2003 JEEP Grand Cherokee Remanufactured Engines

4.0L , 8th digit VIN : S

4.7L , 8th digit VIN : J , High Output

4.7L , 8th digit VIN : N , standard , 16 tooth crankshaft tone wheel 3 plugengine control , aka Current Generationengine control

4.7L , 8th digit VIN : N , standard , 32 tooth crank sensor tone wheel 4 plugengine controller , aka Next Generationengine controller

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