K&N KN-85-2445 Filter Contamination Indicator

K&N KN-85-2445 Filter Contamination Indicator – 1/8 NPT Connection

The K&N KN-85-2445 filter contamination indicator is a precise measurement device used to monitor the clogging level of air filters in air filter systems. This indicator, featuring a 1/8 NPT connection, clearly signals when the filter needs to be cleaned or replaced, thereby preventing engine performance loss.

✅ Accurately measures airflow resistance on the air filter

✅ Easy installation with a 1/8 NPT threaded connection

✅ Mechanical indicator with clear green, yellow, and red color codes

✅ Pre-emptively alerts when filter maintenance is required

✅ Helps prevent airflow losses and engine inefficiency

This indicator offers significant advantages, especially for engines operating in heavy-duty applications and harsh environmental conditions. By alerting the user before the filter becomes clogged, it helps keep the engine running at peak performance.

Technical Specifications

- Connection type: 1/8 NPT threaded

- Indicator type: Mechanical color (green-yellow-red)

- Application area: Air filter systems

- Measurement accuracy: Pressure difference varying according to filter clogging

Compatible Applications

- Compatible with all K&N universal and some OEM air filter systems

- Performance vehicles, heavy-duty vehicles, agricultural and industrial engines

Installation

The gauge is mounted by screwing it into a 1/8 NPT connection point suitable for the filter outlet or air intake line. Professional installation is recommended, but standard tools can be used.

Note

Ideal for users who want to physically monitor when the filter requires maintenance. Connection compatibility with the application area should be checked before ordering.