Indian & Polaris Floating Piston with O-Ring 1500941

Genuine Indian & Polaris Floating Piston with O-Ring — OEM Part #1500941

Worn fork seals, tired shocks or a bent triple tree make an Indian wallow and wander. The genuine Indian & Polaris Floating Piston with O-Ring restores the factory ride and steering on your Indian motorcycle.

Forks, triple trees, shocks, swingarms and steering bearings control how the bike steers, absorbs bumps and carries weight. 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.

Floating Piston with O-Ring at a Glance

• OEM part number: 1500941
• Brand: Indian & Polaris (genuine Polaris-made OEM part)
• Part type: Swingarm Repair
• Indian fitment: Challenger, Chief and Chieftain, 2014–2020
• Polaris off-road fitment: RZR, 2013–2021
• Condition: New

Models and Years This Floating Piston with O-Ring Fits

Genuine part #1500941 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

Polaris Off-Road Vehicle Fitment

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 Floating Piston with O-Ring?

• Factory geometry and handling
• Restores original ride height and damping
• Correct seal, bushing and bearing fit
• Built for full touring and passenger loads
• Sold by Witchdoctors, an Indian and Victory OEM parts specialist

Features and Materials

Key Features

• Genuine Indian & Polaris OEM suspension part, part #1500941
• Original dimensions and mounting points
• Corrosion-resistant finish where applicable
• Designed for the listed Indian & Polaris models
• Works with factory fork oil, seals and hardware

Materials and Construction

Indian suspension parts use chromed steel fork tubes, aluminum fork legs and triple clamps, steel swingarms, and shocks with oil damping and air or coil springs.

Common Reasons Riders Replace This Part

• Fixing leaking fork seals
• Restoring damping on worn shocks
• Replacing parts bent in a crash
• Fixing a headshake or clunk at the steering head

Signs Your Floating Piston with O-Ring Needs Replacing

• Oil on fork tubes or brake rotor
• Bouncy or harsh ride
• Clunk when braking
• Headshake or wandering
• Visible bends or pitting on fork tubes

Installation Tips

1. Support the bike securely with the front or rear unloaded.
2. Follow the Indian service manual for fork oil level and torque specs.
3. Replace seals and bushings as a set.
4. Torque axle and pinch bolts in the specified order.
5. Check steering lock-to-lock and test-ride gently.

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 #1500941 and every part installed with it in the factory parts diagrams for your model:

• 2020 Indian Challenger parts diagrams
• 2020 Indian Challenger Limited parts diagrams
• 2019 Indian Chief Vintage parts diagrams
• 2018 Indian Chief Classic parts diagrams
• All Indian Motorcycle OEM 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:

• Indian Shock Seal Rebuild Kit (#1500917)
• Indian Air Valve (#1500886)
• Indian Shock Body (#1500969)
• Indian Lower Triple Tree Clamp (#1824618-463)

Recommended Accessories and Maintenance Supplies

Pair your Floating Piston with O-Ring with these parts and supplies:

• Fork seals and bushings — Seals and bushings
• Fork oil — Fork oil
• Shock absorbers — Shocks
• Fork and suspension tools — Tools for fork service
• Indian Chief parts — more parts for your Chief
• Indian Challenger parts — more parts for your Challenger
• Polaris off-road OEM parts — for your Polaris ATV or side-by-side

Helpful Guides from the Witchdoctors Blog

• Motorcycle Fork Oil: Functions & Benefits Explained
• Lowering a Motorcycle Pros and Cons
• Spring Tune-Up for Your Victory or Indian Motorcycle: Get Ready to Ride

Frequently Asked Questions

What is the OEM part number for this Indian & Polaris Floating Piston with O-Ring?

The genuine part number is 1500941. Use it to match this part to your factory parts diagram.

Which Indian motorcycles does part #1500941 fit?

It fits the Indian Challenger (2020); Indian Challenger Limited (2020); Indian Chief Classic (2014–2018); Indian Chief Dark Horse (2016–2017); Indian Chief Vintage (2014–2019); Indian Chieftain (2014).

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

Yes. The same part number is used on 10 Polaris off-road models, including the RZR. 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.

What fork oil should I use?

Use the weight and level in your manual. Our blog has a guide to choosing Indian and Victory fork oil.

Should I replace both fork seals?

Yes. Replace seals in pairs so both legs damp evenly.

Can a bent fork tube be straightened?

No. Replace bent tubes and triple clamps.

Order Your Genuine Indian & Polaris Floating Piston with O-Ring Today

Keep your Indian motorcycle or Polaris off-road vehicle on the road. Add the genuine Indian & Polaris Floating Piston with O-Ring (part #1500941) 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 Indian OEM parts

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.

• Hells Canyon Scenic Byway — northeast Oregon: remote mountain and canyon miles near North America's deepest gorge
• Blue Ridge Parkway — Virginia & North Carolina: 469 miles of mountain curves with no commercial traffic