

• Proper mounting – Threaded fitting with three reinforced mounting holes

• Correct torque – Over-tightening can damage the sensor or sealing

• Electrical connection – Verify the locking connector is clean and free of corrosion

• ECU reset – Some installations may require clearing diagnostic codes and ECU adaptation

The 0281002953 features a locking metal-plastic hybrid connector with sealing. Verify that your vehicle's wiring harness connector matches this configuration.

While pricing varies significantly between suppliers, consider the following:

• Extremely low-priced units may use inferior materials or lack proper quality control

• Mid-range options often provide the best balance of quality and value

• Premium options (genuine or high-quality equivalents) typically offer better durability and more consistent performance in heavy-duty applications

Choose suppliers who offer:

• Clear warranty terms (minimum 12 months recommended)

• Hassle-free return policies

• Compatibility guarantees (with VIN verification)

Before installing the new sensor:

• Compare the new unit visually with the old one – dimensions and connector should match

• Check that the part number on the new sensor matches your requirements

• Inspect the connector pins for straightness and integrity

• Confirm the sensor is rated for your specific engine application