An Image of the Genuine Polaris Logo reading 'GENUINE OEM PART' 4013908
Transmission Speed Sensor by Polaris 4013908 OEM Hardware P4013908 Off Road Express
Four Polaris off-road vehicles displayed with the Polaris logo above them on a white background.
An Image of the Genuine Polaris Logo reading 'GENUINE OEM PART' 4013908
Transmission Speed Sensor by Polaris 4013908 OEM Hardware P4013908 Off Road Express
Four Polaris off-road vehicles displayed with the Polaris logo above them on a white background.

Transmission Speed Sensor by Polaris

$114.99 USD
Normally ships in 6-8 business days

Inventory:

Loading..
SKU: 4013908
In stock and ready for shipping

SKU: 4013908

Polaris UTV/ATV OEM Sensors - Available at buywitchdoctors.com

Product Specifications: Genuine OEM Polaris Transmission Speed Sensor , Part # 4013908.

Polaris UTV/ATV OEM Sensors act as the central nervous system for your machine, constantly monitoring critical variables like air intake, exhaust oxygen levels, and crankshaft position. When a sensor fails, your ECU receives "garbage" data, leading to limp mode, poor fuel economy, or catastrophic engine failure. Replacing faulty components with Genuine Polaris sensors ensures your engine runs exactly as the factory intended.

Polaris UTV/ATV OEM Sensors are built to survive the high-heat, high-vibration environment of off-road riding. OEM sensors feature gold-plated connectors and specialized shielding to prevent electrical interference. This precision engineering is what keeps your RZR, Ranger, or Sportsman idling smoothly and responding instantly to every throttle input, even in the harshest conditions.

Features and Benefits of Genuine Polaris Engine Sensors

  • Perfect Calibration: Engineered to communicate with the Polaris ECU without the need for flashing or "tricking" the system with bypass modules.
  • Advanced Weatherproofing: Sealed housings prevent moisture intrusion into the sensitive internal electronics, protecting against short circuits in deep mud or water.
  • Optimized Fuel Economy: High-precision oxygen and MAP sensors ensure your air-fuel ratio is always perfect, saving you money at the pump.
  • Quick Response Times: High-speed data processing ensures your engine timing and fuel delivery adjust instantly to changing altitudes or temperatures.
  • Plug-and-Play Installation: Factory connectors snap directly into your wiring harness, eliminating the need for splicing or custom wiring work.

When to Replace Your Polaris Sensors

Modern powersports vehicles are smart, but they rely on clean signals. You should check your sensors if you experience a "Check Engine" light (CEL), intermittent stalling, a sudden drop in power, or "hunting" at idle. Sensors like the TMAP or O2 can become fouled by dirt or oil over time. Replacing these with factory-spec OEM components restores your machine's diagnostic integrity and prevents the ECU from pulling timing or limiting RPMs unnecessarily.

Comprehensive Model Fitment (2015-Current)

These Genuine Polaris engine sensors are designed for the following models from 2015 to the current production year:

Polaris RZR Series: 900, XP 1000, Turbo, Pro XP, Pro R, and RS1.

Polaris Ranger Series: 500, 570, XP 900, XP 1000, and Crew.

Polaris General Series: 1000 and XP 1000.

Polaris Sportsman ATV Series: 450, 570, 850, and XP 1000.

Polaris ACE Series: 500, 570, and 900.

Polaris Xpedition Series: XP, ADV.

⚠️ IMPORTANT DISCLAIMER: Always check your owner’s manual or the fitment tab on witchdoctors.com to make sure this part fits your specific year, make, and model before ordering.

