The Idle Air Control Harness by Polaris, in black with four white wires, is shown next to four red wire connectors on a white background.
The Idle Air Control Harness by Polaris is a black connector with four white wires, four red wire connectors, and is compatible with Victory Motorcycle Harness systems, shown against a white background.
A black Idle Air Control Harness by Polaris with five white wires and four red wire connectors, compatible with Victory Motorcycle Harness systems, displayed on a white background.
A black Idle Air Control Harness by Polaris with four attached white wires and four small red wire butt connectors is arranged on a white background.
The Idle Air Control Harness by Polaris includes a black connector, two white wires, a flexible black tube, terminals, and labels—ideal for OEM or Victory Motorcycle Harness repairs. All components are displayed on a white background.
Idle Air Control Harness by Polaris 2878507 Idle Air Valve
Black wiring harness with green connector, multiple white wires, small metal terminals, and a short black protective sleeve.
Polaris Idle Air Control Harness with black connector, wires, terminals, and protective tubing.
Polaris Idle Air Control Harness kit with black foam tube, black connector, two thin white wires, and blue ruler.
Black plastic connector with attached white and black wires, eight small metal terminals, and a black rubber tube.
Polaris idle air control harness with black connector, two thin wires with red connectors, and black sleeve, shown with blue
Idle air control harness with black connector, white wires, four metal pins, and black protective sleeve.
An Image of the Genuine Polaris Logo reading 'GENUINE OEM PART' 2878507
Four Polaris off-road vehicles displayed with the Polaris logo above them on a white background.
The Idle Air Control Harness by Polaris, in black with four white wires, is shown next to four red wire connectors on a white background.
The Idle Air Control Harness by Polaris is a black connector with four white wires, four red wire connectors, and is compatible with Victory Motorcycle Harness systems, shown against a white background.
A black Idle Air Control Harness by Polaris with five white wires and four red wire connectors, compatible with Victory Motorcycle Harness systems, displayed on a white background.
A black Idle Air Control Harness by Polaris with four attached white wires and four small red wire butt connectors is arranged on a white background.
The Idle Air Control Harness by Polaris includes a black connector, two white wires, a flexible black tube, terminals, and labels—ideal for OEM or Victory Motorcycle Harness repairs. All components are displayed on a white background.
Idle Air Control Harness by Polaris 2878507 Idle Air Valve
Black wiring harness with green connector, multiple white wires, small metal terminals, and a short black protective sleeve.
Polaris Idle Air Control Harness with black connector, wires, terminals, and protective tubing.
Polaris Idle Air Control Harness kit with black foam tube, black connector, two thin white wires, and blue ruler.
Black plastic connector with attached white and black wires, eight small metal terminals, and a black rubber tube.
Polaris idle air control harness with black connector, two thin wires with red connectors, and black sleeve, shown with blue
Idle air control harness with black connector, white wires, four metal pins, and black protective sleeve.
An Image of the Genuine Polaris Logo reading 'GENUINE OEM PART' 2878507
Four Polaris off-road vehicles displayed with the Polaris logo above them on a white background.
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Victory Idle Air Control Harness 2878507

$179.99 USD
Normally Ships in 5-7 Business Days

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SKU: 2878507
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SKU: 2878507

Genuine Victory Idle Air Control Harness — OEM Part #2878507

Fix electrical gremlins the right way with the genuine Victory Victory Idle Air Control Harness, Polaris part #2878507. It is the factory electrical part for the Victory Hammer, Vegas and other models.

The electrical system powers ignition, fuel injection, lighting and accessories. Bad connections or failed modules cause no-starts and strange faults. This part is confirmed for 16 Victory models from 2008 to 2017. See the full fitment list below.

