Indian Thermostat 1209132

Genuine Indian Thermostat — OEM Part #1209132

Overheating ends a ride fast. The genuine Indian Thermostat keeps your Indian motorcycle at the right temperature, fitting the factory radiator, hoses and housings exactly.

The radiator, fan, water pump, thermostat, hoses and overflow tank keep coolant moving and the engine at a steady temperature. One leak or weak part can lead to overheating and engine damage. This part is confirmed for 8 Indian models for 2025.

Thermostat at a Glance

• OEM part number: 1209132
• Brand: Indian (genuine Polaris-made OEM part)
• Part type: Thermostat Housing
• Indian fitment: 101 Scout, Scout, Sport and Super, 2025
• Condition: New

Models and Years This Thermostat Fits

Genuine part #1209132 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.

Indian Motorcycle Fitment

Why Choose a Genuine Indian OEM Thermostat?

• Exact fit with factory hoses, clamps and mounts
• Correct flow and pressure for the liquid-cooled engine
• Materials made for hot coolant and heat cycles
• Protects expensive engine internals from overheating
• Sold by Witchdoctors, an Indian and Victory OEM parts specialist

Features and Materials

Key Features

• Genuine Indian OEM cooling part, part #1209132
• Original fittings, mounting points and dimensions
• Built for continuous heat and pressure cycles
• Designed for the listed Indian models
• Works with factory coolant, sensors and fan controls

Materials and Construction

Indian cooling parts use aluminum radiator cores and housings, reinforced rubber coolant hoses, heat-stabilized plastic tanks and shrouds, and coolant-resistant seals and O-rings.

Common Reasons Riders Replace This Part

• Fixing coolant leaks at hoses, housings or the radiator
• Curing overheating or a fan that will not run
• Replacing a failed water pump or stuck thermostat
• Repairing a radiator or shroud damaged by road debris

Signs Your Thermostat Needs Replacing

• Temperature warning light or rising gauge
• Coolant puddles or a sweet smell after riding
• Low or bubbling coolant in the overflow tank
• Cracked, swollen or soft hoses
• Bent fins or a blocked radiator

Installation Tips

1. Let the engine cool completely before opening the cooling system.
2. Drain coolant into a clean pan and dispose of it properly.
3. Use the Indian parts diagram for hoses, clamps and O-rings.
4. Install the new part with fresh seals and torque fasteners to spec.
5. Refill with the coolant in your owner's manual, bleed air, and check for leaks after a test ride.

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 #1209132 and every part installed with it in the factory parts diagrams for your model:

• 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 Coolant Recovery Bottle (#5459487)
• Indian Cap Coolant Btl W/ Dipstick (#5464944)
• Indian Thermostat Housing Clip (#5346532)
• Indian Radiator Cover (#5459563)

Recommended Accessories and Maintenance Supplies

Pair your Thermostat with these parts and supplies:

• Coolant and antifreeze — Refill and top off
• Gaskets — Gaskets and seals
• Garage tools — Tools for the job
• Essential maintenance items — Maintenance parts
• Indian Scout parts — more parts for your Scout

Helpful Guides from the Witchdoctors Blog

• How to Test Your Brake Fluid and Coolant: A 60-Second Safety Check
• Spring Tune-Up for Your Victory or Indian Motorcycle: Get Ready to Ride
• Victory & Indian Motorcycle Spring Inspection Checklist

Frequently Asked Questions

What is the OEM part number for this Indian Thermostat?

The genuine part number is 1209132. Use it to match this part to your factory parts diagram.

Which Indian motorcycles does part #1209132 fit?

It fits the Indian 101 Scout (2025); Indian Scout Bobber (2025); Indian Scout Classic (2025); Indian Scout Sixty Bobber (2025); Indian Scout Sixty Classic (2025); Indian Sport Scout (2025); Indian Sport Scout Sixty (2025); Indian Super Scout (2025).

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 models, not an aftermarket copy.

What coolant should I use?

Use the coolant type in your owner's manual. Do not mix types, and use a premix or distilled water.

Should I replace hoses and clamps at the same time?

If they are original or show any cracking or softness, yes. It saves draining the system twice.

Why is my bike overheating in traffic?

Check the coolant level, the fan and the thermostat first. A fan that will not switch on is a common cause.

Order Your Genuine Indian Thermostat Today

Keep your Indian motorcycle on the road. Add the genuine Indian Thermostat (part #1209132) 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.

• Red Rock Scenic Byway (SR 179) — Sedona, Arizona: red-rock buttes on a short, smooth ride
• Tunnel of Trees (M-119) — Harbor Springs, Michigan: a narrow, wooded Lake Michigan shoreline road