PERKINS common rail pressure sensor U5MK1236 is a key sensing component of the common rail fuel system. Its core adopts micro capacitance sensing technology, which can capture pressure fluctuations of 0.5 bar in the fuel rail within 0.01 seconds, convert the pressure signal into an electrical signal in real time, and transmit it to the ECU to ensure that the engine adjusts the fuel injection strategy in real time according to load changes, avoiding insufficient combustion or power loss caused by pressure deviation.
In terms of perception accuracy, the measurement error is controlled within ± 0.3% through laser calibration technology, which can maintain stable signal output even in the common pulse pressure environment of high-pressure common rail systems. This precision directly improves the control accuracy of fuel injection, increasing the idle stability of the engine by 15%, and making the power response faster during high-speed operation, especially suitable for heavy-duty trucks, large construction machinery and other equipment that are highly sensitive to working conditions.
The material selected is aerospace grade ceramic induction core, which is fully sealed with stainless steel shell to form IP6K9K level protection capability. It can withstand extreme temperatures ranging from -40 ℃ to 125 ℃, and is corrosion-resistant when immersed in media such as diesel and engine oil for a long time. It also has excellent resistance to electromagnetic interference and will not experience signal drift even near high-voltage wiring harnesses, ensuring continuous and reliable operation in complex cabin environments.
The compatible models cover PERKINS 2000 series and 4000 series common rail engines, including mainstream models such as 2006C-E13TAG3 and 4012-46TWG2, which are widely used in commercial vehicles, generator sets, and other fields. The installation adopts a standardized plug design, which is completely compatible with the original vehicle harness interface, without the need for wire cutting or modification. Simply align with the positioning hole and insert and tighten the fixing screw. Ordinary maintenance personnel can complete the replacement within 10 minutes.
During operation, the sensor is equipped with a built-in temperature compensation circuit that can automatically correct the impact of ambient temperature on measurement, ensuring consistent data accuracy during cold start or high temperature operation. Its unique anti condensation design disperses condensed water vapor through internal micro heating elements, avoiding signal short circuits in high humidity environments and reducing the probability of failure.
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4006 -23TAG3A
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DGDF2378U14389S
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Maintenance parts
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ITEM
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Part name
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Part number
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1
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Fuel Filter
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SE429B/4
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2
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Oil Filter
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SE111B
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3
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Air Filter
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S551/4
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4
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ALTERNATOR BELT
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541/398
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5
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FAN BELT
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541/439
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minor repair
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ITEM
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Part name
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Part number
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1
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SEAL - ROCKER BOX COVER
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SE478F
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2
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GASKET - CYLINDER HEAD
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SE2H
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3
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THERMOSTAT
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SE573/1
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4
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FRONT OIL SEAL
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554/126
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5
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SEAL - REAR END OIL
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554/127
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medium repair
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ITEM
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Part name
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Part number
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1
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Fuel Filter
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SE429B/4
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2
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Oil Filter
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SE111B
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3
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ALTERNATOR BELT
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541/398
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4
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FAN BELT
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541/439
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5
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Air Filter
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S551/4
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6
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SEAL - ROCKER BOX COVER
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SE478F
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7
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GASKET - CYLINDER HEAD
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SE2H
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8
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PISTON RING KIT
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359/552
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9
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INTAKE AND EXHAUST VALVE
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SE7AJ/14
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10
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INJECTOR
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858/25
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11
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THERMOSTAT
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SE573/1
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12
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TOP GASKET KIT
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6SE663R
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13
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BOTTOM GASKET KIT
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6SE663N
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overhaul
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ITEM
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Part name
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Part number
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1
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Fuel Filter
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SE429B/4
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2
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Oil Filter
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SE111B
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3
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FAN BELT
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541/439
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4
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ALTERNATOR BELT
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541/398
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5
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Air Filter
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S551/4
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6
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THERMOSTAT
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SE573/1
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7
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VALVE SEAT INSERT
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740/101
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8
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VALVE SEAT INSERT
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740/106
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9
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VALVE GUIDE
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392/42
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10
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INTAKE AND EXHAUST VALVE
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SE7AJ/14
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11
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VALVE COLLET
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HW7B/18
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12
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VALVE SPRING
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365/472
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13
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CAP
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L7C/15
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14
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BIG END BEARING KIT
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SE91AA/3M
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15
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PISTON AND RING KIT
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SE901BA
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16
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CYLINDER LINER
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SE7E/2
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17
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SEAL - O RING
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576/167
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18
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MAIN BEARING KIT
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SE574D/M
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19
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THRUST WASHER KIT
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262/149
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20
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STARTER MOTOR
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701/136
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21
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WATER PUMP
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SE145AX
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22
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ALTERNATOR
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702/186
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23
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INJECTOR
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858/25
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24
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TURBOCHARGER
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SE652CJ
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25
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GASKET - TURBOCHARGER
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282/292
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26
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GASKET - CYLINDER HEAD
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SE2H
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27
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SEAL - ROCKER BOX COVER
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SE478F
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28
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FRONT OIL SEAL
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554/126
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29
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SEAL - REAR END OIL
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554/127
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30
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SEAL - SUMP
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6SE70C
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31
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PRIMING PUMP
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879/39
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32
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OIL PUMP
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SE116AC
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33
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PRESSURE SWITCH
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782/175
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34
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SPEED SENSOR
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838/14
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35
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SPEED SENSOR
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680/124
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36
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CRANKSHAFT ASSEMBLY
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6SE92Q
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37
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CAMSHAFT
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6SE100AD
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