Delphi SS12459 Engine Crankshaft Position Sensor

Delphi SS12459 Crankshaft Position Sensor

Delphi SS12459 is an engine crankshaft position sensor built for accurate engine speed and crank position signal input. It is a direct-fit style replacement for select Chevrolet S10, GMC Sonoma, Chevrolet Cavalier, Pontiac Sunfire, and GMC S15 applications, with OE-calibrated testing to support consistent readings.

For drivers searching for a crankshaft position sensor for 1996-2003 Chevrolet S10 or 1996-2003 GMC Sonoma, this Delphi sensor provides the signal quality needed for proper engine management. The SS12459 part number is also referenced in several interchange listings for the same application.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• OE-standard testing and calibration for accurate signal output
• Black housing with oval connector design
• 1 connector, 2 terminals, male connector and male terminal configuration
• 1 mounting hole for application-specific installation
• Package includes the engine crankshaft position sensor and instruction sheet
• Cross-reference part numbers include Standard Ignition PC122 and 5S1687

Detailed Description

Delphi SS12459 is engineered as an OE-style crankshaft position sensor for vehicles that rely on precise crankshaft timing data. The sensor uses a single oval male connector with two male terminals and a one-hole mounting design, matching the electrical and physical requirements of the listed applications. Delphi validates and calibrates its sensors to OE standards to help maintain accurate readings in the engine control system.

This part is listed for 1996-2003 Chevrolet S10, 1996-2003 GMC Sonoma, 1997-2002 Chevrolet Cavalier, 1997-2002 Pontiac Sunfire, and 1990 GMC S15. If you are replacing a crank sensor on a Chevrolet S10, GMC Sonoma, or Pontiac Sunfire, SS12459 is a direct replacement option to verify against your original connector and mounting style. The Delphi SS12459 part number is commonly used in crankshaft position sensor searches for these GM vehicles.

What It Helps Address

• Crankshaft position signal loss
• Intermittent engine stalling
• Hard starting or no-start conditions
• Misfire or timing-related drivability concerns
• Check engine light concerns tied to crank sensor input

Installation Notes

Confirm connector shape, terminal count, and mounting style before installation. This sensor uses a male oval connector with two terminals and does not include a wiring harness or mounting bracket. Compare the original sensor location and connector indexing on the vehicle before final fitment.

Compatible With: Fits 1996-2003 Chevrolet S10, N/A; Fits 1990-1993 Chevrolet S10, N/A; Fits 1996-2003 GMC Sonoma, N/A; Fits 1997-2002 Chevrolet Cavalier, N/A; Fits 1997-2002 Pontiac Sunfire, N/A; Fits 1990 GMC S15, N/A.

Quality Assurance

Delphi sensors are developed with OE-focused validation methods and tested and calibrated to OE standards for consistent signal accuracy. That level of verification supports dependable replacement performance in the listed GM applications.