Memorial Day Sale New Markdowns Added - Up To 70% Off Parts and Gear Shop Now
CLOSE
Shipping to US Flag United States
Free shipping over $79
Get An Additional 10% Off OEM Use Code OEM10 At Checkout Shop Now

1998 KTM 400RXC Aftermarket Parts

Refine

269 Results

Exact Fit

Artrax
Tire Combo

$88.00
Sale
Save 45%
4.5 out of 5 stars (263) reviews
Exact Fit

All Balls
Rear Wheel Bearing Kit

$72.67
Sale
Save 89%
4.5 out of 5 stars (191) reviews
Video Available
Exact Fit

All Balls
Front Wheel Bearing Kit

$18.04
Sale
Save 88%
4.5 out of 5 stars (186) reviews
Video Available
Exact Fit

Artrax
MX-Pro Rear Tire

$49.99 - 58.99
Sale
Save 50%
4.5 out of 5 stars (165) reviews
Exact Fit

Sunstar
Front Sprocket

$14.78 - 38.17
Sale
Save 39%
4.5 out of 5 stars (146) reviews
Video Available
Exact Fit

Sunstar
Steel Rear Sprocket

$8.77 - 63.01
Sale
Save 84%
4.5 out of 5 stars (141) reviews
Video Available
Exact Fit

Dunlop
Tire Combo

$97.00
Sale
Save 12%
4.5 out of 5 stars (137) reviews
Exact Fit

Dunlop
Geomax MX33 Rear Tire

$117.99
Sale
Save 15%
5 out of 5 stars (135) reviews
Video Available
Exact Fit

Renthal
520 R1 Works Chain

$114.99
Sale
Save 10%
4.5 out of 5 stars (132) reviews
Video Available
Exact Fit

DID
520 DZ2 Chain

$70.54
Sale
Save 15%
4.5 out of 5 stars (121) reviews
Video Available
Exact Fit

BikeMaster
TruGel Battery

$51.26
Sale
Save 10%
4.5 out of 5 stars (120) reviews
Exact Fit

Maxxis
Maxxcross IT Rear Tire

$75.99
Sale
Save 61%
5 out of 5 stars (117) reviews
Video Available
Exact Fit

All Balls
Steering Bearing Kit

$33.86
Sale
Save 73%
4.5 out of 5 stars (113) reviews
Video Available
Exact Fit

Artrax
SX1 Rear Tire

$54.99
Sale
Save 47%
4 out of 5 stars (111) reviews
Exact Fit

Sunstar
Chain & Steel Sprocket Combo

$55.30
Sale
Save 22%
4.5 out of 5 stars (100) reviews
Video Available
Exact Fit

EBC
MX-S Brake Pads

$44.13
Sale
Save 5%
4.5 out of 5 stars (96) reviews
Exact Fit

Artrax
TG4 Rear Tire

$50.99 - 58.99
Sale
Save 47%
4.5 out of 5 stars (92) reviews
Exact Fit

UNI
Multi-Stage Competition Air Filter

$37.95
Sale
Save 39%
5 out of 5 stars (91) reviews
Exact Fit

IMS
Pro Series 4 Motorcycle Footpegs

$118.95
4.5 out of 5 stars (89) reviews
Exact Fit

Maxxis
Maxxcross Desert IT Rear Tire

$100.99 - 110.99
Sale
Save 54%
5 out of 5 stars (89) reviews
Exact Fit

All Balls
Swingarm Bearing Kit

$81.63
Sale
Save 86%
4.5 out of 5 stars (86) reviews
Video Available
Exact Fit

EBC
X Series Carbon Brake Pads

$34.68
Sale
Save 5%
4.5 out of 5 stars (79) reviews
Exact Fit

All Balls
Brake Master Cylinder Rebuild Kit

$2.77 - 39.45
Sale
Save 89%
4.5 out of 5 stars (77) reviews
Video Available
Exact Fit

Dunlop
D606 Tire Combo

$281.00
Sale
Save 18%
5 out of 5 stars (76) reviews
Exact Fit

Dunlop
D606 Rear Tire

$155.99 - 163.99
Sale
Save 11%
5 out of 5 stars (76) reviews
Exact Fit

Dunlop
D606 Front Tire

$129.99
Sale
Save 24%
5 out of 5 stars (76) reviews
Exact Fit

DID
520 Standard Chain

$52.69
Sale
Save 15%
4 out of 5 stars (74) reviews
Video Available
Exact Fit

DID
520 ERT3 Racing Chain

$104.54 - 108.79
Sale
Save 15%
5 out of 5 stars (73) reviews
Exact Fit

EBC
R Series Sintered Brake Pads

$25.47 - 43.41
Sale
Save 5%
4.5 out of 5 stars (72) reviews
Exact Fit

Renthal
Sintered Brake Pads

$41.99
Sale
Save 11%
4.5 out of 5 stars (69) reviews
Video Available
Exact Fit

Sunstar
Aluminum Rear Sprocket

$62.79
Sale
Save 81%
5 out of 5 stars (68) reviews
Video Available
Exact Fit

Renthal
Twin Ring Rear Sprocket

$89.99 - 139.95
Sale
Save 11%
5 out of 5 stars (66) reviews
Video Available
Exact Fit

