Motorad 1KR157 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Ford and Mazda

The Motorad 1KR157 engine crankshaft position sensor delivers OEM-level signal accuracy for ignition timing and engine management. It is built in IATF16949-certified facilities and supports reliable operation across a wide range of Ford, Mazda, and Mercury applications.

Compatible With 2001-2013 Ford Transit Connect, Focus, Ranger, Escape, EcoSport, Fiesta, and F-100 Ranger; 2001-2010 Mazda B2300, 2004-2006 Mazda 3, 2003-2005 Mazda 6, 2005-2008 Mazda Tribute, 2006-2007 Mazda 5; and 2005-2008 Mercury Mariner.

• Engine crankshaft position sensor for ignition and engine control systems
• Black sensor body with rectangular female connector
• Blade terminals with 2 terminal quantity
• 2 mounting holes for secure installation
• No wiring harness included
• No mounting bracket included
• Sensor body diameter: 0.82
• Cross-references Motorad 1KR157 for the same application

Detailed Product Description

The Motorad 1KR157 monitors crankshaft position so the engine control module can manage spark timing and fuel delivery with the correct signal input. This crankshaft position sensor is a direct-fit style replacement for many Ford Focus, Ford Ranger, Ford Escape, Ford Transit Connect, Mazda B2300, Mazda 3, Mazda 6, Mazda Tribute, Mazda 5, Mercury Mariner, Ford Fiesta, Ford EcoSport, and Ford F-100 Ranger applications. The rectangular connector, female connector gender, and blade terminal design support straightforward OE-style replacement where the original sensor uses the same configuration.

This part cross-references 1S7Z6C315AAA and DY888 for the same application.

Common Issues This Sensor Can Help Resolve

• Crankshaft position signal loss that can trigger stalling or no-start conditions
• Erratic engine timing caused by an inaccurate crankshaft speed signal
• Intermittent misfire concerns related to poor sensor input
• Hard starting or extended cranking from incorrect engine position data
• Check engine light faults tied to crankshaft position sensor performance

Installation Notes and Tips

Verify connector shape, terminal style, and mounting hole layout before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs, and confirm the sensor mounting surface is clean so the unit seats correctly. Because no wiring harness is included, reuse the existing vehicle harness connection.

Quality Assurance

Motorad manufactures this crankshaft position sensor in IATF16949-certified facilities to support consistent quality and OE-level accuracy. The 1KR157 is backed by a limited lifetime warranty.