Indian Fork Tube, Inner Left 1504593

Genuine Indian Fork Tube, Inner Left — OEM Part #1504593

Restore planted, confident handling with the genuine Indian Fork Tube, Inner Left, part #1504593. It is the factory front-end part for the Indian Challenger Dark Horse 108, Challenger Dark Horse 112 and other models.

Forks and triple trees handle steering, braking loads and bumps. Worn seals, springs or bearings cause leaks, wobble and poor handling. This part is confirmed for 21 Indian models from 2025 to 2026. See the full fitment list below.

Indian Fork Tube, Inner Left at a Glance

• OEM part number: 1504593
• Brand: Indian Motorcycle (genuine OEM part)
• Part type: Fork Tubes & Covers
• Fits: Indian Chieftain, Roadmaster and Springfield and Challenger and Pursuit models, 2025–2026
• Condition: New

Indian Models and Years This Fork Tube, Inner Left Fits

Genuine Indian part #1504593 fits the models and years below. To be certain, match the part number to the factory parts diagram for your bike, or contact us with your VIN before ordering.

Indian Chieftain, Roadmaster and Springfield Fitment

Indian Challenger and Pursuit Fitment

Why Choose a Genuine Indian OEM Fork Tube, Inner Left?

• Factory spring rate and damping
• Correct steering geometry and trail
• Leak-free seals and smooth action
• Stable handling under braking
• Made to the same specifications as the part installed at the factory, not an aftermarket copy
• Sold by Witchdoctors, an Indian Motorcycle OEM parts source with factory part numbers and diagrams for every listing

Every Indian, from the Chief and Chieftain to the Challenger, Scout and FTR, is engineered as a complete system. Genuine OEM parts keep your bike correct, reliable and easier to sell. Learn more in our Indian motorcycle parts guide.

Features and Materials

Key Features

• Genuine Indian Motorcycle OEM part #1504593
• Precision-machined to original dimensions
• Matching chrome or black finish
• Direct replacement for the listed models

Materials and Construction

Indian front suspension parts use hard-chromed steel fork tubes, cast aluminum sliders and triple clamps, steel springs, and oil-resistant seals and bushings.

Common Reasons Riders Replace This Part

• Fork seal and bushing service
• Replacing bent tubes or damaged legs
• Steering bearing replacement
• Repairs after a front-end impact

Signs Your Fork Tube, Inner Left Needs Replacing

• Oil on the fork tubes or brake
• Clunking under braking
• Front end feels soft or bouncy
• Head shake or notchy steering

Installation Tips

1. Support the bike securely with the front wheel off the ground.
2. Remove the wheel, fender and calipers as needed.
3. Install new parts and fill forks with the correct oil and level.
4. Torque clamp and axle pinch bolts to spec.
5. Pump the forks, check alignment and test-ride carefully.

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

Indian Parts Diagrams for This Part

Browse all Indian motorcycle parts diagrams to find part #1504593 for your model.

Related Indian OEM Parts

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

• Indian Fork Tube, Outer (#5143914)
• Indian Fork Tube, Inner Right (#1504592)

Recommended Accessories and Maintenance Supplies

Pair your Fork Tube, Inner Left with these parts and supplies:

• Indian maintenance essentials — Filters, plugs, fluids and wear items
• Galfer brakes for Indian — Brake pads, rotors and braided lines
• Indian motorcycle tires — Front and rear cruiser and touring tires
• Indian wheel bearings and axles — Wheel bearings, seals and axle parts
• Indian OEM parts diagrams — find every factory part for your model

Helpful Guides from the Witchdoctors Blog

• Choosing The Correct Fork Oil For Your Victory or Indian Motorcycle
• Beware of Victory & Indian Motorcycle Parts Scams on Facebook!
• Tips on Planning Your 2025 Spring and Summer Motorcycle Adventure
• Victory & Indian Motorcycle Maintenance Checklist

Frequently Asked Questions

What is the OEM part number for this Indian Fork Tube, Inner Left?

The genuine Indian Motorcycle part number is 1504593. Use it to match this part to your factory parts diagram.

Which Indian models does part #1504593 fit?

It fits 21 Indian models from 2025 to 2026. See the fitment tables above for every model and year.

Is this a genuine Indian Motorcycle part?

Yes. This is a genuine Indian Motorcycle OEM part, the same part number used at the factory, not an aftermarket copy.

How do I make sure this fits my bike?

Match part #1504593 to the parts diagram for your model and year, or send us your VIN and we will confirm it for you.

What fork oil does my Indian need?

See our fork oil guide and your service manual for the correct weight and level.

Should I replace seals on both forks?

Yes. Service both legs together for even damping.

Can bent fork tubes be straightened?

Replacement is the safer choice for a road motorcycle.

Order Your Genuine Indian Fork Tube, Inner Left Today

Ride with confidence on parts made for your bike. Order the genuine Indian Fork Tube, Inner Left, OEM part #1504593, from Witchdoctors today and keep your Indian Challenger Dark Horse 108, Challenger Dark Horse 112 and other models running the way Indian designed it.

• 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

Your Indian 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.

• Great River Road — Minnesota and the Mississippi River: river towns and bluffs along the Mississippi
• Historic Columbia River Highway — Columbia River Gorge, Oregon: waterfalls and gorge views on America's first scenic highway