Skip to content

FIND THE PERFECT PART

Shop all parts

Powersports
Axles and Boots
Batteries and Chargers
Brakes
Cables
Carbs and Fuel
Cooling System
Drivetrain
Electrical and Ignition
Engine Components
Hardware
Mirrors and Accessories
Steering and Suspension

Outdoor Power Equipment
Chainsaw Bars
Chainsaw Chains
Fuel Pump Kits
Mower Belts
Mower Blades
Mower Deck Repair Kits
Mower Deck Spindles
Mower Idler Pulleys
Mower PTO Clutches
Snow Blower Skid Shoes

Shop all parts

Powersports
Outdoor Power Equipment

Part Discounter

Login / Signup

My account

Your cart is empty

Shop our products

Part Discounter

Home
2003 Honda XR400R

Filters

Bearings
Brake Kits
Brake Pads
Brake Rotors
Cables
Drive Chains
Drive Clutches
Drive Sprockets
Drive Sprockets Kits
Gear Shifter
Seals
Top End (Cylinder)
Top End (Gaskets)
Top End (Head)
Top End (Pistons)
Top End (Timing)
Top End (Valves)
Top End Hardware
Top End Kits
Wheel Bearings

In stock
Out of stock

$

-

$

2003 Honda XR400R

172 products

Showing 1 - 24 of 172 products

Showing 1 - 24 of 172 products

Display

Sort by

View

Gold X-Ring Chain 110 w/ Master Link for zOTHER Yamaha Suzuki Kawasaki Honda YZ250 XR650R NICHE 519-CDC2405H

NICHE 519-CDC2405H Chain for zOTHER Yamaha Suzuki Kawasaki Honda

NICHE Gold 520 X-Ring Chain 128 Links With Connecting Master Link Motorcycle

Sale priceFrom $24.95 USD Regular price$30.99 USD

Cylinder Piston Top End Kit for zOTHER Honda XR400R TRX400 SporTrax 98061-59616 NICHE MK1000947

NICHE MK1000947 Cylinder Piston Top End Kit for zOTHER Honda

NICHE 397cc Cylinder Piston Kit for Honda Sportrax TRX400X 12100-HN1-A70

Sale price$78.95 USD Regular price$92.99 USD

Cylinder Piston Top End Kit for zOTHER Honda XR400R TRX400 SporTrax 91302-356-000 NICHE MK1001165

NICHE MK1001165 Cylinder Piston Top End Kit for zOTHER Honda

NICHE 397cc Cylinder Piston for Honda Sportrax TRX400X TRX400EX 91302-356

Sale price$261.95 USD Regular price$302.99 USD

Engine Cylinder for Honda XR400R TRX400 SporTrax 12100-KCY-670 12100-HN1-A70 NICHE 519-CCY2238L

NICHE 519-CCY2238L Engine Cylinder for Honda XR400R TRX400 SporTrax

NICHE 397cc Engine Cylinder for Honda Sportrax TRX400EX 12100-KCY-670

Sale price$49.95 USD Regular price$58.99 USD

Top End Kit Cylinder Piston Camshaft Kit for zOTHER Honda XR400R TRX400 SporTrax NICHE MK1001166

NICHE MK1001166 Cylinder Kit for zOTHER Honda XR400R TRX400

NICHE Cylinder Piston Camshaft Kit for Honda Sportrax TRX400X 12200-HN1-A70

Sale price$312.95 USD Regular price$361.99 USD

Camshaft for Honda XR400R TRX400 SporTrax 14000-KCY-670 14000-HN1-A70 14000-HN1-000 NICHE 519-CCA2220M

NICHE 519-CCA2220M Camshaft for Honda XR400R TRX400 SporTrax

NICHE Camshaft for Honda Sportrax TRX400X TRX400EX 14000-KCY-670 1999-2014

Sale price$59.95 USD Regular price$70.99 USD

Drive Chain 72 Standard Non O-Ring w/ Master Link for zOTHER Quadrunner Big ALT185 NICHE 519-CDC2327H

