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Walker 235-1637 Engine Camshaft Position Sensor
| Brand | Walker 235-1637 |
|---|---|
| Product line | Sensor Only |
| Fits | Buick, Chevrolet, and Pontiac · 10 vehicles |
OEM-standard quality. Built to meet or exceed OEM specifications.
Engine sensor expertise. Walker Products supplies cam and crankshaft sensors.
ISO certified. Manufactured under ISO 9001/IATF16949 quality systems.
Cross-references Standard Ignition PC755, 1CS244 and 2CAM0309 for the same application. See all 12.
Walker 235-1637 Engine Camshaft Position Sensor
Walker Products 235-1637 is an engine camshaft position sensor built for direct replacement service in select GM applications. It is backed by Walker’s long-running focus on engine management components and OE-level manufacturing standards.
Key Features
- Engine camshaft position sensor for ignition and engine management service
- Walker Products aftermarket replacement part number 235-1637
- Manufactured to meet or exceed OEM standards and specifications
- Supported by Walker’s engineering, product management, and technical staff
- ISO 9001/IATF16949 certified manufacturing environment
Application Details
Compatible With 2008-2009 Buick Allure, sensor only; 2008-2009 Buick LaCrosse, engine crankshaft position sensor with seal included; 2007-2009 Chevrolet Impala; 2007-2008 Pontiac Grand Prix, engine crankshaft position sensor with seal included; and 2007 Chevrolet Monte Carlo. This Walker Products 235-1637 sensor is listed across Buick, Chevrolet, and Pontiac applications where accurate engine position input is required for proper control system operation.
Walker Products has supplied fuel system and engine sensor components since 1946. The Walker Products line includes engine management parts such as cam and crankshaft sensors, throttle position sensors, oxygen sensors, fuel injectors, spark plug wires, and related repair components for the automotive aftermarket.
This part cross-references Standard Ignition PC755 for the same application.
What It Is Used For
- Replacing a failed camshaft position sensor
- Restoring correct camshaft signal input to the engine control system
- Addressing hard-start or no-start conditions tied to sensor signal loss
- Correcting intermittent stalling or rough running caused by position-sensor faults
- Resolving diagnostic trouble codes related to camshaft position sensing
Installation Notes and Tips
Verify the vehicle application by year, make, model, and notes before installation. Inspect the connector, wiring, and mounting surface for damage or contamination before fitting the new sensor. On listed Buick LaCrosse and Pontiac Grand Prix applications, confirm the note regarding the crankshaft position sensor with seal included before ordering.
Quality Assurance
Walker Products manufactures this sensor to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical resources, and operates under ISO 9001/IATF16949 certification.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2009 | Buick | Allure | 5.3L | V8 | Sensor Only |
| 2009 | Buick | LaCrosse | 5.3L | V8 | Engine Crankshaft Position Sensor with seal included; Walker Products |
| 2009 | Chevrolet | Impala | 5.3L | V8 | Walker Products |
| 2008 | Buick | Allure | 5.3L | V8 | Sensor Only |
| 2008 | Buick | LaCrosse | 5.3L | V8 | Engine Crankshaft Position Sensor with seal included; Walker Products |
| 2008 | Chevrolet | Impala | 5.3L | V8 | Walker Products |
| 2008 | Pontiac | Grand Prix | 5.3L | V8 | Engine Crankshaft Position Sensor with seal included; Walker Products |
| 2007 | Chevrolet | Impala | 5.3L | V8 | Walker Products |
| 2007 | Chevrolet | Monte Carlo | 5.3L | V8 | Walker Products |
| 2007 | Pontiac | Grand Prix | 5.3L | V8 | Engine Crankshaft Position Sensor with seal included; Walker Products |
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