Check the listing for details. Polaris Spark Plug, for Snowmobile Models, Genuine OEM - 3021837. Condition: New. Listed at 22.35 USD. Engineered and tested to fit and perform on your vehicle Product contains 1 Consumer Warning- In order for work to be performed safely and correctly many parts replacement procedures and repair procedures must be done by trained Polaris service technicians in a properly equipped shop. You must read the service manual and be familiar with the service procedures before starting the work. Certain procedures require the use of special tools that are not available to the general public and your dealer will have to perform these procedures for you as necessary. If you have any doubt as to your ability to perform any of the procedures outlined in this service manual, contact an authorized Polaris dealer for service. Procedures indicated to be performed by dealers only could void your warranty if.