Victory Map Sensor 4040078

Genuine Victory Map Sensor — OEM Part #4040078

Restore reliable power and electronics with a genuine Victory Map Sensor. Built for the Victory motorcycle, it matches the factory connectors and values, with no splicing.

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. This part is confirmed for 8 Victory models from 1999 to 2007.

Map Sensor at a Glance

• OEM part number: 4040078
• Brand: Victory (genuine Polaris-made OEM part)
• Part type: MAP Sensor
• Victory fitment: Hammer, Jackpot, Kingpin, V92 and Vegas, 1999–2007
• Condition: New

Models and Years This Map Sensor Fits

Genuine part #4040078 fits the models and years below. To be certain, match the part number to the factory parts diagram for your machine or contact us with your VIN before ordering.

Victory Motorcycle Fitment

Why Choose a Genuine Victory OEM Map Sensor?

• 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, a Victory and Indian parts specialist since the Victory years

Features and Materials

Key Features

• Genuine Victory OEM electrical part, part #4040078
• Original connectors and pin-outs
• Water- and vibration-resistant construction
• Designed for the listed Victory models
• No splicing or adapters needed

Materials and Construction

Victory 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 Map Sensor 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 Victory 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 #4040078 and every part installed with it in the factory parts diagrams for your model:

• 2007 Victory Hammer parts diagrams
• 2007 Victory Jackpot parts diagrams
• 2007 Victory Kingpin parts diagrams
• 2007 Victory Vegas parts diagrams

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:

• Victory Fuse, 10 Amp (#2434016)
• Victory Starter Solenoid (#4012001)
• Victory Spark Plug (#3070197)
• Victory Fuel Pump Relay (#4010948)
• Victory Rear Wire Harness (#2461171)
• Victory Oil Pressure Switch (#4010649)

Recommended Accessories and Maintenance Supplies

Pair your Map Sensor with these parts and supplies:

• Stators and regulators — Charging system parts
• Battery tenders — Keep your battery charged
• Ignition parts — Ignition components
• Audio and speakers — Audio upgrades
• Victory OEM parts diagrams — find every factory part for your bike

Helpful Guides from the Witchdoctors Blog

• Expert Guide To Victory Motorcycle Wheel Speed Sensors
• Spring Tune-Up for Your Victory or Indian Motorcycle: Get Ready to Rid
• How to Store a Motorcycle for Winter: Essential Tips and Steps
• Victory OEM Parts vs Aftermarket Parts: Which Is Right?

Frequently Asked Questions

What is the OEM part number for this Victory Map Sensor?

The genuine part number is 4040078. Use it to match this part to your factory parts diagram.

Which Victory motorcycles does part #4040078 fit?

It fits 8 Victory models (Hammer, Jackpot, Kingpin, V92 and Vegas) from 1999 to 2007. See the Victory fitment table above.

Does part #4040078 fit Indian motorcycles?

Not according to the factory fitment data we have. If you ride an Indian, contact us with your VIN and we will find the right part.

Is this a genuine OEM part?

Yes. This is a genuine Polaris-made OEM part, the same part number used at the factory for Victory 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 Victory Map Sensor Today

Victory parts get harder to find every year. Order the genuine Victory Map Sensor, OEM part #4040078, from Witchdoctors today and keep your Victory motorcycle running the way it was built.

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

Where to Ride Your Victory

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

• Natchez Trace Parkway — Mississippi, Alabama & Tennessee: 444 miles with no commercial trucks
• Trail Ridge Road — Rocky Mountain National Park, Colorado: tops out above 12,000 feet