HomeIgnition > SensorsPrenco 4D-1048 Engine Crankshaft Position Sensor
Part #: 4D-1048

Prenco 4D-1048 Engine Crankshaft Position Sensor

⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jeep, Grand Cherokee, Wrangler, and TJ
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Overview of Prenco Engine Crankshaft Position Sensor 4D-1048

The Prenco 4D-1048 Engine Crankshaft Position Sensor is designed for precise engine timing and reliable performance. Specifically compatible with Jeep Grand Cherokee, TJ, and Wrangler models, this sensor ensures accurate crankshaft position detection for optimal engine operation.

  • Wiring harness length: 12.0 inches for flexible installation
  • Blade terminal type with 3 male terminals for secure electrical connection
  • Single wire and connector quantity with a rectangular female connector shape
  • Sensor body diameter of 0.73 inches for compact fitment
  • No mounting bracket included, designed for direct replacement

Technical Details and Specifications

The Prenco 4D-1048 crankshaft position sensor features a 12-inch wiring harness that provides sufficient length for installation in Jeep Grand Cherokee, TJ, and Wrangler vehicles. It includes one wire and one connector, with a rectangular female connector housing three male blade terminals. The sensor body diameter measures 0.73 inches, allowing it to fit precisely in the designated engine compartment location. This sensor does not come with a mounting bracket, so it is intended for use with existing mounting hardware on compatible Jeep models.

Compatible Jeep Models and Applications

This crankshaft position sensor is compatible with the following Jeep vehicles:

  • Jeep Grand Cherokee
  • Jeep TJ
  • Jeep Wrangler

It is engineered to provide accurate crankshaft position data to the engine control unit (ECU), which is critical for ignition timing and fuel injection control.

Common Issues Addressed by the 4D-1048 Sensor

  • Engine misfires or rough idling due to inaccurate crankshaft position signals
  • Difficulty starting the engine or no-start conditions
  • Check engine light triggered by crankshaft sensor faults
  • Poor engine performance and reduced fuel efficiency
  • Intermittent stalling or hesitation during acceleration

Installation Notes and Tips

When installing the Prenco 4D-1048 sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. Verify the rectangular female connector aligns properly with the vehicle’s male connector to avoid connection issues. Since no mounting bracket is included, use the existing bracket from the original sensor for secure mounting. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty Information

Prenco manufactures the 4D-1048 crankshaft position sensor to meet OEM specifications for Jeep Grand Cherokee, TJ, and Wrangler models. The sensor undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.

BrandPrenco
Part Number4D-1048
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular
Mounting Bracket IncludedNo
Sensor Body Diameter0.73
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade
Wire Quantity1
Wiring Harness Length12.0

This part fits 19 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2004JeepGrand CherokeeN/A
2003JeepGrand CherokeeN/A
2002JeepGrand CherokeeN/A
2002JeepWranglerAutomaticN/A
2001JeepGrand CherokeeN/A
2001JeepTJAutomaticN/A
2001JeepWranglerN/A
2000JeepGrand CherokeeN/A
2000JeepTJN/A
2000JeepWranglerN/A
1999JeepGrand CherokeeN/A
1999JeepTJN/A
1999JeepWranglerAutomaticN/A
1998JeepGrand CherokeeN/A
1998JeepTJN/A
1998JeepWranglerAutomaticN/A
1997JeepGrand CherokeeN/A
1997JeepTJN/A
1997JeepWranglerAutomaticN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4897321AA5602786856027868AB56027868AC96117CSS819PC176S10087SU3028

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.