HomeIgnition > SensorsPrenco 4D-1101 Engine Crankshaft Position Sensor - Upper
Part #: 4D-1101

Prenco 4D-1101 Engine Crankshaft Position Sensor - Upper

Upper
⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Pontiac, and Oldsmobile, DeVille, Bonneville, Seville, Aurora, and Eldorado
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Overview of Prenco Engine Crankshaft Position Sensor 4D-1101

The Prenco 4D-1101 Engine Crankshaft Position Sensor is designed for precise engine timing and performance in select Cadillac, Oldsmobile, and Pontiac vehicles. This sensor ensures accurate crankshaft position data for models such as the Cadillac DeVille and Pontiac Bonneville.

  • Terminal Type: Blade terminals for secure electrical connection
  • Connector Quantity: Single connector for streamlined installation
  • Connector Shape: Oblong design to match factory specifications
  • Terminal Quantity: Three terminals for reliable signal transmission
  • Connector Gender: Female connector compatible with male terminals
  • Terminal Gender: Male terminals for proper mating
  • Sensor Body Diameter: 0.64 inches for precise fitment
  • Mounting Bracket: Not included, designed for direct sensor mounting

Detailed Product Description

The Prenco 4D-1101 crankshaft position sensor is engineered to provide accurate rotational position data of the engine's crankshaft. Featuring a blade terminal type and a single oblong female connector, this sensor is compatible with the electrical systems of Cadillac Aurora, Oldsmobile Seville, and Pontiac Eldorado models. The three male terminals ensure consistent signal integrity, while the 0.64-inch sensor body diameter allows for a precise fit within the engine assembly. Although the mounting bracket is not included, the sensor is designed for straightforward installation using existing mounting points.

Compatible Vehicles and Applications

This crankshaft position sensor is compatible with the following makes and models:

  • Cadillac Aurora, DeVille, Eldorado, Seville
  • Oldsmobile Bonneville
  • Pontiac Bonneville, Eldorado

It is intended for use in engine management systems to monitor crankshaft position and speed, which is critical for ignition timing and fuel injection control.

Common Issues Addressed by the 4D-1101 Sensor

  • Engine misfires or rough idling due to inaccurate crankshaft data
  • Difficulty starting the engine or intermittent stalling
  • Check engine light triggered by crankshaft position sensor faults
  • Poor engine performance related to timing errors
  • Reduced fuel efficiency caused by incorrect sensor signals

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid injury
  • Disconnect the battery to prevent electrical shorts during replacement
  • Verify the connector shape and terminal type match the vehicle harness
  • Use appropriate tools to avoid damaging the sensor or mounting points
  • Test sensor operation after installation to confirm proper function

Quality Assurance and Warranty

Prenco manufactures the 4D-1101 sensor to meet OEM specifications for fit and function. While no mounting bracket is included, the sensor undergoes quality checks to ensure durability and reliable performance. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.

BrandPrenco
Part Number4D-1101
Connector GenderFemale
Connector Quantity1
Connector ShapeOblong
Mounting Bracket IncludedNo
Sensor Body Diameter0.64
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
2005CadillacDeVilleUpper
2005PontiacBonnevilleUpper
2004CadillacDeVilleUpper
2004CadillacSevilleUpper
2004PontiacBonnevilleUpper
2003CadillacDeVilleUpper
2003CadillacSevilleUpper
2003OldsmobileAuroraUpper
2002CadillacDeVilleUpper
2002CadillacEldoradoUpper
2002CadillacSevilleUpper
2002OldsmobileAuroraUpper
2001CadillacDeVilleUpper
2001CadillacEldoradoUpper
2001CadillacSevilleUpper
2001OldsmobileAuroraUpper
2000CadillacDeVilleUpper
2000CadillacEldoradoUpper
2000CadillacSevilleUpper

* 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:

1255952912575481213-80696123CSS139PC275S10084SU1346

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