Holstein 2KNC0526 Ignition Knock (Detonation) Sensor

Holstein Knock Sensor for Volkswagen EuroVan

The Holstein Parts 2KNC0526 ignition knock sensor is built for precise engine knock detection in Volkswagen EuroVan applications. It uses a 3-terminal electrical interface with a rectangular female connector and male blade terminals for a direct-fit style connection.

Key Features

• Ignition knock (detonation) sensor for engine timing feedback
• Rectangular connector shape for OE-style fitment
• 3-terminal design with female connector and male blade terminals
• Holstein Parts line component for emission control sensor applications
• Cross-references Standard Ignition KS150 for the same application

Detailed Description

Holstein Parts 2KNC0526 is an emission control sensor used to monitor engine knock and send signal input to the vehicle’s engine management system. In Volkswagen EuroVan models, accurate knock sensing helps the ECU adjust ignition timing based on combustion conditions. This part number, 2KNC0526, is listed for 1997, 1999-2000, and 2004 Volkswagen EuroVan applications, including the 2004 model with OE number 021 905 377 C. This part cross-references Standard Ignition KS150 for the same application.

What It Helps Address

• Knock or detonation-related engine performance concerns
• Incorrect ignition timing response from the engine control system
• Check engine light conditions tied to knock sensor circuit faults
• Rough running caused by inaccurate combustion feedback
• Loss of drivability when the ECU cannot properly monitor engine knock

Installation Notes and Tips

Verify connector shape, terminal count, and OE number before installation. Confirm the vehicle application against the listed Volkswagen EuroVan years and the OE reference 021 905 377 C where applicable. Use the part number 2KNC0526 to match the correct sensor during service and replacement.

Quality Assurance

Holstein Parts supplies this ignition knock sensor as a replacement component for emission control and engine management service. The Holstein Parts 2KNC0526 is specified for the listed Volkswagen EuroVan fitments and is built around the connector and terminal configuration shown above.