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

Dirt Bike Engine Parts

Applied Refinements
Fitment Category Brand
Color
Fast Cash Discount
Refine

170 Results

New

K&N
Cartridge Oil Filter

$7.77 - $13.99
4.5 out of 5 stars (140) reviews

FilGuard
Premium Oil Filter

$5.99 - $6.99
Sale
Up to 20%
5 out of 5 stars (51) reviews

Vertex
Exhaust Gasket Kit

$4.87 - $27.55
Sale
Up to 10%
4 out of 5 stars (8) reviews

Vertex
Top End Gasket Kit

$5.99 - $96.99
Sale
Up to 10%
5 out of 5 stars (15) reviews

Vertex
Inner Clutch Cover Gasket

$5.80 - $33.19
Sale
Up to 10%
4 out of 5 stars (8) reviews

Vertex
Oil Seal Kit

$4.99 - $50.45
Sale
Up to 10%
5 out of 5 stars (2) reviews
New

Boyesen
Clutch Cover Gasket

$6.60 - $7.13
Sale
Up to 5%
4 out of 5 stars (14) reviews
New

Cometic
Top End Gasket Kit

$11.77 - $189.95
4 out of 5 stars (246) reviews

All Balls
Counter Shaft Seal Kit

$17.83 - $31.65
Sale
Up to 10%
4.5 out of 5 stars (67) reviews
Video Available

Vertex
Outer Clutch Cover Gasket

$3.72 - $19.04
Sale
Up to 10%
5 out of 5 stars (4) reviews

Vertex
Complete Gasket Kit

$15.15 - $153.86
Sale
Up to 10%
5 out of 5 stars (7) reviews

Vertex
Ignition Cover Gasket

$3.51 - $17.24
Sale
Up to 10%

EBC
CK Clutch Kit

$4.77 - $212.43
Sale
Up to 5%
4.5 out of 5 stars (28) reviews

NGK
Spark Plug

$0.77 - $21.56
Sale
Up to 10%
5 out of 5 stars (23) reviews
New

Pro X
Top End Gasket Kit

$15.20 - $112.57
Sale
Up to 10%
5 out of 5 stars (1) review

HOTCAMS
Cam Chain

$10.12 - $76.76
Sale
Up to 20%
5 out of 5 stars (17) reviews
Video Available

Twin Air
Oil Filter

$6.77 - $13.95
5 out of 5 stars (11) reviews

Wiseco
Replacement Piston Ring Set

$19.42 - $108.08
Sale
Up to 37%
3.5 out of 5 stars (21) reviews

All Balls
Carburetor Mid Body Gasket Kit

$14.99 - $23.25
Sale
Up to 10%
4.5 out of 5 stars (5) reviews
Colors for ZETA Oil Filler Plug

ZETA
Oil Filler Plug

$12.95
5 out of 5 stars (3) reviews

Athena
Gasket Kit - Complete

$0.77 - $456.99
Sale
Up to 10%
4 out of 5 stars (106) reviews

All Balls
Crank Shaft Seal Kit

$17.68 - $31.79
Sale
Up to 10%
5 out of 5 stars (6) reviews

EBC
Clutch Springs

$0.77 - $59.27
Sale
Up to 5%
4 out of 5 stars (10) reviews

BikeMaster
Steel Magnetic Oil Drain Plug

$6.26 - $8.06
Sale
Up to 10%
3 out of 5 stars (39) reviews

Electrosport
Stator

$8.77 - $215.10
Sale
Up to 10%
3 out of 5 stars (18) reviews

HOT RODS
Countershaft Seal Kit

$5.99 - $29.66
Sale
Up to 10%
5 out of 5 stars (5) reviews

Vesrah Racing
Oil Filter

$5.36 - $9.86
Sale
Up to 10%
4 out of 5 stars (3) reviews

Boyesen
Rad Valve Boot

$7.55 - $18.95
Sale
Up to 5%
5 out of 5 stars (1) review

HOT RODS
Needle Bearing

$13.37 - $16.52
Sale
Up to 10%
4.5 out of 5 stars (11) reviews

Polisport
Radiator Louver Mesh

$10.99 - $11.99
Sale
Up to 22%
4.5 out of 5 stars (7) reviews

All Balls
Float Bowl Gasket

$8.84 - $9.42
Sale
Up to 10%

BikeMaster
Oil Filter

$3.14 - $9.14
Sale
Up to 10%
4.5 out of 5 stars (28) reviews
Colors for Factory Effex Fuel Adjustment Screw

