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2003 Honda TRX400EX Sportrax Parts & Accessories

21 parts available 6 Performance 12 Maintenance 3 Accessories
2003 Honda TRX400EX Sportrax

About the 2003 Honda TRX400EX Sportrax

Find quality aftermarket parts and accessories for your 2003 Honda TRX400EX Sportrax. Dream Cycles Canada carries a wide selection of performance upgrades, maintenance parts, and accessories to keep your ride running strong through every Canadian season. Browse our curated selection below to find exactly what you need.

Performance Upgrades 6

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Dynojet Power Commander 6 Fuel Injection Module Dynojet Power Commander 6 Fuel Injection Module
Fits
WISECO PISTON Dynojet Power Commander 6 Fuel Injection Module
$5.95
1 of 1810 options fit
In Stock
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Hot Cams Racing Camshafts Hot Cams Racing Camshafts
Fits
HOT CAMS Hot Cams Racing Camshafts
$574.95
1 of 15 options fit
In Stock
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Hotcams Silent Cam Chains Hotcams Silent Cam Chains
Fits
HOT CAMS Hotcams Silent Cam Chains
$153.95
1 of 15 options fit
In Stock
See Options
Kibblewhite Viton Valve Seal 0926-0386 Kibblewhite Viton Valve Seal 0926-0386
Fits
KIBBLEWHITE Kibblewhite Viton Valve Seal 0926-0386
$24.95
In Stock
Moose Offroad Shock Seal Head Kits Moose Offroad Shock Seal Head Kits
Fits
Moose Racing Moose Offroad Shock Seal Head Kits
$73.95
1 of 26 options fit
In Stock
See Options
Vertex Piston Kits, Rings, Wrist Pins and Circlips Vertex Piston Kits, Rings, Wrist Pins and Circlips
Fits
VERTEX Vertex Piston Kits, Rings, Wrist Pins and Circlips
$67.95
1 of 129 options fit
In Stock
See Options

Maintenance Parts 12

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Brake Pads and Shoes by DP Brakes Brake Pads and Shoes by DP Brakes
Fits
Moose Racing Brake Pads and Shoes by DP Brakes
$38.95 - $76.95
6 of 91 options fit
In Stock
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DP Brakes Motorcycle Brake Pads DP Brakes Motorcycle Brake Pads
Fits
DP Brakes DP Brakes Motorcycle Brake Pads
$68.95 - $77.95
4 of 664 options fit
In Stock
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EBC Motorcycle Brake Pads and Shoes EBC Motorcycle Brake Pads and Shoes
Fits
PARTS UNLIMITED EBC Motorcycle Brake Pads and Shoes
$55.95 - $59.95
6 of 953 options fit
In Stock
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Emgo Universal Ignition Coils Emgo Universal Ignition Coils
Fits
Emgo Emgo Universal Ignition Coils
$17.95
1 of 8 options fit
In Stock
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Factory Links Front Bearing Packs Factory Links Front Bearing Packs
Fits
FACTORY LINKS Factory Links Front Bearing Packs
$50.95 - $107.95
20 of 140 options fit
In Stock
See Options
JT Sprockets for Yamaha Motorcycles JT Sprockets for Yamaha Motorcycles
Fits
JT SPROCKETS JT Sprockets for Yamaha Motorcycles
$20.95
3 of 700 options fit
In Stock
See Options
Moose Offroad OEM Replacement Rotor Moose Offroad OEM Replacement Rotor
Fits
Moose Racing Moose Offroad OEM Replacement Rotor
$184.95
In Stock
Moose Offroad V-Bar ATV Tire Chains Moose Offroad V-Bar ATV Tire Chains
Fits
MOOSE UTILITY- SNOW Moose Offroad V-Bar ATV Tire Chains
$88.95
1 of 3 options fit
In Stock
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Motorcycle Oil Filters Motorcycle Oil Filters
Fits
K & N Motorcycle Oil Filters
$5.95 - $14.95
7 of 413 options fit
In Stock
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PC Racing FLO Stainless Steel Oil Filters PC Racing FLO Stainless Steel Oil Filters
Fits
PC Racing PC Racing FLO Stainless Steel Oil Filters
$52.95
1 of 6 options fit
In Stock
See Options
Rick's Motorsport Electrics Starter Brush Plate Repair Kits Rick's Motorsport Electrics Starter Brush Plate Repair Kits
Fits
RICK'S MOTORSPORT ELECTRIC Rick's Motorsport Electrics Starter Brush Plate Repair Kits
$59.95
1 of 7 options fit
In Stock
See Options
Yuasa and Parts Canada Motorcycle Batteries Yuasa and Parts Canada Motorcycle Batteries
Fits
Yuasa Yuasa and Parts Canada Motorcycle Batteries
$163.95
18 of 1013 options fit
In Stock
See Options

Accessories 3

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Moose Racing Shock Covers Moose Racing Shock Covers
Fits
MOOSE UTILITY DIVISION Moose Racing Shock Covers
$43.95
1 of 4 options fit
In Stock
See Options
PowerMadd Fuzion Handguards and Mounts PowerMadd Fuzion Handguards and Mounts
Fits
POWERMADD/COBRA PowerMadd Fuzion Handguards and Mounts
$100.95 - $106.95
3 of 42 options fit
In Stock
See Options
PowerMadd PowerX Handguard Mounting Kit PowerMadd PowerX Handguard Mounting Kit
Fits
POWERMADD/COBRA PowerMadd PowerX Handguard Mounting Kit
$82.95
In Stock

Frequently Asked Questions About the 2003 Honda TRX400EX Sportrax

Regular maintenance items include oil filters, air filters, brake pads, and spark plugs. Check your owner's manual for the recommended service intervals specific to your model.

Popular first upgrades include an aftermarket exhaust system for better sound and performance, an upgraded air filter for improved airflow, and suspension upgrades for a better ride quality.

Proper winter storage includes stabilizing the fuel, changing the oil, removing the battery and keeping it on a tender, and using a quality cover. Consider a full service before storing so it's ready to ride in spring.

Looking for parts for a different ride?

Browse our full catalog of rides or use the vehicle selector to find parts that fit your machine.

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