HomeIgnition > SensorsDorman 907-778 Engine Crankshaft Position Sensor
Part #: 907-778

Dorman 907-778 Engine Crankshaft Position Sensor

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⚙️ 62 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Century, LeSabre, Park Avenue, Regal, Riviera, Skylark, Lumina APV, 88, 98, Achieva, Cutlass Ciera, Silhouette, Toronado, Bonneville, Grand Am, Trans Sport, Reatta, Cutlass Calais, Delta 88, and Electra
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Reliable Engine Crankshaft Position Sensor for GM Vehicles

The Dorman 907-778 Engine Crankshaft Position Sensor is designed to provide accurate engine timing data for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Featuring a durable plastic construction and blade terminal type, this sensor ensures consistent performance in critical ignition functions.

  • Durable plastic material housing for long-lasting use
  • Blade terminal type for secure and reliable electrical connection
  • Includes one sensor per package for direct replacement
  • Compatible with multiple GM makes and models including Buick LeSabre, Chevrolet Lumina APV, and Pontiac Grand Am
  • OEM-quality fitment for precise engine timing and ignition control

Product Details and Attributes

The Dorman 907-778 crankshaft position sensor is constructed with a plastic body that resists corrosion and heat exposure common in engine compartments. Its blade terminal type allows for a straightforward and secure electrical connection, minimizing installation complexity and ensuring stable signal transmission. This sensor is supplied as a single unit, making it ideal for replacing a faulty or worn crankshaft position sensor in your vehicle.

Compatible Vehicles and Applications

This sensor is compatible with a range of General Motors vehicles, including Buick models such as the LeSabre, Park Avenue, and Century; Chevrolet models like the Lumina APV; Oldsmobile 88 and 98; and Pontiac models including the Grand Am, Bonneville, and Grand Prix. The Dorman 907-778 is engineered to meet the specific requirements of these vehicles, ensuring proper engine timing and ignition system operation.

Common Issues Addressed by the Crankshaft Position Sensor

  • Engine misfires or rough idling due to inaccurate crankshaft position data
  • Difficulty starting the engine or intermittent stalling
  • Check engine light illumination related to ignition timing faults
  • Poor fuel efficiency caused by incorrect engine timing signals
  • Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the Dorman 907-778 sensor, ensure the engine is cool and disconnect the battery to prevent electrical shorts. Locate the existing crankshaft position sensor on the engine block, typically near the crankshaft pulley or flywheel housing. Carefully disconnect the blade terminal connector and remove the sensor mounting bolt. Install the new sensor in the same orientation, secure it firmly, and reconnect the blade terminal. After installation, clear any diagnostic trouble codes and verify proper engine operation.

Quality Assurance and Warranty

Dorman manufactures the 907-778 crankshaft position sensor to meet or exceed OEM specifications for fit, form, and function. Each sensor undergoes rigorous quality control testing to ensure reliable performance. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandDorman
Part Number907-778
MaterialPlastic
Package Contents1 Sensor
Terminal TypeBlade

This part fits 62 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
1992BuickCentury3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1992BuickLeSabre3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992BuickPark Avenue3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992BuickRegal3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992BuickRiviera3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992BuickSkylark3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1992ChevroletLumina APVAutomatic3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992Oldsmobile883.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992Oldsmobile983.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992OldsmobileAchieva3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992OldsmobileCutlass Ciera3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992OldsmobileCutlass Cruiser3.3LV6N/APackaging Type: Box
1992OldsmobileSilhouetteAutomatic3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992OldsmobileToronado3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992PontiacBonneville3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992PontiacGrand Am3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1992PontiacTrans SportAutomatic3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991BuickCentury3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1991BuickLeSabre3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991BuickPark Avenue3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991BuickReatta3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991BuickRegal3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991BuickRiviera3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991BuickSkylark3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1991Oldsmobile983.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991OldsmobileCutlass Calais3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991OldsmobileCutlass Ciera3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991OldsmobileCutlass Cruiser3.3LV6N/APackaging Type: Box
1991OldsmobileDelta 883.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991OldsmobileToronado3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1991PontiacBonneville3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990BuickCentury3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1990BuickLeSabre3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990BuickReatta3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990BuickRegal3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990BuickRiviera3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990BuickSkylark3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1990Oldsmobile983.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990OldsmobileCutlass Calais3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990OldsmobileCutlass Ciera3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990OldsmobileCutlass Cruiser3.3LV6N/APackaging Type: Box
1990OldsmobileDelta 883.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990OldsmobileToronado3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1990PontiacBonneville3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989BuickCentury3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1989BuickLeSabre3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989BuickReatta3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989BuickRiviera3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989BuickSkylark3.3LV6N/AEngine Designation LG7; Packaging Type: Box
1989Oldsmobile983.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989OldsmobileCutlass Calais3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989OldsmobileCutlass Ciera3.3LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989OldsmobileCutlass Cruiser3.3LV6N/APackaging Type: Box
1989OldsmobileDelta 883.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989OldsmobileToronado3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1989PontiacBonneville3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1988BuickLeSabre3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1988BuickRiviera3.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1988Oldsmobile983.8LV6N/APackaging Type: Box
1988OldsmobileDelta 883.8LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1988OldsmobileToronado3.8LV6N/APackaging Type: Box
1988PontiacBonneville3.8LV6N/APackaging Type: Box

* 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:

12537111213-2795S1677CSS1PC9S10103

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