Motorad 1KR122 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for GM Applications

The Motorad 1KR122 engine crankshaft position sensor is built for direct replacement service on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. It is engineered for OEM-level signal accuracy to support consistent engine operation in crankshaft position sensor applications.

Compatible With 1996-2005 Buick Century, Skylark; 1996-2005 Chevrolet Impala, Lumina, Monte Carlo; 1996-2005 Pontiac Grand Am, Grand Prix, Trans Sport; and select Oldsmobile models with the sensor located behind the balancer pulley.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Black sensor body with oblong female connector
• 3-wire design with 3 blade terminals
• 2 mounting holes for secure installation
• Sensor body diameter: 0.5 in.
• No wiring harness included
• No mounting bracket included

Detailed Product Overview

Motorad 1KR122 is a crankshaft position sensor intended for vehicles that rely on precise crankshaft timing input to the engine control system. This sensor supports accurate engine speed and position feedback, which is critical for proper ignition timing and fuel control. It cross-references common OE and aftermarket numbers including 213330 and 917759 for the same application.

Vehicle coverage includes Fits 1997-2005 Buick Century, N/A, Located Behind Balancer Pulley; Fits 1997-1998 Buick Skylark, N/A, Located Behind Balancer Pulley; Fits 2000-2005 Chevrolet Impala, N/A, Located Behind Balancer Pulley; Fits 1997-2001 Chevrolet Lumina, N/A, Located Behind Balancer Pulley; Fits 1998-2001 Chevrolet Monte Carlo, N/A, Located Behind Balancer Pulley; Fits 2002 Chevrolet Monte Carlo, N/A; Fits 2003-2005 Chevrolet Monte Carlo, N/A, Located Behind Balancer Pulley; Fits 1998 Oldsmobile Cutlass, N/A, Located Behind Balancer Pulley; Fits 1996 Oldsmobile Silhouette, N/A, Located Behind Balancer Pulley; Fits 1997-2003 Pontiac Grand Prix, N/A, Located Behind Balancer Pulley; Fits 1997-1998 Pontiac Grand Am, N/A, Located Behind Balancer Pulley; and Fits 1996 Pontiac Trans Sport, N/A, Located Behind Balancer Pulley.

What This Sensor Helps Address

• Crankshaft position signal loss or intermittent signal faults
• Hard starting caused by inaccurate engine speed input
• Stalling or rough running related to timing signal errors
• Check engine light conditions tied to crank sensor performance
• Driveability issues on Buick Century, Chevrolet Impala, and Pontiac Grand Prix applications

Installation Notes

Verify connector style, terminal count, and mounting location before installation. This sensor uses a female oblong connector with 3 wires and 2 mounting holes, and the application notes indicate a behind-the-balancer-pulley location on many listed vehicles. Confirm the original sensor shape and harness routing before replacement.

Quality Assurance

Motorad manufactures this crankshaft position sensor in IATF 16949 certified facilities to support consistent production quality. The 1KR122 is backed by a limited lifetime warranty.