Prenco 4D-1089 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for GM and Isuzu Applications

Prenco 4D-1089 is an engine crankshaft position sensor built for direct-fit replacement in select Chevrolet, GMC, Pontiac, and Isuzu vehicles. It uses a 2-terminal blade connection with a single oblong female connector and a male terminal layout for straightforward electrical matching.

Compatible With 1996-2003 Chevrolet S10, GMC Sonoma, Chevrolet Cavalier, Pontiac Sunfire, and Isuzu Hombre applications, this sensor supports crankshaft signal input for engine timing and ignition control. The Prenco 4D-1089 is specified with a 0.74-inch sensor body diameter and no mounting bracket included.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Prenco 4D-1089 replacement part number for catalog matching
• 1 oblong female connector with 2 blade terminals
• 2-terminal male blade design for electrical connection compatibility
• 0.74-inch sensor body diameter
• No mounting bracket included
• Cross-references Standard Ignition PC122 and Spectra Premium S10098 for the same application

Detailed Description

This crankshaft position sensor monitors crankshaft position data used by the engine control system to manage spark timing and fuel delivery. It is a practical replacement choice for vehicles such as the Chevrolet S10, GMC Sonoma, Chevrolet Cavalier, Pontiac Sunfire, and Isuzu Hombre when the original sensor has failed or is producing inconsistent signals. The Prenco 4D-1089 is also referenced against common aftermarket numbers including Standard Ignition PC122 and Spectra Premium S10098.

Fits 1997-2003 Chevrolet S10, N/A. Fits 1997-2003 GMC Sonoma, N/A. Fits 1997-2002 Chevrolet Cavalier, N/A. Fits 1997-2002 Pontiac Sunfire, N/A. Fits 1997-2000 Isuzu Hombre, N/A. Fits 1996 Chevrolet S10, N/A, 2 pin. Fits 1996 GMC Sonoma, N/A, 2 pin.

Common Issues This Sensor May Address

• Hard starting or extended crank time
• Intermittent stalling while driving
• Crankshaft signal loss or erratic engine speed input
• Check engine light related to crankshaft position sensor faults
• Misfire or ignition timing concerns caused by a failing sensor signal

Installation Notes and Tips

Verify connector style, terminal count, and sensor body diameter before installation. The 1996 Chevrolet S10 and 1996 GMC Sonoma listings note a 2-pin configuration, so confirm the vehicle harness matches the sensor connector before ordering. Inspect the mounting location for corrosion, debris, or damaged wiring, and transfer only the components required by the vehicle since no mounting bracket is included.

Quality Assurance

Prenco replacement parts are cataloged for application-specific fitment and electrical configuration matching. Confirm the part number 4D-1089 against the vehicle year, make, model, and connector details before installation.