Motorad 1KR172 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor Overview

The Motorad 1KR172 engine crankshaft position sensor provides OEM-level signal accuracy for engine management on select Audi and Volkswagen applications. It is built in IATF16949-certified facilities and uses a gray housing with a female oblong connector, blade terminals, and a 3-terminal layout for a direct-fit replacement.

Compatible with 2000-2001 Audi A6 Quattro, 2001-2006 Audi A4, 2001-2005 Audi A4 Quattro, and 2000-2005 Volkswagen Passat applications, the 1KR172 supports precise crankshaft position input for proper ignition and fuel control.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• OEM-accuracy signal output for consistent crankshaft position feedback
• Gray sensor body with oblong female connector
• Blade-style terminals with 3-terminal male interface
• Single mounting hole design
• Manufactured in IATF16949-certified facilities
• Motorad part number 1KR172

Detailed Description

The Motorad 1KR172 is a crankshaft position sensor engineered for direct replacement on select Audi A4, Audi A4 Quattro, Audi A6 Quattro, and Volkswagen Passat models. As part of the engine management system, the sensor monitors crankshaft position and sends the signal needed for accurate ignition timing and fuel delivery. The compact 0.7-inch sensor body, female connector, and blade terminal design support OE-style fitment where the original sensor uses the same configuration. This part cross-references 2134473 and 19236402 for the same application.

Common Problems This Sensor Can Help Address

• Hard starting caused by an inaccurate crankshaft position signal
• Intermittent stalling from a failing engine speed input
• Misfire or rough running related to timing signal loss
• Check engine light concerns tied to crankshaft sensor faults
• No-start conditions on Audi A4, Audi A4 Quattro, Audi A6 Quattro, or Volkswagen Passat models

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style against the original sensor before installation. This 1KR172 sensor does not include a wiring harness or mounting bracket, so reuse the vehicle’s existing components where applicable. Confirm fitment by year, make, and model before ordering, especially on Audi A4 and Volkswagen Passat applications.

Quality Assurance

Motorad manufactures this crankshaft position sensor in IATF16949-certified facilities to support consistent production quality and OE-level accuracy. The 1KR172 is backed by a limited lifetime warranty.