Victory Throttle Body Boot Adapter 1203866

Genuine Victory Throttle Body Boot Adapter — OEM Part #1203866

Smooth idle and crisp throttle start with clean, sealed airflow. The genuine Victory Throttle Body Boot Adapter (part #1203866) restores factory intake fit on the Victory Hammer, Vegas and other models.

The air intake and throttle body meter the air your engine breathes. Leaks or restrictions upset fueling, idle and throttle response. This part is confirmed for 16 Victory models from 2008 to 2017. See the full fitment list below.

Victory Throttle Body Boot Adapter at a Glance

• OEM part number: 1203866
• Brand: Victory Motorcycles (genuine Polaris OEM part)
• Part type: Intake & Throttle Body
• Fits: Victory Bagger and Touring and Cruiser models, 2008–2017
• Condition: New

Victory Models and Years This Throttle Body Boot Adapter Fits

Genuine Victory part #1203866 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

Victory Cruiser Fitment

Why Choose a Genuine Victory OEM Throttle Body Boot Adapter?

• Sealed airflow for correct fueling
• Factory fit to the throttle body and frame
• Filters dirt before it reaches the engine
• Keeps idle and throttle response smooth
• 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 #1203866
• Matches original mounting points and seals
• Designed around the Victory fuel injection system
• Direct replacement for the listed models

Materials and Construction

Victory intake parts use molded composite airboxes and covers, chrome or painted trim, rubber seals and pleated filter media.

Common Reasons Riders Replace This Part

• Routine air filter service
• Fixing intake leaks or a high idle
• Replacing a cracked or damaged airbox
• Restoring stock intake after removing an aftermarket kit

Signs Your Throttle Body Boot Adapter Needs Replacing

• Rough idle or hunting idle speed
• Hissing sound from the intake
• Dirty or damaged air filter
• Cracked airbox or missing trim

Installation Tips

1. Turn off the engine and let it cool.
2. Remove the cover and clean any dirt from the intake area.
3. Install the new part with new seals where used.
4. Tighten fasteners evenly without cracking plastic parts.
5. Start the engine and check for smooth idle and no air leaks.

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 #1203866 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:

• 2017 Victory Cross Country parts diagrams
• 2017 Victory Cross Country Tour parts diagrams
• 2017 Victory Gunner parts diagrams
• 2017 Victory Hammer parts diagrams
• 2017 Victory High-Ball parts diagrams
• 2017 Victory Judge parts diagrams
• 2017 Victory Magnum parts diagrams
• 2017 Victory Vegas parts diagrams

Related Victory OEM Parts

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

• Victory Air Box Adapter (#5137854)
• Victory Throttle Body Boot Rebuild Kit (#1203866-REBUILD)
• Victory Throttle Body w/Position Sensor (#1204321)
• Victory Throttle Body Seal (#5412882)
• Victory Throttle Body (#1204320)
• Victory Throttle Body Stop Bracket (#5254542)

Recommended Accessories and Maintenance Supplies

Pair your Throttle Body Boot Adapter with these parts and supplies:

• Victory air filters — OEM-style and high-flow air filters
• Dynojet fuel tuners — Fuel tuning for intake and exhaust upgrades
• Victory engine parts — Gaskets, seals, bearings and internal engine parts
• Klotz Victory oil change kits — Complete oil change kits with free shipping
• Victory OEM parts diagrams — find every factory part for your model

Helpful Guides from the Witchdoctors Blog

• Victory & Indian Motorcycle Maintenance Checklist
• Beware of Victory & Indian Motorcycle Parts Scams on Facebook!
• Victory Motorcycle OEM Parts VS Aftermarket Parts: Which Is Right for Your Bike?
• Can I Still Get Parts For My Victory Motorcycle?

Frequently Asked Questions

What is the OEM part number for this Victory Throttle Body Boot Adapter?

The genuine Polaris/Victory part number is 1203866. Use it to match this part to your factory parts diagram.

Which Victory models does part #1203866 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); Hard-Ball (2012–2013); High-Ball (2012–2017); Boardwalk (2013–2015); Judge (2013–2017); Gunner (2015–2017); Magnum (2015–2017); Magnum X-1 (2015–2016).

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.

How often should I change my air filter?

Check it at every oil change and replace it when dirty or as your owner's manual specifies.

Will a high-flow intake need tuning?

Usually. A fuel tuner helps keep the mixture correct with intake and exhaust changes.

Does this include the seal?

The listing is for the part number shown. Check the parts diagram for seals and hardware sold separately.

Order Your Genuine Victory Throttle Body Boot Adapter Today

Ride with confidence on parts made for your bike. Order the genuine Victory Throttle Body Boot Adapter, OEM part #1203866, from Witchdoctors today and keep your Victory Hammer, Vegas and other models running the way Victory designed it.

• How long will it take to receive my order?
• Shipping and return policy
• Questions about fitment? Contact us
• Shop all Victory OEM parts
• Victory motorcycle parts guide

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.

• Natchez Trace Parkway — Mississippi, Alabama and Tennessee: 444 miles of low-traffic, history-filled parkway
• Beartooth Highway — Montana and Wyoming: switchbacks to nearly 11,000 feet near Yellowstone