Walker 235-1655 Engine Crankshaft Position Sensor

Walker 235-1655 Crankshaft Position Sensor

Walker 235-1655 is an engine crankshaft position sensor for select Porsche applications, including 1997-2002 Porsche Boxster and 1999-2002 Porsche 911. It provides the crankshaft signal the engine management system uses for ignition timing and fuel control.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Fits 1997-2002 Porsche Boxster and 1999-2002 Porsche 911
• Built by Walker Products, a long-standing manufacturer of engine sensors and fuel system components
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker engineering, product management, and technical documentation
• Cross-references Standard Ignition PC577 and Spectra Premium S10505 for the same application

Product Details

Walker Products has supplied automotive fuel system and engine management components since 1946. The Walker Products line includes sensors and related engine control parts, with production backed by in-house engineering and product support. Part number 235-1655 is an OE-style crankshaft position sensor for Porsche Boxster and Porsche 911 models listed in the fitment data, making it a direct replacement choice for vehicles that need accurate crankshaft signal input.

Common Issues This Sensor Can Help Address

• Hard starting or extended cranking
• Intermittent stalling or sudden engine shutdown
• Misfire or rough running caused by an unreliable crank signal
• No-start conditions related to crankshaft position signal loss
• Check engine light concerns tied to crankshaft sensor faults

Installation Notes and Tips

Verify the connector style, mounting location, and engine application against the original sensor before installation. Clean the mounting area and inspect the harness for damage, corrosion, or oil contamination that could affect signal quality. After installation, clear any stored diagnostic trouble codes and confirm proper engine operation.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with quality control supported by engineering and technical staff.