NICHE 519-CDC2327H Chain for zOTHER Quadrunner Big ALT185

NICHE 520 Drive Chain 84 Links Standard Non O-Ring with Connecting Master

Sale priceFrom $18.95 USD Regular price$23.99 USD

Cylinder Piston Kit for zOTHER Honda XR400R TRX400 SporTrax 91302-500-000 91302-216-000 NICHE MK1000942

NICHE MK1000942 Cylinder Piston Kit for zOTHER Honda XR400R TRX400

NICHE 440cc Big Bore Cylinder Piston Kit for Honda Sportrax XR400R 90601-KA5

Sale price$89.95 USD Regular price$104.99 USD

Drive Chain 120 O-Ring w/ Master Link for zOTHER Kawasaki Honda XR650L XR200R Rebel NM4 NICHE 519-CDC2424H

NICHE 519-CDC2424H Chain for zOTHER Kawasaki Honda XR650L XR200R

NICHE 520 Drive Chain 88 Links O-Ring With Connecting Master Link Motorcycle

Sale priceFrom $22.95 USD Regular price$27.99 USD

Cam Timing Chain for Honda XR400R TRX400 SporTrax 14401-KCY-671 NICHE 519-CCC2226N

NICHE 519-CCC2226N Cam Timing Chain for Honda XR400R TRX400 SporTrax

NICHE Cam Timing Chain Tensioner for Honda Sportrax 400 TRX400 14401-KCY-671

Sale price$15.95 USD Regular price$19.99 USD

Cylinder Piston Kit for zOTHER Honda TRX400 SporTrax NICHE MK1012029

NICHE MK1012029 Cylinder Piston Kit for zOTHER Honda TRX400

NICHE Wiseco Piston Cylinder 10:1 Kit for Honda Sportrax TRX400EX 4606M08500

Sale price$255.95 USD Regular price$295.99 USD

Gasket Piston Ring Kit for zOTHER Honda XR400R TRX400 SporTrax 98061-59616 90601-KA5-000 NICHE MK1000990

NICHE MK1000990 Gasket Piston Ring Kit for zOTHER Honda XR400R

NICHE Standard Bore Top End Repair Kit Honda Sportrax TRX400EX TRX400X

Sale price$42.95 USD Regular price$50.99 USD

Big Bore Cylinder for Honda XR400R TRX400 SporTrax 12100-KCY-670 12100-HN1-A70 NICHE 519-CCY2234L

NICHE 519-CCY2234L Big Bore Cylinder for Honda XR400R TRX400 SporTrax

NICHE 416cc Big Bore Cylinder for Honda Sportrax TRX400 X EX 12100-KCY-670

Sale price$49.95 USD Regular price$58.99 USD

Cylinder Head for zOTHER Honda XR400R TRX400 SporTrax 12310-HN1-A70 12310-HN1-010 NICHE 519-KCY2227H

NICHE 519-KCY2227H Cylinder Head for zOTHER Honda XR400R TRX400

NICHE Cylinder Head for Honda Sportrax 400 XR400R TRX400EX 12200-KCY-670

Sale price$209.95 USD Regular price$242.99 USD

Cylinder Gasket Head Kit for zOTHER Honda TRX400 SporTrax NICHE MK1012031

NICHE MK1012031 Cylinder Gasket Head Kit for zOTHER Honda TRX400

NICHE Wiseco Piston Cylinder 10:1 Gasket Head Kit for Honda Sportrax

Sale price$446.95 USD Regular price$515.99 USD

Cylinder Head Intake & Exhaust Valve Kit for Honda XR400R TRX400 SporTrax 14721-KCY-670 NICHE MK1002960

NICHE MK1002960 Valve Kit for Honda XR400R TRX400 SporTrax

NICHE Cylinder Head Intake Exhaust Valve Kit for Honda Sportrax XR400R

Sale price$35.95 USD Regular price$42.99 USD

Top End Kit Cylinder Piston Camshaft for zOTHER Honda XR400R TRX400 SporTrax 98061-59616 NICHE MK1000998

