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Walker 235-91131 Engine Crankshaft Position Sensor
Reliable Engine Crankshaft Position Sensor for GM Vehicles
The Walker Products FSK 235-91131 engine crankshaft position sensor is designed to provide accurate and consistent performance for select Buick, Chevrolet, Oldsmobile, and Pontiac models. This black sensor features a durable design with essential mounting components included for straightforward installation.
- Color: Black for corrosion resistance and durability
- Single male connector for secure electrical connection
- Two mounting holes for stable and precise sensor placement
- Includes mounting bracket for easy installation
Walker Products FSK Line Overview
The Walker Products FSK line focuses on delivering reliable sensor solutions tailored for engine management systems. This product line emphasizes quality construction and fitment accuracy, ensuring compatibility with various GM vehicles. The 235-91131 crankshaft position sensor is part of this line, providing dependable engine timing data critical for optimal vehicle operation.
Product Details and Compatibility
The Walker 235-91131 crankshaft position sensor is engineered to work with multiple GM makes and models, including Buick Century, Chevrolet Impala, Lumina, Monte Carlo, Oldsmobile Cutlass Supreme, and Pontiac Grand Am, Grand Prix, and Skylark. Its black housing and male connector design ensure a secure fit and reliable signal transmission. The included mounting bracket and two mounting holes facilitate proper alignment and secure attachment, which is essential for accurate engine timing readings.
Common Applications and Problem Resolution
- Resolves engine misfires caused by faulty crankshaft position signals
- Addresses starting difficulties related to sensor failure
- Eliminates irregular engine idling and stalling issues
- Corrects inaccurate engine timing data affecting fuel injection
- Prevents check engine light triggers linked to crankshaft sensor faults
Installation Notes and Tips
When installing the Walker 235-91131 sensor, ensure the mounting bracket is securely fastened using the two provided mounting holes. Verify the male connector is fully engaged with the vehicle’s wiring harness to prevent signal interruptions. It is recommended to disconnect the battery before installation to avoid electrical shorts. Proper sensor alignment is critical for accurate engine timing data.
Quality Assurance and Warranty
Walker Products FSK sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. This crankshaft position sensor undergoes rigorous quality control testing to maintain consistent standards. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
| Part Number | 235-91131 |
| Position | Walker Products FSK |
| Color | Black |
| Connector Gender | Male |
| Connector Quantity | 1 |
| Mounting Bracket Included | Yes |
| Mounting Hole Quantity | 2 |
This part fits 43 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2005 | Chevrolet | Impala | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2005 | Chevrolet | Monte Carlo | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2004 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2004 | Chevrolet | Impala | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2004 | Chevrolet | Monte Carlo | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2003 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2003 | Chevrolet | Impala | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2003 | Chevrolet | Monte Carlo | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2003 | Pontiac | Grand Prix | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2002 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2002 | Chevrolet | Impala | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2002 | Chevrolet | Monte Carlo | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2002 | Pontiac | Grand Prix | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2001 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2001 | Chevrolet | Impala | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2001 | Chevrolet | Lumina | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2001 | Chevrolet | Monte Carlo | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2001 | Pontiac | Grand Prix | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2000 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2000 | Chevrolet | Impala | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2000 | Chevrolet | Lumina | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2000 | Chevrolet | Monte Carlo | 3.4L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 2000 | Pontiac | Grand Prix | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1999 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1999 | Chevrolet | Lumina | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1999 | Chevrolet | Monte Carlo | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1999 | Pontiac | Grand Prix | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1998 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1998 | Buick | Skylark | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1998 | Chevrolet | Lumina | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1998 | Chevrolet | Monte Carlo | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1998 | Pontiac | Grand Am | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1998 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK | |
| 1998 | Pontiac | Grand Prix | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1997 | Buick | Century | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1997 | Buick | Skylark | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1997 | Chevrolet | Lumina | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1997 | Chevrolet | Monte Carlo | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1997 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | Timing Cover Placement; Walker Products FSK | |
| 1997 | Pontiac | Grand Am | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
| 1997 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK | |
| 1997 | Pontiac | Grand Prix | 3.1L | V6 | GAS | N/A | Engine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.