Powertrain Control

2003 Jeep Grand Cherokee Oxygen Sensor, Engine Control Module, Camshaft Position Sensor, Knock Sensor

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2003 Jeep Grand Cherokee
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3 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Electrical - Ignition System (4.0L)
    2003 Jeep Grand Cherokee Powertrain Control Diagram 1 - Thumbnail
  • 2.Electrical - Ignition System (4.7L)
    2003 Jeep Grand Cherokee Powertrain Control Diagram 2 - Thumbnail
  • 3.Emission System - Emission Components
    2003 Jeep Grand Cherokee Powertrain Control Diagram 3 - Thumbnail
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • 4
    68303918AA
    Plug
    Spark Plug
    • Part Notes: 4.7L, Without HO Engine
    MSRP: $18.35 Your Price: $12.54
    1
    Add To Cart
  • 4
    68303974AA
    Spark Plug
    • Part Notes: 4.7L, With HO Engine
    MSRP: $13.35 Your Price: $9.28
    1
    Add To Cart
  • 4
    68304022AA
    Plug
    Spark Plug
    • Part Notes: 4.0L
    MSRP: $16.70 Your Price: $11.60
    1
    Add To Cart
  • 12
    56029405
    Sensor - Map
    M.A.P. Sensor
    • Part Notes: 2002-04, 4.0L
    MSRP: $272.00 Your Price: $181.75
    1
    Add To Cart
  • 12
    68002763AA
    Sensor - Map
    M.A.P. Sensor
    • Part Notes: 2002-04, 4.7L
    MSRP: $167.00 Your Price: $112.00
    1
    Add To Cart
  • 13
    56041941AA
    Sensor - Oxygen
    Front Oxygen Sensor
    • Part Notes: 2002-04, 4.7L
    • Location: Passenger Side
  • 13 Jeep 56041943AA Sensor - Oxygen
    56041943AA
    Sensor - Oxygen
    Front Oxygen Sensor
    • Part Notes: 2002-04, 4.0L
    • Location: Driver Side
    MSRP: $284.00 Your Price: $190.91
    1
    Add To Cart
  • 13
    56041944AA
    Sensor - Oxygen
    Front Oxygen Sensor
    • Part Notes: 2002-04, 4.0L
    • Location: Passenger Side
    MSRP: $207.00 Your Price: $138.13
    1
    Add To Cart
  • 13
    56029333AA
    Sensor - Oxygen
    Front Oxygen Sensor
    • Part Notes: 2002-04, 4.7L
    • Location: Driver Side
    MSRP: $231.00 Your Price: $110.54
    1
    Add To Cart
  • Jeep 4799613AB CASE Transmission
    4799613AB
    CASE Transmission
    • Fitting Vehicle Options: DGQ - 5-Speed Automatic Transmission 5-45RFE, J - JEEP - 4WD, T - JEEP - 2WD
    • Replaced By: 5189883AC
    MSRP: $2300.00 Your Price: $1508.33

OEM 2003 Jeep Grand Cherokee Parts for Powertrain Control

Authentic OEM Jeep components offer both excellent performance and a long service life. These genuine 2003 Jeep Grand Cherokee parts are made of high quality materials to ensure they are as durable and strong as possible. The suitable option for vehicle maintenance, they are easy to install as per the instructions of the factory. To get new OE Powertrain Control parts, select JeepPartsDeal.com. We offer authentic OEM 2003 Jeep Grand Cherokee Oxygen Sensor, Engine Control Module, Camshaft Position Sensor, Knock Sensor with manufacturer warranties, fair prices, a simple return policy and fast shipping.

Camshaft Position Sensor, Oxygen Sensor Installation and Repair Tips for 2003 Jeep Grand Cherokee

  • Q: How to Remove and Install a Camshaft Position Sensor on a 6-Cylinder Engine on 2003 Jeep Grand Cherokee?
    A: The Camshaft Position Sensor (CMP) is the 6-cylinder engine near the oil filter. To remove it disconnect the electrical connector and bolts. Mark the position of the oil pump drive, clean it and install a new gasket. Check the position of the oil pump drive with a scan tool, adjusting if required.
  • Q: How to Service an Oxygen Sensor on 2003 Jeep Grand Cherokee?
    A: In order to service oxygen sensor, the engine must be warm. Lift the car, take off the O2S pigtail harness and unscrew the sensor with a remover tool. Fit the new sensor, do not apply any anti-seize compound and screw to a tight of 30 Nm, re-connect the wiring and lower the vehicle.
See All Installation and Repair Tips