Factory Effex
Fuel Adjustment Screw

$18.99
Sale
Save 13%
5 out of 5 stars (3) reviews

Moose
Clutch Cover Gasket

$4.95 - $16.95
4.5 out of 5 stars (8) reviews

Pro X
Piston Pin Needle Bearing

$8.95 - $22.58
Sale
Up to 10%

Works Connection
Maintenance-Hour-Tach Mount Bracket

$16.95
3.5 out of 5 stars (8) reviews

Boyesen
Rad Valve Replacement Gasket

$5.65 - $5.99
4 out of 5 stars (3) reviews
Colors for Polisport Ignition Cover Protector
+8 more

Polisport
Ignition Cover Protector

$15.77 - $27.99
Sale
Up to 16%
4 out of 5 stars (13) reviews
Video Available

Electrosport
Regulator/Rectifier

$1.77 - $125.10
Sale
Up to 10%
3.5 out of 5 stars (14) reviews

Hinson
Oil Filler Cap

$19.99
5 out of 5 stars (1) review

Boyesen
Ignition Cover Gasket

$5.65 - $5.99
Sale
Up to 5%
4.5 out of 5 stars (4) reviews

All Balls
Extended Fuel Mixture Screw

$10.65
Sale
Save 10%
2.5 out of 5 stars (2) reviews

Pro X
Crankshaft Bearing

$15.62 - $24.16
Clearance
Up to 21%
4.5 out of 5 stars (8) reviews

All Balls
Air Cut off Valve Kit

$19.85 - $23.42
Sale
Up to 10%
1 out of 5 stars (1) review

All Balls
Choke Plunger Kit

$14.27 - $39.99
Sale
Up to 10%

Athena
Top End Gasket Kit

$10.99 - $315.99
Sale
Up to 9%
4.5 out of 5 stars (3) reviews
New
Colors for Works Connection Engine Timing Plugs
+2 more

Works Connection
Engine Timing Plugs

$17.77 - $54.95
4 out of 5 stars (14) reviews
Video Available
Colors for ZETA Magnetic Drain Plug

ZETA
Magnetic Drain Plug

$8.95
1 out of 5 stars (1) review
Colors for ZETA Engine Plugs

ZETA
Engine Plugs

$15.95 - $30.95
5 out of 5 stars (1) review
New
Colors for Works Connection Radiator Plug

Works Connection
Radiator Plug

$19.95 - $22.95
5 out of 5 stars (1) review

Wiseco
Clutch Cover Gasket

$8.41 - $26.32
Sale
Up to 19%
1.5 out of 5 stars (8) reviews

Wiseco
Bottom End Gasket Kit

$18.49 - $161.08
Sale
Up to 20%
5 out of 5 stars (4) reviews

Wiseco
Wrist Pin

$19.01
Sale
Save 14%
5 out of 5 stars (2) reviews

Wiseco
Stainless Steel Intake Valve

$16.11 - $37.23
Sale
Up to 13%
5 out of 5 stars (2) reviews

Vesrah Racing
Complete Gasket Kit

$19.76 - $302.36
Sale
Up to 10%

Vertex
Piston Circlip

$2.30
Sale
Save 6%
Colors for Turner Performance Products Oil Fill Plug

Turner Performance Products
Oil Fill Plug

$16.99
Sale
Save 20%
4 out of 5 stars (4) reviews
Colors for Samco Sport Radiator Hose Kit
+2 more

Samco Sport
Radiator Hose Kit

$19.77 - $626.36
Sale
Up to 10%
5 out of 5 stars (2) reviews

Dirt Bike Engine

Staying on top of general maintenance goes a long way towards the life of your 2-stroke or 4-stroke dirt bike engine. Eventually though, dirt bike engine parts break down, seize up and need replacing. MotoSport carries what you need for the simple jobs like oil changes or the major overhauls like a complete engine rebuild or replacing the clutch on your dirt bike. So, don't let a slipping clutch or blown motor ruin your planned ride day. We stock the top names in aftermarket dirt bike engine parts or stick with the proven performance of OEM. We carry a full line of dirt bike engine parts so you can grab everything you need right here. Replace the blown motor with a piston kit from Wiseco, Vertex or Wrench Rabbit among other popular brands. Smashed radiator? We'll get you back riding in no time. First things first, extend the life of the motor by keeping up on oil and filter changes. We've got gaskets to take care of that eventual leak, too. Find all the necessary dirt bike engine parts you need at MotoSport. If you need help finding a specific engine part for your dirt bike or have a question on upgrades, or using aftermarket verses OEM dirt bike engine parts, give one of our gearheads a call at 1-888-676-8853 who can help answer any questions, provide advice and even some instructions on installation.