JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Proudly Canadian

My Account
Customer Service
Fr

FortNine

Free Shipping on orders over $49*

Motorcycle
Motorcycle Helmets

Motorcycle Jackets

Motorcycle Parts
- Body
- Brakes
- Electrical
- Engine
- Exhaust
- Fuel & Air
- Seats
- Vehicle Protection
- Windshields
- More parts...
Motorcycle Gloves

Motorcycle Boots

Motorcycle Pants

Communication

Motorcycle Accessories
Motorcycle Luggage

Motorcycle Tires
OEM Parts by Motos Illimitées

Brands Alpinestars, Bell, Dainese, HJC, Klim, Revit, Shoei

Motorcycle Closeouts
Dirt Bike
Dirt Helmets

Dirt Jerseys

Dirt Pants

Dirt Gloves

Dirt Boots

Womens Dirt Bike Gear

Kids Dirt Bike Gear
Dirt Goggles

Motocross Protection
Dirt Bike Accessories
Dirt Bike Parts
- Body
- Brakes
- Engine
- Exhaust
- Graphics
- Control
- Suspension
- More Parts...
Dirt Bike Tires

OEM Parts by Motos Illimitées

Brands Alpinestars, Bell, Fox Racing, Thor, Fly, Klim

Dirt Bike Closeouts
ATV
ATV Helmets
- ATV Winter Helmets
- ATV Summer Helmets
ATV Jerseys

ATV Pants

ATV Gloves

ATV Boots

ATV Suits
Womens ATV Gear

Kids ATV Gear

ATV Parts
- Body
- Brakes
- Engine
- Windshields
- Exhausts
- More Parts…
ATV Winches

ATV Plows
ATV Accessories
ATV Wheels

Mounted Tires

ATV Tires

OEM Parts by Motos Illimitées

Brands Kimpex, Moose, Quadboss, Warn, and more

ATV Closeouts
UTV
UTV Body
UTV Windshields

UTV Winches

UTV Plows
UTV Storage
UTV Vehicle Protection
UTV Accessories
UTV Parts
- Lights
- Heaters
- Audio
- More Parts...
UTV Wheels

Mounted Tires

UTV Tires

OEM Parts by Motos Illimitées

Brands Kimpex, Moose, Quadboss, Warn, and more

UTV Closeouts
Snowmobile
Snowmobile Helmets
Snowmobile Jackets

Snowmobile Pants/Bibs

Snowmobile Boots

Snowmobile Parts
Snowmobile Riding Suits

Snowmobile Goggles

Snowmobile Gloves

Snowmobile Balaclavas

Snowmobile Layerwear

Womens Snow Gear

Kids Snowmobile Gear
Snowmobile Accessories
OEM Parts by Motos Illimitées

Brands 509, CKX, FXR Racing, Klim, Arctiva, Camso

Snowmobile Closeouts
MTB
MTB Helmets

MTB Jerseys

MTB Pants & Shorts

MTB Gloves

MTB Footwear

MTB Eyewear

Kids Gear

MTB Protection
Pedals & Cleats

Saddles

Seat Post & Dropper Posts

Suspension

Drivetrain & Groupsets

Wheels & Components

Parts & Components
Cycling Tires

Tire Tubes

Hydration Systems

Cycling Accessories
Brands SRAM, Maxxis, Fox, Shimano

MTB Closeouts
Casual
Mens Casual Apparel
Casual Bags

Wallets
Womens Casual Apparel
Sunglasses

Shoes & Sandals

Fan Gear
Kids Casual Apparel
Decals & Stickers

Brands

Casual Closeouts

Home
Brands

ThunderMax

25 Listed

Bestsellers
Newest
Highest Price
Lowest Price
Rating

ThunderMax Pigtail Communication Harness

$30.99

0
ThunderMax Push-Button Converter - EA4093

$60.99

0
ThunderMax Center Brake Light Module - EA4094

$75.99

0
ThunderMax Transmission Speedometer Sensor - EA4100CHR-DS

$118.99

0
ThunderMax 18mm Replacement Oxygen Sensor - 309-355

$164.99

4
ThunderMax Programmable Transmission Speedometer Sensor - EA4110

$178.99

0
ThunderMax ECM with Integral Auto Tune System

$312.99 - $1,618.99

22
ThunderMax ECM with Integral Auto Tune System - 309-384

$312.99

0
ThunderMax Oil Cooler Fan - EA7000

$385.99

0
ThunderMax Twin Cam Stand-Alone Ignition System - EA5012

$469.99

2
ThunderMax Electronic Harness Controller with Ribbon Cable - EA4250D-C

$479.99
ThunderMax Micro Harness Controller

$516.99 - $568.99

0
ThunderMax ECM with Integral Auto Tune System - 309-362

$1,327.99

0
ThunderMax ECM with Integral Auto Tune System - 309-460

$1,327.99

0
ThunderMax ECM with Integral Auto Tune System - 309-485

$1,327.99

0
ThunderMax ECM with Integral Auto Tune System - 309-562

$1,327.99

0
ThunderMax ECM with Integral Auto Tune System - 309-589

$1,327.99

0
ThunderMax ECM with Integral Auto Tune System - 309-588

$1,327.99

0
ThunderMax ECM with - 309-591

$1,327.99
ThunderMax ECM with Integral Auto Tune System - 309-592

$1,327.99
ThunderMax ECM with Integral Auto Tune System - 309-604

$1,327.99

1
ThunderMax ECM with Integral Auto Tune System - 309-382

$1,393.99

0
ThunderMax ECM with Integral Auto Tune System - 309-466

$1,393.99

0
ThunderMax ECM with Integral Auto Tune System - 309-563

$1,393.99

0
ThunderMax ECM with Integral Auto Tune System - 309-361

$1,618.99

0

0Filters

Departments

Electrical
Engine
Exhausts
Fuel and Air
Lighting

Brand

ThunderMax

Price

30.99

1619.99

Availability

In Stock

Fulfillment

Ships Same Day
Ships Next Day

Proudly Canadian

Change Language

Explore

Motorcycle Manufacturers

Helpful Information

Shipping Policy

Get In Touch

Customer Service

+1-833-371-6756

Resources

Conditions of Use

Stay Connected

Toggle desktop/mobile version

2026 © FortNine. All Rights Reserved.