Walker 235-1878 Engine Crankshaft Position Sensor

Walker 235-1878 Crankshaft Position Sensor

Walker Products 235-1878 is an engine crankshaft position sensor built for accurate crankshaft signal input in supported applications. It is a direct-fit replacement for select Chevrolet Spark and Pontiac Matiz models, helping maintain proper engine management performance.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Fits 2013-2015 Chevrolet Spark, N/A
• Fits 2007 Pontiac Matiz, N/A
• Walker Products part number 235-1878 for application-specific lookup
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering, product management, and technical resources

Application Details

This sensor is used in vehicles that rely on crankshaft position data for ignition timing and engine control. For fitment-based searches, look for Walker 235-1878 when replacing the crankshaft position sensor on a 2013-2015 Chevrolet Spark or a 2007 Pontiac Matiz. This part cross-references Standard Ignition PC1001 for the same application.

What It Helps Address

• Crankshaft signal loss or intermittent sensor output
• Hard starting or extended crank time
• Engine stalling related to crank signal faults
• Check engine light conditions tied to crankshaft position sensor codes
• Rough running caused by inaccurate engine speed input

Installation Notes

Verify the connector style, mounting location, and engine application before installation. Compare the original sensor to Walker 235-1878 and confirm the vehicle year, make, and model match the listed fitment. Clear diagnostic trouble codes after installation and recheck for proper engine operation.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures to OEM-level standards under ISO 9001/IATF 16949 quality systems. The brand supports its parts with engineering oversight and technical documentation for accurate application coverage.