SPI Knock/Detonation Sensor for Polaris fits many 2016-2023 RZR Turbo Models

Knock/Detonation Sensor for Polaris

This SPI Knock/Detonation Sensor monitors engine vibrations to detect pre-ignition in Polaris RZR Turbo models from 2016 to 2023, helping prevent engine damage by adjusting timing.

Overview

This knock/detonation sensor from SPI is a direct replacement for the factory sensor on Polaris RZR Turbo engines. It continuously detects abnormal combustion and sends a signal to the ECU to retard timing, protecting your engine from destructive detonation. A reliable and cost-effective solution for a faulty or aged sensor, it restores proper engine management.

Built For Performance

• Uses a piezoelectric ceramic element for accurate knock detection
• Corrosion-resistant housing protects against moisture and debris
• Direct fit connector matches OEM wiring harness for plug-and-play installation
• Sealed construction prevents oil and water ingress
• Tested to meet OEM performance specifications
• Compact design fits tight engine bay spaces

Fits These Machines

• for Polaris RZR Turbo (2016-2023)

On-The-Job Use

• Essential for maintaining engine reliability during aggressive riding on rough terrain
• Used to replace faulty sensors that cause check engine lights or power loss
• Helps protect high-output turbocharged engines during high-speed runs
• Commonly installed during performance tune-ups and preventive maintenance

Specs At A Glance

Good To Know

Q: Is this sensor a direct plug-in replacement for the original part? A: Yes, the SPI knock sensor features the same connector and mounting design as the factory sensor for straightforward installation.

Q: Will this sensor work with an aftermarket ECU or tuner? A: It is designed to operate with the standard Polaris ECU, but compatibility with aftermarket engine controllers may vary; consult your tuner.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.