This wiring harness will typically fix Polaris engine code:
- SPN 520342 FMI 3, 4
- SPN 520344 FMI 4
- SPN 520209 FMI 4
- SPN 3056 FMI 2, 3, 4
Some symptoms of a bad O2 sensor wiring harness is a check engine light and the machine may run rich or lean causing poor idle, and or lean miss during acceleration.
This fits 2017-Current Polaris General and some Ranger platforms
Please do a visual comparison to make sure you are ordering the correct part.