Victory Idle Air Control Harness at a Glance

  • OEM part number: 2878507
  • Brand: Victory Motorcycles (genuine Polaris OEM part)
  • Part type: IAC Tube / Air Valve
  • Fits: Victory Bagger and Touring and Cruiser models, 2008–2017
  • Condition: New

Victory Models and Years This Idle Air Control Harness Fits

Genuine Victory part #2878507 fits the models and years below. To be certain, match the part number to the factory parts diagram for your bike, or decode your VIN with our Victory VIN decoder before ordering.

Victory Bagger and Touring Fitment

Model Model Years
Victory Vision 2008–2017
Victory Vision Tour 2008–2017
Victory Cross Country 2010–2017
Victory Cross Roads 2010–2014
Victory Cross Country Tour 2012–2017
Victory Hard-Ball 2013
Victory Magnum 2015–2017
Victory Magnum X-1 2015–2017

Victory Cruiser Fitment

Model Model Years
Victory Hammer 2008–2017
Victory Jackpot 2008–2016
Victory Kingpin 2008–2012
Victory Vegas 2008–2017
Victory High-Ball 2012–2017
Victory Boardwalk 2013–2015
Victory Judge 2013–2017
Victory Gunner 2015–2017

Also Used on These Polaris Models

This hardware is also used on 135 Polaris models, including POLARIS INTL 850 SCRAMBLER HO EPS (2013); POLARIS INTL RANGER 800 6X6 MD POLAND (2017); POLARIS INTL SCRAMBLER 1000 MD (2015); POLARIS INTL SCRAMBLER 1000 XP HO EPS (2014); POLARIS INTL SCRAMBLER 850 EU (2015); POLARIS INTL SCRAMBLER 850 MD (2015); POLARIS INTL SCRAMBLER XP 1000 EU (2015); POLARIS INTL SCRAMBLER XP 850 HO EPS (2014); POLARIS INTL SPORTSMAN 1000 MD (2015); POLARIS INTL SPORTSMAN 500 EFI (2007); POLARIS INTL SPORTSMAN 850 TOURING SP EU (2015); POLARIS INTL SPORTSMAN 850 TOURING SP MD (2015); POLARIS INTL SPORTSMAN EPS 550 (2010); POLARIS INTL SPORTSMAN FOREST 550 (2013–2014); POLARIS INTL SPORTSMAN FOREST TRACTOR 500 (2013–2014); POLARIS INTL SPORTSMAN TOURING 550 EPS (2011, 2013); POLARIS INTL SPORTSMAN TOURING 850 (2014); POLARIS INTL SPORTSMAN TOURING 850 EPS (2011, 2013); POLARIS INTL SPORTSMAN TOURING XP 550 EPS (2012); POLARIS INTL SPORTSMAN TOURING XP 850 EPS (2012); POLARIS INTL SPORTSMAN X2 550 (2011–2014); POLARIS INTL SPORTSMAN XP 1000 48" EU 3PC (2020); POLARIS INTL SPORTSMAN XP 1000 EPS 48" EU 3PC (2021); POLARIS INTL SPORTSMAN XP 550 (2009); POLARIS INTL SPORTSMAN XP 550 EPS HD (2014); POLARIS INTL SPORTSMAN XP 550 HD (2013); POLARIS INTL SPORTSMAN XP 850 EPS (2009–2010); POLARIS INTL SPORTSMAN XP 850 HO EPS MD (2015); POLARIS RANGER 4X4 800 EFI (2011); POLARIS RANGER 4X4 800 EFI CREW (2011); POLARIS RANGER 500 4X4 (2012); POLARIS RANGER 500 4X4 CREW (2011–2012); POLARIS RANGER 500 4X4 EFI (2006, 2008–2011); POLARIS RANGER 500 CREW MIDSIZE (2013); POLARIS RANGER 500 EFI 4X4 (2007); POLARIS RANGER 6X6 800 (2012); POLARIS RANGER 6X6 800 EFI (2011); POLARIS RANGER 800 6X6 (2015); POLARIS RANGER 800 CREW (2013); POLARIS RANGER 800 EFI (2013); and more.

