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Prenco 4D-1271 Engine Crankshaft Position Sensor
| Brand | Prenco 4D-1271 |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Oblong |
| Mounting Bracket Included | No |
| Sensor Body Diameter | 0.74 |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Blade |
| Fits | Buick, Chevrolet, Pontiac, and Saturn · 41 vehicles |
Crankshaft position sensor. Monitors crankshaft position for precise engine timing.
Blade terminals. Three male terminals with one female oblong connector.
Compact sensor body. 0.74-inch diameter for a space-saving fit.
Cross-references Standard Ignition PC686, 12591007 and 12598208 for the same application. See all 3.
Engine Crankshaft Position Sensor for GM Applications
The Prenco 4D-1271 engine crankshaft position sensor provides the signal the engine control module uses to monitor crankshaft speed and position. It is a direct-fit style replacement for a range of GM vehicles, including Chevrolet Impala, Malibu, Equinox, and Uplander applications.
Built with a 3-terminal blade connection, 1 female connector, and an oblong connector shape, this sensor is specified for straightforward electrical matching. The compact sensor body measures 0.74 in diameter and does not include a mounting bracket.
Key Features
- Prenco 4D-1271 crankshaft position sensor for ignition and engine management service
- 3-terminal blade design with 1 female connector
- Oblong connector shape for OE-style fitment
- Sensor body diameter: 0.74 in
- Mounting bracket not included
- Cross-references Standard Ignition PC686 for the same application
Fitment Details
- Fits 2009-2011 Buick Lucerne, N/A
- Fits 2006-2011 Chevrolet Impala, N/A
- Fits 2007-2010 Chevrolet Malibu, N/A
- Fits 2006-2010 Pontiac G6, N/A
- Fits 2008-2010 Saturn Vue, N/A
- Fits 2008-2009 Chevrolet Equinox, N/A
- Fits 2006-2009 Chevrolet Uplander, N/A
- Fits 2006-2009 Pontiac Montana, N/A
- Fits 2007-2009 Pontiac Torrent, N/A
- Fits 2007-2008 Saturn Aura, N/A
- Fits 2006-2007 Buick Terraza, N/A
- Fits 2006-2007 Chevrolet Monte Carlo, N/A
- Fits 2007 Saturn Relay, N/A
What This Sensor Helps Address
- Crankshaft position signal loss
- Intermittent stalling or no-start conditions
- Rough running caused by inaccurate engine speed input
- Check engine light concerns related to crankshaft position sensor faults
- Driveability issues on Chevrolet Impala, Malibu, and Equinox applications
Installation Notes
Verify connector style, terminal count, and sensor body diameter before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs, and confirm the mounting location is clean and free of debris. This part number is Prenco 4D-1271.
Quality Assurance
Prenco 4D-1271 is cataloged as an OE-style replacement crankshaft position sensor for listed GM applications. It also cross-references GM OE part numbers 12591007 and 12598208, along with Standard Ignition PC686, for the same application.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Buick | Lucerne | N/A | — |
| 2011 | Chevrolet | Impala | N/A | — |
| 2010 | Buick | Lucerne | N/A | — |
| 2010 | Chevrolet | Impala | N/A | — |
| 2010 | Chevrolet | Malibu | N/A | — |
| 2010 | Pontiac | G6 | N/A | — |
| 2010 | Saturn | Vue | N/A | — |
| 2009 | Buick | Lucerne | N/A | — |
| 2009 | Chevrolet | Equinox | N/A | — |
| 2009 | Chevrolet | Impala | N/A | — |
| 2009 | Chevrolet | Malibu | N/A | — |
| 2009 | Chevrolet | Uplander | N/A | — |
| 2009 | Pontiac | G6 | N/A | — |
| 2009 | Pontiac | Montana | N/A | — |
| 2009 | Pontiac | Torrent | N/A | — |
| 2009 | Saturn | Vue | N/A | — |
| 2008 | Chevrolet | Equinox | N/A | — |
| 2008 | Chevrolet | Impala | N/A | — |
| 2008 | Chevrolet | Malibu | N/A | — |
| 2008 | Chevrolet | Uplander | N/A | — |
| 2008 | Pontiac | G6 | N/A | — |
| 2008 | Pontiac | Montana | N/A | — |
| 2008 | Pontiac | Torrent | N/A | — |
| 2008 | Saturn | Aura | N/A | — |
| 2008 | Saturn | Vue | N/A | — |
| 2007 | Buick | Terraza | N/A | — |
| 2007 | Chevrolet | Impala | N/A | — |
| 2007 | Chevrolet | Malibu | N/A | — |
| 2007 | Chevrolet | Monte Carlo | N/A | — |
| 2007 | Chevrolet | Uplander | N/A | — |
| 2007 | Pontiac | G6 | N/A | — |
| 2007 | Pontiac | Montana | N/A | — |
| 2007 | Pontiac | Torrent | N/A | — |
| 2007 | Saturn | Aura | N/A | — |
| 2007 | Saturn | Relay | N/A | — |
| 2006 | Buick | Terraza | N/A | — |
| 2006 | Chevrolet | Impala | N/A | — |
| 2006 | Chevrolet | Monte Carlo | N/A | — |
| 2006 | Chevrolet | Uplander | N/A | — |
| 2006 | Pontiac | G6 | N/A | — |
| 2006 | Pontiac | Montana | N/A | — |
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