Motorad 1KR142 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for GM Applications

The Motorad 1KR142 engine crankshaft position sensor is built for OE-level accuracy and stable engine management performance. It is a direct-fit replacement for a wide range of Chevrolet, GMC, Cadillac, Buick, Pontiac, Hummer, Saab, and related GM vehicles.

With a gray housing, 3 blade terminals, and a single female connector, this crankshaft position sensor is designed for clean signal transfer and consistent fitment in supported applications.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• OE-accuracy replacement for supported GM vehicles
• Gray sensor body with oblong connector shape
• 1 connector, 3 terminals, blade terminal type
• Female connector and male terminals
• Single mounting hole design
• No wiring harness included
• No mounting bracket included
• Sensor body diameter: 0.74 in.
• Motorad part number 1KR142

Product Details

Motorad 1KR142 is an engine crankshaft position sensor used to monitor crankshaft position and speed so the engine control system can manage timing and fuel delivery accurately. MotoRad manufactures these sensors in IATF16949 certified facilities, supporting consistent production quality for GM truck, SUV, performance, and passenger car applications. This part cross-references AC Delco 917760 and 2133520 for the same application.

Compatible With 2006-2020 Chevrolet Express 1500, Express 2500, Express 3500, Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 HD, Silverado 3500 Classic, Silverado 1500 Classic, Silverado 1500 HD Classic, Suburban 1500, Suburban 2500, Suburban 3500 HD, Tahoe, Avalanche, Camaro, Caprice, Colorado, Corvette, Impala, Monte Carlo, SS, Trailblazer, Cheyenne, and more listed GM applications; 2006-2020 GMC Savana 1500, Savana 2500, Savana 3500, Sierra, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500, Envoy, Canyon, and Sierra 1500 HD Classic; plus Cadillac CTS, Escalade, Escalade ESV, Escalade EXT, Buick Allure, LaCrosse, Pontiac G8, Grand Prix, Hummer H2, H3, H3T, and Saab 9-7x applications shown in the fitment data.

Common Issues This Sensor Can Address

• Crankshaft position signal loss or intermittent signal faults
• Hard starting or extended crank conditions
• Engine stalling or sudden shutdowns
• Misfire-related drivability concerns tied to crank signal input
• Check engine light conditions related to crankshaft position sensor performance

Installation Notes and Tips

Verify connector style, terminal count, and mounting-hole layout before installation. This sensor uses one female connector with three male terminals and does not include a wiring harness or mounting bracket. Confirm the vehicle’s exact engine and connector orientation against the fitment notes, especially for 2007 Chevrolet Silverado Classic and related classic-body applications with connector locating tab requirements.

Quality Assurance

MotoRad manufactures this crankshaft position sensor in IATF16949 certified facilities and backs engine management products with a limited lifetime warranty. The Motorad 1KR142 is built for dependable replacement performance in supported Chevrolet, GMC, Cadillac, Buick, Pontiac, Hummer, and Saab applications.