1. Snowmobile Parts Items
  2. sku: 10638783122551891
  3. SP1 4359-S822559-39

SP1 4359-S822559-39 Knock Sensor Pro

fits model: 800, Rush. make: Polaris. year: 2015–2018.

4359-s822559-39 Sp1 Knock Sensor For 2015 - 2018 Polaris 800 Rush Pro-x Snowmobile

( Brand: Sp1 ), ( Manufacturer Part Number: 4359-S822559-39 ), ( Part Type: Sensor )

Review SP1 Knock Sensor For Polaris Pro x Snowmobile fits RUSH 800 2015–2018

Introducing the SP1 4359-S822559-39 Knock Sensor, a high-performance replacement component designed specifically for the 2015 to 2018 Polaris 800 Pro-X snowmobiles. This knock sensor is an essential part of your snowmobile's engine management system, ensuring optimal performance and longevity.

The SP1 4359-S822559-39 Knock Sensor is engineered using advanced technology and materials to provide unmatched accuracy and reliability. Its compact design allows it to fit perfectly into your snowmobile's engine compartment, ensuring a seamless installation process. This sensor is capable of detecting even the slightest engine vibrations, enabling your engine control unit to adjust fuel injection and ignition timing accordingly, ensuring efficient combustion and smoother engine operation.

The sensor features a robust, corrosion-resistant housing, ensuring it withstands the harsh conditions of snowmobiling. The sensor's electrical connections are protected by a durable, moisture-resistant boot, preventing water intrusion and ensuring a reliable electrical connection. The sensor's threaded design ensures a secure and snug fit, providing peace of mind that it will not come loose during operation.

Installing the SP1 4359-S822559-39 Knock Sensor is a straightforward process. It comes with all necessary hardware for installation, ensuring a hassle-free experience. The sensor's plug-and-play design means that no additional programming or calibration is required, making it an excellent choice for both DIY enthusiasts and professional mechanics.

In summary, the SP1 4359-S822559-39 Knock Sensor is a high-quality, reliable, and easy-to-install replacement component for your 2015 to 2018 Polaris 800 Pro-X snowmobile. Its advanced technology, robust design, and ease of installation make it an excellent choice for those seeking optimal engine performance and longevity.

The SP1 4359-S822559-39 knock sensor is a potential replacement option for the 2015 to 2018 Polaris 800 Pro-X models. This part is manufactured by Sensitech, a well-known supplier of automotive sensors. Here are some pros and cons of buying this knock sensor for your Polaris ATV:

Pros:

1. OEM Quality: This knock sensor is manufactured by Sensitech, which is known for producing original equipment manufacturer (OEM) quality parts.

2. Durability: The knock sensor is designed to withstand the harsh conditions typical of off-road use.

3. Improved Engine Performance: A faulty or failing knock sensor can lead to poor engine performance, misfires, and even engine damage. Replacing the knock sensor can help improve overall engine performance and prevent further damage.

4. Relatively Affordable: Compared to purchasing a new OEM part from a dealership, aftermarket sensors like this one can offer significant cost savings.

Cons:

1. Potential Fitment Issues: While Sensitech is a reputable supplier, there is always a risk that the part may not fit perfectly in every application. It is essential to ensure that the sensor is compatible with your specific Polaris 800 Pro-X model.

2. Installation Complexity: Installing a new knock sensor can be a complex process, requiring the use of specialized tools and knowledge of engine systems. It is recommended that you consult a professional mechanic or follow a detailed installation guide if you are not confident in your ability to install the sensor yourself.

3. Potential for Additional Costs: While the knock sensor itself may be relatively affordable, there may be additional costs associated with its installation, such as labor fees or the need to purchase new gaskets or other components.

Conclusion:

The SP1 4359-S822559-39 knock sensor from Sensitech can be a cost-effective solution for replacing a faulty or failing knock sensor on a 2015 to 2018 Polaris 800 Pro-X. Its OEM quality and durability make it an attractive option for those seeking reliable engine performance. However, potential fitment issues and installation complexity are important considerations. It is crucial to ensure that the sensor is compatible with your specific model and to consider the additional costs of installation before making a purchase.

Recommendation:

If you are confident in your ability to install the sensor yourself and have verified its compatibility with your Polaris 800 Pro-X, the SP1 4359-S822559-39 knock sensor from Sensitech can be a cost-effective and reliable solution for improving engine performance. Alternatively, you may consider consulting a professional mechanic for installation to ensure a proper fitment and optimal performance.

Details:

2017 - 2017 Polaris800 PRO-RMK 174 LE, Switchback PRO-S 163 2011 2013 Polaris800 Rush, 2005 Polaris700 XC SP, 2006 Polaris900 RMK, 2004 Polaris800 Classic, 2016 RMK Assault 155 3in. Parts without fitment are to be assumed universal and may require vehicle modification. I need to exchange an item.: Brand: SP1, model Number: 4359-S822559-39.

SP1 Knock Sensor for 2015 - 2018 Polaris 800 Rush PRO-X Snowmobile. 2015 - 2018 Polaris800 Rush PRO-S, 2011 2017 Polaris800 PRO-RMK 163, 2010 Polaris800 RMK 144, 2008 2010 Polaris700 155, Switchback 2004 Polaris700 PRO X2, 2016 155 3in. This is helpful if you are buying multiple items.

part #: 4359s82255939 price

  • $51.45

specifications snowpar:

  • for models: 800, Rush
  • for makes: Polaris
  • for years: 2015-2018
  • brand: Sp1
  • mpn: 4359-s822559-39
  • part type: Sensor

shipping snowpar:

  • service: Standard
  • class: Standard
  • transit: 2-6 Days
  • type: Fixed
  • cost: $0.00

offer snowpar:

  • availability: In Stock
  • started: March 4, 2026
  • options: Ship-to-home
  • sold: 0
  • quantity: 9

seller snowpar:

  • city: San Marcos, CA
  • # reviews: 79092
  • rating: 99.8%

general snowpar:

  • condition: New
  • Parts Accessories > Snowmobile Parts > Other Parts

payments snowpar:

  • wallet: Google-pay
  • other
  • credit card: Discover

returns snowpar:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: 800, rush, for makes: polaris, for years: 2015-2018, part type: sensor,
category: snowmobile parts > parts, sku: 10638783122551891,

Sp1 4359-S822559-39 Is Similar To:

snowpar logo
1 offer $51.45 USD
  • Offer #1: $51.45 price + $0.00 shipping estimate = $51.45* total. 2018 - 2018 Polaris 800 Titan SP 155. 2013 - 2018 Polaris 600 INDY.FREE SHIPPING

Copyright © snowpar.com