Delphi SS12133 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for OE Fit

The Delphi SS12133 engine crankshaft position sensor is built for accurate crankshaft signal input and reliable engine management performance. It is a direct-fit ignition sensor for select Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x applications from 2008-2009.

Delphi draws on OE experience and supplier knowledge developed over decades of original equipment service, bringing that heritage into this aftermarket crankshaft position sensor.

Key Features

• Engine crankshaft position sensor for ignition and engine timing signal input
• Black housing with oval female connector
• 3-terminal male pin design with 1 connector
• Wiring harness not included
• Package contents: engine crankshaft position sensor and instruction sheet
• Direct replacement for Delphi SS12133 applications

Detailed Description

The Delphi SS12133 is an engine crankshaft position sensor engineered for vehicles that rely on precise crankshaft position data to manage spark timing and engine operation. It uses a single oval connector with a female connector gender and male terminals, matching the listed OE-style electrical interface for a clean replacement on 2008-2009 Chevrolet Trailblazer, 2008-2009 GMC Envoy, and 2008-2009 Saab 9-7x models. This part number, SS12133, is also referenced in cross-application catalogs under Standard Ignition PC818.

Built from Delphi’s OE background, this sensor supports accurate signal delivery for engine control systems that depend on consistent crankshaft position feedback. If you are replacing a failing crankshaft sensor on a Chevrolet Trailblazer, GMC Envoy, or Saab 9-7x, SS12133 provides a direct-fit service part for the listed vehicles.

What It Helps Address

• Hard starting caused by an incorrect crankshaft position signal
• Intermittent stalling related to sensor signal loss
• Misfire or rough-running conditions tied to timing input errors
• Check engine light concerns associated with crankshaft sensor faults
• Engine no-start conditions when the crankshaft signal is unavailable

Installation Notes and Tips

Verify connector shape, terminal count, and sensor location before installation. This Delphi SS12133 sensor does not include a wiring harness, so inspect the vehicle harness and connector for corrosion, bent terminals, or damaged locking tabs before connecting the new part. Follow the included instruction sheet and confirm proper routing away from heat and moving components.

Compatible With 2008-2009 Chevrolet Trailblazer, 2008-2009 GMC Envoy, and 2008-2009 Saab 9-7x. For fitment verification, match the vehicle year, make, model, and connector style to the listing details before service.

Quality Assurance

Delphi applies OE heritage and original equipment supplier knowledge to this aftermarket crankshaft position sensor. The SS12133 is built to meet the needs of the listed applications using the specified connector and terminal configuration.