Parts Cross-Reference Guide
Engine Components
Piston Kits
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Notes |
| Piston Kit (A) |
55430007100 |
55430007100 |
Vertex 24389A |
71.94mm Standard |
| Piston Kit (B) |
55530007100 |
55530007100 |
Vertex 24389B |
71.95mm Standard |
| Piston Kit (C) |
55630007100 |
55630007100 |
Vertex 24389C |
71.96mm Standard |
| Piston Kit (D) |
55730007100 |
55730007100 |
Vertex 24389D |
71.97mm Standard |
| Ring Set |
55430008000 |
55430008000 |
Wiseco 2874CS |
72mm, single ring |
| Wrist Pin |
55430046000 |
55430046000 |
Wiseco B1029 |
18mm diameter |
| Circlips |
0770180020 |
0770180020 |
Prox 19.180020 |
18mm, set of 2 |
Top End Gaskets
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Years |
| Head Gasket |
55430034000 |
55430034000 |
Cometic C7898 |
2019-2025 |
| Base Gasket |
55430035000 |
55430035000 |
Athena S410270006142 |
2019-2025 |
| Exhaust Gasket |
54605046000 |
54605046000 |
FMF 011318 |
All years |
| Power Valve Cover |
55430060100 |
55430060100 |
Athena S410270015010 |
2019+ |
| Reed Gasket |
54630035000 |
54630035000 |
Boyesen RG-22 |
2019-2025 |
Reed Valves
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Performance |
| Reed Petals |
54630040000 |
54630040000 |
Boyesen 665 |
Stock stiffness |
| Reed Block |
54630051100 |
54630051100 |
VForce 4R V4R04 |
+5hp gain |
| Reed Stops |
54630041000 |
54630041000 |
Moto Tassinari MT01-065 |
Carbon fiber |
Clutch Components
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Quantity |
| Friction Plates |
54831141144 |
54831141144 |
Barnett 307-90-20012 |
9 plates |
| Steel Plates |
54832041110 |
54832041110 |
Wiseco CPK033 |
8 plates |
| Springs |
54837051000 |
54837051000 |
Barnett 501-51-06086 |
6 springs |
| Inner Hub |
55432001144 |
55432001144 |
Hinson H391 |
Billet option |
| Outer Basket |
55432000244 |
55432000244 |
Hinson H055 |
Billet option |
| Pressure Plate |
54832020044 |
54832020044 |
Wiseco CPK032 |
Stock replacement |
Suspension Parts
Fork Seals & Bushings
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Size |
| Fork Seals |
79430595100 |
79430595100 |
SKF KITB-48W |
48mm WP XACT |
| Dust Seals |
79430596000 |
79430596000 |
All Balls 57-107 |
48mm |
| Inner Bushings |
79430599200 |
79430599200 |
Pivot Works PWFFK-T11-000 |
Teflon coated |
| Outer Bushings |
79430599100 |
79430599100 |
SKF WP48 |
OEM quality |
Shock Parts
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Application |
| Shock Seal Head |
79430563200 |
79430563200 |
All Balls 37-1126 |
18mm shaft |
| Shock Bearing |
77810565000 |
77810565000 |
Pivot Works PWSHK-T03-421 |
Lower mount |
| Linkage Bearings |
77810560000 |
77810560000 |
All Balls 27-1173 |
Complete kit |
| Shock Spring |
79410592548 |
79410592548 |
Race Tech SRSP 652548 |
48 N/mm rate |
Electrical Components
Ignition System
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Notes |
| CDI Unit |
55439074000 |
55439074000 |
N/A |
2019-2022 |
| CDI Unit |
55439074100 |
55439074100 |
N/A |
2023-2025 TBI |
| Stator |
55439004000 |
55439004000 |
Rick’s 21-415 |
2019-2022 |
| Stator |
55439004100 |
55439004100 |
N/A |
2023+ TBI |
| Voltage Regulator |
78111041000 |
78111041000 |
Trail Tech 7004-RR150 |
All years |
| Spark Plug Cap |
58430030100 |
58430030100 |
NGK TB05EMA |
Resistor type |
Lighting
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Upgrade |
| Headlight |
7800807900030 |
A54010001033 |
Trail Tech X2 |
35W LED |
| Tail Light |
7800807900130 |
A54010001133 |
Baja Designs 607093 |
LED upgrade |
| Turn Signals |
69011049100 |
26011071100 |
DRC D45-18-411 |
LED mini |
Brake Components
Front Brake
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Compound |
| Brake Pads |
54813090100 |
54813090100 |
EBC FA181X |
Extreme |
| Brake Disc |
54809305000 |
54809305000 |
Galfer DF680CW |
Wave design |
| Master Cylinder |
54813004144 |
26013050144 |
Brembo 13mm |
Upgrade |
| Brake Hose |
54813012200 |
54813012200 |
Venhill KT1003FS |
Steel braided |
Rear Brake
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Notes |