Popular Sensor Parts and Accessories

  • Shift Sensor: Ensures your ECU knows exactly which gear is engaged for proper power delivery.
  • Air Pressure Sensor: Also known as the TMAP sensor, it monitors intake vacuum and air temperature.
  • Oil Pressure Sensor: Critical for monitoring engine health and preventing oil starvation.
  • Crankshaft Position Sensor: The primary trigger for engine timing and spark delivery.
  • RPM Sensor: Provides precise engine speed data to the dashboard and ECU.
  • Speed Sensor: Monitors wheel or transmission output for accurate speedometer readings.
  • Oxygen Sensor: Manages the "closed-loop" fuel system for peak efficiency.
  • Temperature Sensor: Monitors coolant or ambient air to manage cooling fans and fuel maps.
  • Knock Sensor: Protects your engine by detecting pre-ignition and adjusting timing.
  • Fuel Sensor: Provides accurate fuel level data to prevent getting stranded on long rides.
  • Angle Sensor: Used in EPS and safety systems to monitor vehicle orientation.
  • Throttle Position Sensor (TPS): Ensures the ECU knows exactly how much air you're demanding.
  • Map Sensor: Measures manifold absolute pressure for precise engine load calculations.

Frequently Asked Questions (FAQs)

Can I just clean a bad sensor with brake cleaner?

We generally do not recommend it. Sensors like the MAP or O2 have delicate coatings and internal membranes. Harsh chemicals like brake cleaner can permanently damage the sensor's ability to read data. If a sensor is fouled, the most reliable fix is an OEM replacement from Witchdoctors.com.

Why is my Check Engine Light still on after replacing the sensor?

In many cases, the Polaris ECU stores "Historic Codes." After installing your new sensor, you may need to cycle the key or run the machine for a few minutes to allow the ECU to verify the new data and clear the light. Some models may require a diagnostic tool to reset the code manually.

PRO TIP: Learn more about UTV & ATV Sensor Buyer’s Guide: Map, O2, TPS & More.

Keep Your Data Clean with Witchdoctors.com

Your Polaris is only as good as the information it receives. At Witchdoctors.com, we carry the full range of Polaris UTV/ATV OEM Sensors to keep your machine performing at its peak. We specialize in providing authentic factory parts that offer the reliability and precision your ProStar engine deserves. Shop our extensive inventory today and take advantage of our fast shipping to get your RZR, Ranger, or Sportsman out of limp mode and back on the trail!

Restore Your Engine's Performance Today!

Don't let a $50 sensor ruin a $20,000 engine. Find the exact factory-spec sensor for your model and ride with the confidence that your machine is operating at 100% efficiency. Shop now!

Shop Polaris OEM Sensors at Witchdoctors.com Now!

Are You Looking to Find Great Places & Adventurous Trails to Ride Your UTV, Side by Side or ATV? Check out these highly recommended places:

  1. Look Here in West Virginia
  2. Look Here in Alabama
  3. Look Here in New York
  4. Look Here in Minnesota
  5. Hatfield-McCoy Trails

General Safety Warning & Installation Requirements

Your safety is our top priority. Whether you are maintaining a Victory® or Indian® Motorcycle, or servicing a UTV, ATV, or Side-by-Side, proper installation is vital to the performance and safety of your vehicle.

Important:
Warning: Failure to follow manufacturer-specified installation procedures and safety requirements can result in mechanical failure, loss of vehicle control, serious injury, or death.

Important Fitment Disclosure

At Witchdoctors, we want to ensure you get back on the road or trail as quickly as possible. Correct fitment is the most critical step in purchasing parts for your Victory® or Indian® Motorcycle. Also for your Polaris®, CFMoto®, Arctic Cat®, Yamaha®, Honda®, Can-Am®, Kawasaki® UTV and ATV.

Verification Required: While we strive for 100% accuracy, vehicle manufacturers often make mid-year production changes. Always verify your specific year, make, and model before finalizing your order.
Read More

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Shipping

Qualifying Retail orders $159.99 or more will receive free ground shipping. Free Shipping Terms and conditions.

All orders over $500 will require a signature.

Please see International Shipping page for orders shipping outside the US.

See our full Shipping Policy page for further details.

Product Availability

We show real time product availability. These products normally ship the same business day but may ship from one of our warehouses across the country. If an item requires additional processing time you will be notified.

Returns

If your order arrives and it is not right, we will we'll fix it. We promise!

Doesn't fit or just not happy with it? You can return any new, unopened, unused or unaltered item within 30 business days of delivery receipt of your item. We will issue a refund to your original payment method.

See our full Return Policy for all of the pertinent details.

Found URLs: