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Search within a riding style, select an option Begin typing to search, when autocomplete results are available use up and down arrows to review and enter to select. Selecting an options will take you to a new page. Touch device users, explore by touch.
My Ride: 2004 Honda TRX400EX
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2004 Honda TRX400EX Aftermarket Parts

Honda
Fitment Category Brand

Stock sizes for this ride:

  • Chain Type: 520
  • Chain Length: 96
  • Front Sprocket: N/A
  • Rear Sprocket: N/A
  • Air Filter: View
  • Oil Filter: View
  • Brake Pads: View
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Vehicle specifications may vary. Always consult your owner's manual to confirm exact part sizes and compatibility.
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1389 Results

Exact Fit
$2 Fast cash

Motion Pro
Replacement Throttle Cable - CR Style Throttle
$50.79
1 out of 5 stars (2) reviews
Exact Fit

Motion Pro
Rear Brake Lever
$24.99
Exact Fit
$1 Fast cash

Motion Pro
Foot Brake Cable
$35.19
5 out of 5 stars (4) reviews
Exact Fit
$2 Fast cash

Motion Pro
Choke Cable
$17.99
4.5 out of 5 stars (5) reviews
Exact Fit

Moose
Starter Motor
$145.95
1 out of 5 stars (1) review
Exact Fit

Moose
Wheel Cylinder Repair Kit
$41.95
5 out of 5 stars (2) reviews
Exact Fit

Moose
Wheel Bearing Kit
$21.16
4.5 out of 5 stars (23) reviews
Exact Fit

Moose
Swingarm Bearing Kit
$38.95
5 out of 5 stars (1) review
Exact Fit

Moose
Regulator Rectifier
$118.95
5 out of 5 stars (4) reviews
Exact Fit

Moose
Rear Differential Bearing And Seal Kit
$86.95
3.5 out of 5 stars (3) reviews
Exact Fit

Moose
Tie Rod End Kit
$56.51
3 out of 5 stars (7) reviews
Exact Fit

Moose
Stator
$196.95
4 out of 5 stars (10) reviews
Exact Fit

Moose
Master Cylinder Repair Kit
$21.95
4.5 out of 5 stars (29) reviews
Exact Fit

Moose
Air Filter
$23.95
4.5 out of 5 stars (21) reviews
Exact Fit
$10 Fast cash

MBRP Powersports
Utility Muffler
$284.20
Exact Fit
$2 Fast cash

K&L
Brake Master Cylinder Rebuild Kit
$40.95
4 out of 5 stars (16) reviews
Exact Fit
$1 Fast cash

K&L
Float Bowl O-Rings
$18.95
1 out of 5 stars (1) review
Exact Fit
$1 Fast cash

ITP
Lug Nut Set
$48.88
Sale
Save 10%
4.5 out of 5 stars (27) reviews
Exact Fit

HMF
Spark Arrestor Screen
$24.95
5 out of 5 stars (1) review
Exact Fit

HMF
Quiet Core Insert
$34.95
4.5 out of 5 stars (10) reviews
Exact Fit

Big Gun
Spark Arrestor Screen
$16.43
Sale
Save 10%
4 out of 5 stars (5) reviews
Exact Fit
$1 Fast cash

Big Gun
Repack Kit
$24.29
Sale
Save 10%
5 out of 5 stars (7) reviews
Exact Fit

Goodridge
Speed Bleeders
$14.36
Sale
Save 10%
4 out of 5 stars (11) reviews
Exact Fit
$1 Fast cash

FMF
Premier Muffler Packing - 4-Stroke
$28.99
Sale
Save 9%
5 out of 5 stars (8) reviews
Exact Fit

EBC
Clutch Springs
$12.99
Sale
Save 5%
4 out of 5 stars (10) reviews
Exact Fit
$4 Fast cash

Dura Blue
Easy-Fit Wheel Spacers
$142.99
Sale
Save 10%
2.5 out of 5 stars (7) reviews
Exact Fit
$9 Fast cash

BikeMaster
Lithium Ion 2.0 Battery
$212.99
Exact Fit
$1 Fast cash

BikeMaster
Brake Shoes
$38.99
4 out of 5 stars (13) reviews
Exact Fit
$8 Fast cash

Arrowhead
Starter Motor
$97.99
Sale
Save 32%
4.5 out of 5 stars (39) reviews
Exact Fit

Acerbis
Rally Pro / Rally 2 Hand Guard ATV Extension
$8.99
Sale
Save 18%
Exact Fit
$1 Fast cash

All Balls
Master Cylinder Rebuild Kit - Left Hand Brake
$28.31
Sale
Save 5%
Exact Fit
$2 Fast cash

All Balls
Rear Differential Seal Kit
$25.13
Sale
Save 5%
5 out of 5 stars (1) review
Exact Fit
$8 Fast cash

All Balls
Rear Differential Bearing Kit
$88.27
Sale
Save 5%
4 out of 5 stars (6) reviews
$2 Fast cash
Colors for Pro Taper Seven Eighths Handlebars - Standard 7/8

Pro Taper
Seven Eighths Handlebars - Standard 7/8
$83.99 - $87.99
5 out of 5 stars (133) reviews
$4 Fast cash
Colors for Renthal Fat Bar - Oversized 1-1/8
+3 more

Renthal
Fat Bar - Oversized 1-1/8
$120.99
Sale
Save 10%
5 out of 5 stars (71) reviews

NGK
Offroad Spark Plug
$4.28 - $24.69
Sale
Save 10%
5 out of 5 stars (67) reviews
Colors for Pro Taper Pillow Top Grips - Twist Throttle
+2 more

Pro Taper
Pillow Top Grips - Twist Throttle
$14.99
4.5 out of 5 stars (536) reviews

Maxima
Fab 1 Spray-On Air Filter Oil
$10.19
Sale
Save 15%
4.5 out of 5 stars (29) reviews
$1 Fast cash
Colors for Renthal Fat Bar Pad
+6 more

Renthal
Fat Bar Pad
$29.99 - $35.99
Sale
Save 9%
4.5 out of 5 stars (21) reviews
$1 Fast cash

Maxima
Air Filter Care Kit
$21.24
Sale
Save 15%
5 out of 5 stars (37) reviews

Maxima
Fork Oil
$8.49 - $12.74
Sale
Save 15%
5 out of 5 stars (27) reviews

HP Tools
Crush Washer Kit
$4.99
$3 Fast cash
Colors for Renthal Handlebars - Standard 7/8

Renthal
Handlebars - Standard 7/8
$99.99 - $107.99
Sale
Save 10%
5 out of 5 stars (81) reviews

MotoSport
Muffler Plug
$3.99 - $4.99
Sale
Save 15%
3 out of 5 stars (7) reviews

Maxima
FFT Air Filter Oil
$8.49 - $13.59
Sale
Save 15%
5 out of 5 stars (41) reviews
$5 Fast cash
Colors for Renthal Twinwall Handlebars - Oversized 1-1/8

Renthal
Twinwall Handlebars - Oversized 1-1/8
$162.99 - $174.99
Sale
Save 10%
5 out of 5 stars (96) reviews

Pro Taper
Grip Glue
$10.99
4 out of 5 stars (78) reviews
$1 Fast cash
Colors for ODI Rogue ATV V2.1 Lock-On Grips - Thumb Throttle
+5 more

ODI
Rogue ATV V2.1 Lock-On Grips - Thumb Throttle
$30.95
4 out of 5 stars (6) reviews

Works Connection
Maintenance-Hour-Tach Meter
$49.95
4.5 out of 5 stars (42) reviews

Maxima
Racing Fork Fluid
$15.29
Sale
Save 15%
5 out of 5 stars (15) reviews
$6 Fast cash

Mika Metals
Pro Series Oversized Handlebars - 1-1/8"
$125.99 - $145.94
Sale
Save 16%
4.5 out of 5 stars (17) reviews
Colors for Moose Vent Cap
+2 more

Moose
Vent Cap
$9.95
4 out of 5 stars (120) reviews
Colors for Pro Taper Pillow Top Lite Grip - Twist Throttle
+2 more

Pro Taper
Pillow Top Lite Grip - Twist Throttle
$14.99
4.5 out of 5 stars (98) reviews

Motorex
Racing Fork Oil
$17.84 - $18.69
Sale
Save 15%
5 out of 5 stars (14) reviews
Colors for Renthal Grip Donuts

Renthal
Grip Donuts
$6.99
Sale
Save 12%
5 out of 5 stars (32) reviews

Maxima
Air Filter Cleaner
$11.89
Sale
Save 15%
4.5 out of 5 stars (26) reviews
$3 Fast cash
Colors for ODI Podium Flight MX Handlebars - Oversized 1-1/8

ODI
Podium Flight MX Handlebars - Oversized 1-1/8
$114.95 - $119.95
4 out of 5 stars (10) reviews
$1 Fast cash
Colors for ODI Troy Lee Designs Signature Series Lock-On ATV Grips
+3 more

ODI
Troy Lee Designs Signature Series Lock-On ATV Grips
$35.95
5 out of 5 stars (5) reviews

HP Tools
Swivel Exhaust Springs
$5.99 - $6.49
Sale
Save 8%
4 out of 5 stars (6) reviews
$1 Fast cash

Twin Air
Radiator Pressure Cap
$32.99 - $35.95
Sale
Save 8%
4 out of 5 stars (5) reviews

2004 Honda TRX400EX Aftermarket Parts

MotoSport has the parts and gear you need to keep you and your Honda TRX400EX ATV in style and prime condition. Finding the ATV parts you need has never been easier, whether you need a power-producing ATV exhaust, upgraded fuel control for your quad or just a fresh new look with ATV plastics or a graphics kit. At MotoSport we work hard to ensure you find parts easily - and at a price that you know is the industry's best. If aftermarket is not your thing we offer OEM ATV parts for Yamaha, Honda, Kawasaki, Suzuki, Can-Am and KTM.

After you get your Honda TRX400EX set up with the latest add-ons check out our riding gear selection that includes gear from the brands you trust.Taking your passion of ATV riding to the streets is only natural. At MotoSport you can find the best casual styles anywhere from the top ATV companies like Alpinestars, Fox Racing, and many more. Narrowing down what you want might take some time because we offer a style for everyone. Taking your new gear and clothes on the road can be as cool as the gear you chose with our huge selection of bags including backpacks from brands like Oakley and Klim or gear bags from brands like Fox Racing.