| Brake Pads |
54815090100 |
54815090100 |
EBC FA131X |
Extreme |
| Brake Disc |
54810406000 |
54810406000 |
Galfer DF062W |
240mm |
| Brake Pedal |
54813061044 |
26013061044 |
Hammerhead 11-0301 |
Billet |
| Pedal Spring |
54813053000 |
54813053000 |
N/A |
Return spring |
Air Filter & Intake
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
Type |
| Air Filter |
79006015100 |
79006015100 |
Twin Air 154215FR |
Fire resistant |
| Pre-Filter |
N/A |
N/A |
Twin Air 156061P |
Dusty conditions |
| Filter Cage |
77306015000 |
77306015000 |
N/A |
Support cage |
| Airbox Seal |
77506021000 |
77506021000 |
N/A |
Filter to box |
Chain & Sprockets
Sprocket Options
| Part |
Stock Size |
Part Number |
Alternative Sizes |
| Front Sprocket |
13T |
7771013013004 |
12T, 14T available |
| Rear Sprocket |
50T |
5841005105004 |
48T-52T available |
| Chain 520 |
118 Links |
78010165118 |
Regina 520 ORN6 |
Common Gearing Setups
| Terrain |
Front |
Rear |
Notes |
| Technical |
12T |
52T |
Maximum torque |
| Balanced |
13T |
50T |
Stock setup |
| Desert |
14T |
48T |
Higher speed |
| Extreme |
12T |
50T |
Best for rocks |
Fuel System
Carbureted Models (2019-2022)
| Part |
KTM Part # |
Husky Part # |
Size/Type |
| Main Jet |
54731139175 |
54731139175 |
#175 stock |
| Pilot Jet |
54731131040 |
54731131040 |
#40 stock |
| Needle |
54731161DNR |
54731161DNR |
N8RJ stock |
| Float |
54731008000 |
54731008000 |
16mm height |
| Float Valve |
54731120200 |
54731120200 |
2.0 size |
TBI Models (2023+)
| Part |
KTM Part # |
Husky Part # |
Notes |
| Fuel Injector |
55441080100 |
55441080100 |
12-hole design |
| Fuel Pump |
79007088200 |
79007088200 |
In-tank unit |
| TPS Sensor |
55441074000 |
55441074000 |
Throttle position |
| Fuel Filter |
79007088300 |
79007088300 |
In-tank sock |
Plastics & Graphics
Body Parts Compatibility
| Part |
2019-2022 |
2023-2025 |
Interchangeable |
| Front Fender |
Yes |
Yes |
All years fit |
| Rear Fender |
Yes |
Modified |
Mounting different |
| Radiator Shrouds |
Specific |
Specific |
Not compatible |
| Side Panels |
Yes |
Yes |
All years fit |
| Fork Guards |
Yes |
Yes |
Universal fit |
Bearings Reference
Wheel Bearings
| Location |
Size |
KTM/Husky # |
SKF # |
All Balls # |
| Front Wheel (2) |
25x47x12 |
0025470125 |
6005-2RS |
25-1519 |
| Rear Wheel (2) |
25x52x15 |
0025520155 |
6205-2RS |
25-1520 |
| Front Spacers |
Various |
78110453000 |
N/A |
Included in kit |
Steering Bearings
| Part |
KTM Part # |
Husky Part # |
Aftermarket |
| Upper Bearing |
0047040227 |
0047040227 |
All Balls 22-1031 |
| Lower Bearing |
0047050287 |
0047050287 |
All Balls 22-1031 |
| Complete Kit |
N/A |
N/A |
Pivot Works PWSSK-T06-421 |
Maintenance Items
Fluids & Capacity
| Fluid |
Type |
Capacity |
Part Number |
| Engine Oil |
Motorex 10W-50 |
1000ml |
78029035100 |
| Fork Oil |
WP SAE 5 |
580ml per leg |
79412955058 |
| Coolant |
Engine Ice |
1200ml |
81512903000 |
| Brake Fluid |
DOT 5.1 |
As needed |
61013090100 |
Service Parts
| Item |
Interval |
KTM # |
Aftermarket |
| Oil Filter Screen |
30 hours |
77338016100 |
N/A |
| Transmission Oil |
15 hours |
10W-50 |
Motorex |
| Spark Plug |
30 hours |
58431093827 |
NGK BR8ES |
| Air Filter |
3-5 hours |
79006015100 |
Twin Air |
Year-Specific Changes
2019-2020
- Mikuni TMX carburetor
- 6-speed wide-ratio transmission
- Mechanical power valve
2021-2022
- Updated CDI mapping
- Revised suspension valving
- Stronger clutch springs
2023-2025
- TBI fuel injection
- New stator design
- Updated frame geometry
- Revised airbox
Aftermarket Upgrades
| Upgrade |
Brand |
Part # |
Benefit |
| Pipe |
FMF Gnarly |
025224 |
Low-end power |
| Silencer |
FMF Turbinecore 2.1 |
025231 |
Less restriction |
| Power Valve Cover |
Boyesen |
BPC-22 |
Quick access |
| Radiator Guards |
AXP Racing |
AX1568 |
Protection |
| Skid Plate |
P3 Carbon |
KT-301-BK |
Lightweight |
This cross-reference guide covers the most commonly needed parts for KTM 300 XC-W and Husqvarna TE 300 models from 2019-2025. Always verify part numbers with your specific model year before ordering.