NICHE MK1000998 Cylinder Kit for zOTHER Honda XR400R TRX400

NICHE Cylinder Piston Camshaft Kit for Honda Sportrax TRX400X 12191-KCY

Sale price$134.95 USD Regular price$156.99 USD

Big Bore Kit Cylinder Piston Combo for zOTHER Honda XR400R TRX400 SporTrax 91302-500-000 NICHE MK1001215

NICHE MK1001215 Cylinder Kit for zOTHER Honda XR400R TRX400

NICHE 440cc Big Bore Cylinder Piston for Honda XR400R 12100-KCY-670

Sale price$89.95 USD Regular price$104.99 USD

Cylinder Head Rebuild Kit Combo for zOTHER Honda XR400R 14781-HA0-770 14775-KCY-670 NICHE MK1001201

NICHE MK1001201 Cylinder Kit for zOTHER Honda XR400R 14781-HA0-770

NICHE 397cc Cylinder Head Kit for Honda TRX400 XR400R 14711-KCY-670

Sale price$119.95 USD Regular price$139.99 USD

Clutch Cable for zOTHER XR400R NICHE 519-CCB2544L

NICHE 519-CCB2544L Clutch Cable for zOTHER XR400R

NICHE Clutch Cable for Honda XR400R 22870-KCY-670 Motorcycle

Sale price$12.95 USD Regular price$16.99 USD

Piston Wristpin Kit for Honda XR400R TRX400 SporTrax 13111-KCY-670 13103-KCY-670 NICHE 519-KPS2236T

NICHE 519-KPS2236T Piston Wristpin Kit for Honda XR400R TRX400

NICHE Stock Piston Wristpin Kit for Honda Sportrax TRX400X 13101-KCY-670

Sale price$29.95 USD Regular price$35.99 USD

Cylinder Camshaft Piston Head for zOTHER Honda TRX400 SporTrax NICHE MK1012032

NICHE MK1012032 Cylinder Kit for zOTHER Honda TRX400 SporTrax

NICHE Wiseco Piston Cylinder Camshaft 10:1 Head Kit for Honda Sportrax

Sale price$499.95 USD Regular price$576.99 USD

Cylinder Head Base Gasket and O-Ring Kit for zOTHER Honda XR400R TRX400 SporTrax NICHE 519-KGS2237K

NICHE 519-KGS2237K Gasket Kit for zOTHER Honda XR400R TRX400 SporTrax

NICHE Cylinder Head Gasket O-Ring Kit for Honda XR400R 12251-HN1-003

Sale price$13.95 USD Regular price$17.99 USD

Big Bore Cylinder for Honda XR400R TRX400 SporTrax 12100-KCY-670 12100-HN1-A70 NICHE 519-CCY2235L

NICHE 519-CCY2235L Big Bore Cylinder for Honda XR400R TRX400 SporTrax

NICHE 440cc Big Bore Cylinder for Honda Sportrax XR400R TRX400 12100-KCY-670

Sale price$49.95 USD Regular price$58.99 USD

12 3…8

Page 1 / 8Next

Filters (0)

Filters

Bearings
Brake Kits
Brake Pads
Brake Rotors
Cables
Drive Chains
Drive Clutches
Drive Sprockets
Drive Sprockets Kits
Gear Shifter
Seals
Top End (Cylinder)
Top End (Gaskets)
Top End (Head)
Top End (Pistons)
Top End (Timing)
Top End (Valves)
Top End Hardware
Top End Kits
Wheel Bearings

In stock
Out of stock

$

-

$

Recently viewed

PartDiscounter.com has grown to become a leader in manufacturing and distributing quality as well as performance ATV & Outdoor Power Equipment parts online. We’re proud to be a small business that offers our customers highly competitive prices, lightning fast delivery, unmatched customer service and industry-leading warranties on every product we distribute. We have an outstanding team which includes engineering, manufacturing, customer service & fulfillment for our in-house brand of NICHE & 8TEN products.

Shipping Policy
Return Policy
Privacy Policy
Terms of Service

Contact Us
8TENParts Warranty
NICHE Industries Warranty
Become a Dealer

Country/region

Country/region

© 2024 Part Discounter

Follow Us

We Accept

© 2024 Part Discounter

Visit our partner sites

Opens in a new window.