Victory Air Filter Box Side Cover Seal 5811866

Genuine Victory Air Filter Box Side Cover Seal — OEM Part #5811866

Hard starts, surging and fuel smell usually trace back to the fuel system. The genuine Victory Air Filter Box Side Cover Seal restores factory fuel delivery on your Victory motorcycle, matching the original fittings, seals and electrical connectors.

The fuel tank, pump, regulator, lines, throttle body, intake and air cleaner deliver clean air and fuel in the right ratio. One leak or weak part shows up as poor running. This part is confirmed for 8 Victory models from 2000 to 2007.

Air Filter Box Side Cover Seal at a Glance

• OEM part number: 5811866
• Brand: Victory (genuine Polaris-made OEM part)
• Part type: Airbox Gasket
• Victory fitment: Hammer, Jackpot, Kingpin, V92 and Vegas, 2000–2007
• Condition: New

Models and Years This Air Filter Box Side Cover Seal Fits

Genuine part #5811866 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 Air Filter Box Side Cover Seal?

• Factory fit with tank, lines and connectors
• Maintains the fuel pressure the EFI is calibrated for
• Fuel- and ethanol-resistant seals
• Sealed intake for correct air-fuel ratio
• Sold by Witchdoctors, a Victory and Indian parts specialist since the Victory years

Features and Materials

Key Features

• Genuine Victory OEM fuel or intake part, part #5811866
• Original fittings, seals and connectors
• Built for gasoline and ethanol blends
• Designed for the listed Victory models
• Works with factory EFI and sensors

Materials and Construction

Victory fuel and intake parts use ethanol-resistant hose and O-rings, steel or plastic tank components, precision pump and injector parts, and sealed intake boots and air filter media.

Common Reasons Riders Replace This Part

• Fixing hard starting, stalling or surging
• Repairing fuel leaks or fuel smell
• Replacing a failed fuel pump or regulator
• Replacing air filters and intake seals

Signs Your Air Filter Box Side Cover Seal Needs Replacing

• Long cranking or hard starts
• Surging, hesitation or stalling
• Fuel smell or wet spots
• Whine or no prime from the fuel pump
• Dirty air filter or cracked intake boot

Installation Tips

1. Work in a ventilated area away from sparks and relieve fuel pressure first.
2. Disconnect the battery before working on the pump or wiring.
3. Use the Victory parts diagram for O-rings, clamps and routing.
4. Install with fresh seals and secure every clamp and connector.
5. Turn the key to prime, check for leaks, then start.

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 #5811866 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 Fuel Hose / Line (#5412332)
• Victory Fuel Tank O-Ring (#WD-5412071)
• Victory Air Filter Victory Steel Frame 01-07 Bikes (#7080858)
• Victory Throttle Body Boot Adapter (#1253335)
• Victory Throttle Body O-Ring (#5412259)
• Victory Fuel Tank O-Ring (#5412071)

Recommended Accessories and Maintenance Supplies

Pair your Air Filter Box Side Cover Seal with these parts and supplies:

• Victory fuel pumps — Fuel pumps and parts
• Fuel tanks and mounts — Tanks, mounts and straps
• Air filters and air cleaners — Filters and intakes
• Fuel stabilizers and cleaners — Protect fuel during storage
• Victory OEM parts diagrams — find every factory part for your bike

Helpful Guides from the Witchdoctors Blog

• Victory Motorcycle Fuel Pump Issues: Symptoms and Diagnosis
• 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 Air Filter Box Side Cover Seal?

The genuine part number is 5811866. Use it to match this part to your factory parts diagram.

Which Victory motorcycles does part #5811866 fit?

It fits 8 Victory models (Hammer, Jackpot, Kingpin, V92 and Vegas) from 2000 to 2007. See the Victory fitment table above.

Does part #5811866 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 the fuel pump is failing?

Hard starts, surging under load and a missing prime whine are common signs. Our blog has a full diagnosis guide.

Should I replace the fuel tank seal when the pump is out?

Yes. A new seal is cheap insurance against leaks.

Does ethanol fuel hurt my bike?

Ethanol attracts moisture during storage. Use stabilizer and follow your manual for fuel.

Order Your Genuine Victory Air Filter Box Side Cover Seal Today

Keep your Victory motorcycle on the road. Add the genuine Victory Air Filter Box Side Cover Seal (part #5811866) to your cart today, and order the related parts above at the same time so you can finish the job in one go.

• 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.

• Mohawk Trail — Massachusetts: a historic Berkshires route with hairpin views
• Trail Ridge Road — Rocky Mountain National Park, Colorado: tops out above 12,000 feet