Prenco 4D-1077 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for GM Trucks

Prenco 4D-1077 is an engine crankshaft position sensor for select Chevrolet and GMC applications. It uses a 3-terminal blade connection with one oblong female connector and a 0.73-inch sensor body diameter for a direct-fit style replacement in the listed vehicles.

Key Features

• Engine crankshaft position sensor for ignition system signal monitoring
• Blade terminal type with 3 terminals
• 1 oblong female connector for vehicle-specific fitment
• Sensor body diameter: 0.73 in.
• Mounting bracket not included
• Cross-references Standard Ignition PC269 for the same application
• Part number: Prenco 4D-1077

Detailed Description

Prenco 4D-1077 is built for vehicles that rely on accurate crankshaft position input to manage ignition timing and engine operation. This crankshaft position sensor matches the listed connector style and terminal layout, making it a practical replacement for 2001-2007 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, Chevrolet Suburban 2500, Chevrolet Avalanche 2500, Chevrolet Express 3500, GMC Sierra 2500 HD, GMC Sierra 3500, GMC Yukon XL 2500, and GMC Savana 3500 applications. The Prenco 4D-1077 part number is also referenced under several OE and aftermarket numbers for the same use case.

What It Helps Address

• Crankshaft signal loss that can trigger hard starting
• Intermittent stalling or rough engine operation
• Check engine light concerns related to crankshaft position input
• Erratic ignition timing caused by a failing sensor
• No-start conditions tied to missing engine speed data

Installation Notes and Tips

Verify connector shape, terminal count, and sensor body diameter before installation. This sensor uses one female oblong connector with three male blade terminals and does not include a mounting bracket. Confirm the vehicle application against the listed fitment for 2001-2007 Chevrolet and GMC trucks and vans before replacing the original unit.

Quality Assurance

Prenco supplies this crankshaft position sensor as an OE-style replacement for the listed GM applications. It cross-references Standard Ignition PC269 and other listed part numbers for the same application, helping simplify part matching during service.

Compatible Vehicles

• Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A
• Fits 2007 Chevrolet Silverado 3500 Classic, N/A
• Fits 2007 GMC Sierra 2500 HD Classic, N/A
• Fits 2007 GMC Sierra 3500 Classic, N/A
• Fits 2002-2006 Chevrolet Avalanche 2500, N/A
• Fits 2001-2006 Chevrolet Silverado 2500 HD, N/A
• Fits 2001-2006 Chevrolet Silverado 3500, N/A
• Fits 2001-2006 Chevrolet Suburban 2500, N/A
• Fits 2001-2006 GMC Sierra 2500 HD, N/A
• Fits 2001-2006 GMC Sierra 3500, N/A
• Fits 2001-2006 GMC Yukon XL 2500, N/A
• Fits 2001-2002 Chevrolet Express 3500, N/A
• Fits 2001-2002 GMC Savana 3500, N/A