Why Choose a Genuine Victory OEM Idle Air Control Harness?

  • Plug-and-play connectors for the factory harness
  • Correct circuits and resistance values
  • Reliable starts and charging
  • Avoids the problems of universal wiring
  • Made to the same specifications as the part installed at the factory, not an aftermarket copy
  • Sold by Witchdoctors, a Victory OEM parts source with factory part numbers and diagrams for every listing

Victory stopped building motorcycles after the 2017 model year, and many parts are getting harder to find. Genuine OEM parts keep your bike correct, reliable and easier to sell. Read Victory OEM vs aftermarket parts to see the difference.

Features and Materials

Key Features

  • Genuine Polaris/Victory OEM part #2878507
  • Factory connectors and routing
  • Weather-sealed terminals
  • Direct replacement for the listed models

Materials and Construction

Victory electrical parts use automotive-grade copper wire, sealed connectors, heat-resistant insulation and molded switch housings.

Common Reasons Riders Replace This Part

  • Fixing no-start or intermittent electrical faults
  • Replacing chafed or melted wiring
  • Replacing failed switches, sensors or modules
  • Repairs after a tip-over or water damage

Signs Your Idle Air Control Harness Needs Replacing

  • No start or intermittent power
  • Blown fuses or dead circuits
  • Warning lights on the dash
  • Melted or corroded connectors

Installation Tips

  1. Disconnect the battery negative cable first.
  2. Photograph the routing of the old part before removing it.
  3. Install the new part, matching the original routing and clips.
  4. Apply dielectric grease to connectors to keep out moisture.
  5. Reconnect the battery and test the circuit before riding.

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

Victory Parts Diagrams for This Part

Find part #2878507 in the factory Victory parts diagrams for your bike. Open the diagrams for your model and year to see exactly where it goes and which parts install with it:

Related Victory OEM Parts

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

Recommended Accessories and Maintenance Supplies

Pair your Idle Air Control Harness with these parts and supplies:

Helpful Guides from the Witchdoctors Blog

Frequently Asked Questions

What is the OEM part number for this Victory Idle Air Control Harness?

The genuine Polaris/Victory part number is 2878507. Use it to match this part to your factory parts diagram.

Which Victory models does part #2878507 fit?

It fits the Hammer (2008–2017); Jackpot (2008–2016); Kingpin (2008–2012); Vegas (2008–2017); Vision (2008–2017); Vision Tour (2008–2017); Cross Country (2010–2017); Cross Roads (2010–2014); Cross Country Tour (2012–2017); High-Ball (2012–2017); Boardwalk (2013–2015); Hard-Ball (2013); Judge (2013–2017); Gunner (2015–2017); Magnum (2015–2017); Magnum X-1 (2015–2017).

Is this a genuine Victory part?

Yes. This is a genuine Polaris OEM part for Victory motorcycles, the same part number used at the factory, not an aftermarket copy.

Can I still get parts for my Victory?

Yes. Polaris continues to supply many Victory parts, and Witchdoctors stocks thousands of genuine Victory part numbers. Read where to find Victory parts.

Do I need to program a new module?

Some control modules and keys need setup with a dealer tool. Check the service manual for your model.

How do I find an electrical fault?

Check the battery, fuses and grounds first, then use the wiring diagram in the service manual.

Does this include connectors?

OEM harness parts include the factory connectors shown in the parts diagram.

Order Your Genuine Victory Idle Air Control Harness Today

Ride with confidence on parts made for your bike. Order the genuine Victory Idle Air Control Harness, OEM part #2878507, from Witchdoctors today and keep your Victory Hammer, Vegas and other models running the way Victory designed it.

Where to Ride Your Victory

Your Victory was built for the open road. These scenic routes are favorites with motorcycle riders. Check current road conditions, seasonal closures and park fees 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 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.

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