Artrax
MX-Pro Front Tire

$39.99 - 41.99
Sale
Save 49%
4.5 out of 5 stars (66) reviews
Exact Fit

Supersprox
Stealth Rear Sprocket

$107.96
Sale
Save 35%
5 out of 5 stars (63) reviews
Exact Fit

Galfer
HH Sintered Brake Pads

$33.99
Sale
Save 35%
4.5 out of 5 stars (61) reviews
Video Available
Exact Fit

Michelin
Tire Combo

$205.00
Sale
Save 27%
5 out of 5 stars (61) reviews
Exact Fit

Dunlop
Geomax AT81 Rear Tire

$105.99 - 113.99
Sale
Save 13%
4.5 out of 5 stars (55) reviews
Video Available
Exact Fit

Dunlop
Geomax AT81 Tire Combo

$180.00
Sale
Save 12%
4.5 out of 5 stars (55) reviews
Video Available
Exact Fit

Bridgestone
Battlecross X30 Rear Tire

$117.99
Sale
Save 33%
5 out of 5 stars (55) reviews
Exact Fit

Dunlop
Geomax AT81 Front Tire

$104.99
Sale
Save 11%
4.5 out of 5 stars (55) reviews
Video Available
Exact Fit

Goldentyre
GT216AA "Fatty" Front Tire

$130.99
Sale
Save 6%
5 out of 5 stars (54) reviews
Video Available
Exact Fit

Artrax
SE3 Rear Tire

$59.99
Sale
Save 47%
4 out of 5 stars (53) reviews
Exact Fit

Artrax
Tire Combo With Tubes

$88.02
Sale
Save 52%
4.5 out of 5 stars (52) reviews
Exact Fit

Maxxis
Tire Combo

$157.00
Sale
Save 35%
5 out of 5 stars (51) reviews
Exact Fit

Dunlop
Geomax MX33 Front Tire

$45.99 - 107.99
Sale
Save 44%
4.5 out of 5 stars (50) reviews
Video Available
Exact Fit

Artrax
SX1 Front Tire

$39.99 - 41.99
Sale
Save 49%
4.5 out of 5 stars (50) reviews
Exact Fit

Renthal
520 R3-3 SRS Chain

$142.99
Sale
Save 11%
4.5 out of 5 stars (49) reviews
Video Available
Exact Fit

IMS
Super Stock Footpegs

$107.95
4 out of 5 stars (48) reviews
Exact Fit

DID
520VO O-Ring Chain

$76.71
Sale
Save 15%
4.5 out of 5 stars (48) reviews
Exact Fit

Warp 9
Complete Rear Wheel

$412.00
4 out of 5 stars (47) reviews
Exact Fit

Sunstar
520 SSR O-Ring Sealed Ring Chain

$62.16
Sale
Save 20%
4 out of 5 stars (46) reviews
Video Available
Exact Fit

Bridgestone
Battlecross Tire Combo

$118.00
Sale
Save 30%
4.5 out of 5 stars (46) reviews
Exact Fit

FMF
Silencer Packing - 4-Stroke

$13.99
Sale
Save 7%
4.5 out of 5 stars (45) reviews
Exact Fit

G2 Ergonomics
Quick Turn Throttle Tube

$69.99
4.5 out of 5 stars (45) reviews
Exact Fit

Turner Performance Products
Fork Bleeder

$15.99
Sale
Save 20%
3.5 out of 5 stars (44) reviews
Exact Fit

Sunstar
Chain & Aluminum Sprocket Combo

$89.13
Sale
Save 22%
5 out of 5 stars (43) reviews
Video Available
Exact Fit

Pivot Works
Steering Stem Bearing Kit

$52.98
Sale
Save 20%
4.5 out of 5 stars (42) reviews
Video Available
Exact Fit

Fire Power
Featherweight Lithium Battery

$123.26
Sale
Save 10%
4 out of 5 stars (42) reviews
Exact Fit

WPS
Rim Strip

$1.99
4.5 out of 5 stars (40) reviews
Exact Fit

Dunlop
Geomax MX53 Rear Tire

$43.99 - 128.99
Sale
Save 22%
5 out of 5 stars (40) reviews

1998 KTM 400RXC Aftermarket Parts

At MotoSport you'll find all the 1998 KTM 400RXC aftermarket parts you need to make your next ride your best ride. We aim to please and suit a wide variety of bikes and riding styles, as well. We carry a large selection of dirt bike exhausts to give you the option of a race ready system or for more modest engines.

Not only do we carry the 1998 KTM 400RXC aftermarket parts that give your dirt bike a performance boost, we also carry the parts to keep your ride feeling smooth. Sometimes the parts that keep your bike riding its best come directly from the manufacturer. At MotoSport you can also find the OEM dirt bike parts to complete almost any job, from a basic fender bolt to a complete new top end if you prefer to stick with stock.

Finding all the parts and gear you need has never been easier - and shipping your parts and gear is free on orders more than $79! You've got more choices than ever when it comes to where to buy, and we always want to provide the best shopping experience in the industry. If you run into trouble or need help finding specific parts for your 1998 KTM 400RXC give a gearhead a call at 1-888-676-8853 and we'll get you ready to ride.