An Image of the Genuine Polaris Logo reading 'GENUINE OEM PART' 4018238
Cover-Jst 4P Female by Polaris 4018238 Body Panels / Extensions
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' 4018238
Cover-Jst 4P Female by Polaris 4018238 Body Panels / Extensions
Four Polaris off-road vehicles displayed with the Polaris logo above them on a white background.
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Indian & Polaris Electrical Cover, Jst 4P Female 4018238

$14.99 USD
Normally Ships in 5-7 Business Days

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SKU: 4018238
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SKU: 4018238

Genuine Indian & Polaris Electrical Cover, Jst 4P Female — OEM Part #4018238

Electrical gremlins can strand you far from home. The genuine Indian & Polaris Electrical Cover, Jst 4P Female plugs into your Indian motorcycle with the original connectors and ratings, so it works with the factory wiring, ECM and gauges.

Harnesses, switches, relays, sensors, the stator, regulator, starter, ECM, gauges and audio all work together. A wrong or weak part causes no-starts, warning lights or dead accessories. Because Indian and Polaris are both Polaris Inc. brands, this part number is shared across Indian motorcycles and Polaris off-road vehicles. Every model it fits is listed below.

Electrical Cover, Jst 4P Female at a Glance

  • OEM part number: 4018238
  • Brand: Indian & Polaris (genuine Polaris-made OEM part)
  • Part type: Electrical Cover
  • Indian fitment: Challenger, Chief, Chieftain, Pursuit, Roadmaster, Sport Chief, Springfield and Super Chief, 2021–2025
  • Polaris off-road fitment: Ms and Ranger, 2023–2026
  • Condition: New

Models and Years This Electrical Cover, Jst 4P Female Fits

Genuine part #4018238 fits the models and years below, across Indian motorcycles and Polaris off-road vehicles. To be certain, match the part number to the factory parts diagram for your machine or contact us with your VIN before ordering.

Indian Motorcycle Fitment

53 Indian model variants share this part, grouped here by model family.

Model Family Model Years Variants
Indian Challenger 2021–2025 10
Indian Chief 2025 2
Indian Chieftain 2022–2025 15
Indian Pursuit 2023, 2025 5
Indian Roadmaster 2022–2025 12
Indian Sport Chief 2025 2
Indian Springfield 2023–2025 5
Indian Super Chief 2025 2

Polaris Off-Road Vehicle Fitment

44 Polaris model variants share this part, grouped here by model family.

Model Family Model Years Variants
Polaris Ms 2026 1
Polaris Ranger 2023–2026 43

Yes, a motorcycle part can fit an ATV or side-by-side: Polaris uses many of the same fasteners, seals, filters and electrical parts across its motorcycle and off-road lines, so this part number also appears in the Polaris off-road parts catalog.

Why Choose a Genuine Indian & Polaris OEM Electrical Cover, Jst 4P Female?

  • Plug-and-play fit with factory connectors
  • Correct electrical ratings
  • Weather-sealed for rain and washing
  • Works with the factory ECM, gauges and diagnostics
  • Sold by Witchdoctors, an Indian and Victory OEM parts specialist

Features and Materials

Key Features

  • Genuine Indian & Polaris OEM electrical part, part #4018238
  • Original connectors and pin-outs
  • Water- and vibration-resistant construction
  • Designed for the listed Indian & Polaris models
  • No splicing or adapters needed

Materials and Construction

Indian electrical parts use tinned copper wiring, sealed connectors, heat-resistant insulation and potted or sealed housings for modules, sensors and the charging system.

Common Reasons Riders Replace This Part

  • Fixing no-start, no-charge or intermittent faults
  • Replacing a failed stator or regulator
  • Replacing switches, relays or sensors
  • Restoring gauges, audio or accessories

Signs Your Electrical Cover, Jst 4P Female Needs Replacing

  • Battery not charging or dying
  • No-start or clicking
  • Warning lights or gauge faults
  • Melted or corroded connectors
  • Switches or audio that do not work

Installation Tips

  1. Disconnect the negative battery cable first.
  2. Use the Indian parts and wiring diagrams for routing and connectors.
  3. Clean corroded terminals and apply dielectric grease where specified.
  4. Make sure every connector clicks and seals.
  5. Route wiring away from heat and moving parts, then test.

Not sure whether to tackle it yourself? Read when to seek professional help or DIY before you start.

Parts Diagrams for Your Bike

Find part #4018238 and every part installed with it in the factory parts diagrams for your model:

Related OEM Parts for the Same Bikes

Doing the job right? These genuine parts fit the same models and are often replaced at the same time:

Recommended Accessories and Maintenance Supplies

Pair your Electrical Cover, Jst 4P Female with these parts and supplies:

Helpful Guides from the Witchdoctors Blog

Frequently Asked Questions

What is the OEM part number for this Indian & Polaris Electrical Cover, Jst 4P Female?

The genuine part number is 4018238. Use it to match this part to your factory parts diagram.

Which Indian motorcycles does part #4018238 fit?

It fits 53 Indian models (Challenger, Chief, Chieftain, Pursuit, Roadmaster, Sport Chief, Springfield and Super Chief) from 2021 to 2025. See the Indian fitment table above.

Does it fit Polaris ATVs or side-by-sides?

Yes. The same part number is used on 44 Polaris off-road models, including the Ms and Ranger. See the Polaris table above.

Is this a genuine OEM part?

Yes. This is a genuine Polaris-made OEM part, the same part number used at the factory for Indian and Polaris models, not an aftermarket copy.

How do I know if my stator is bad?

Low charging voltage at the battery with the engine running is a common sign. Test before replacing.

Will this need programming?

Most plug-in parts do not. Some modules may need dealer setup.

Why does my battery keep dying?

Check the charging system, connections and any parasitic drain before replacing the battery.

Order Your Genuine Indian & Polaris Electrical Cover, Jst 4P Female Today

Keep your Indian motorcycle or Polaris off-road vehicle on the road. Add the genuine Indian & Polaris Electrical Cover, Jst 4P Female (part #4018238) to your cart today, and order the related parts above at the same time so you can finish the job in one go.

Where to Ride Your Indian

Put fresh parts to work on two of America's great motorcycle roads. Check road conditions, seasonal closures and park rules before you go.

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.
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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 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.

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