Parts Compatibility Guide
Brand Interchangeability Overview
100% Interchangeable Parts
KTM 300 XC-W and Husqvarna TE 300 share the same:
- Engine (complete)
- Transmission
- Clutch assembly
- Suspension internals
- Brake systems
- Electrical components
- Wheels and hubs
Brand-Specific Parts
Different between KTM and Husqvarna:
- Plastics and graphics
- Handlebars
- Seats and covers
- Radiator shrouds
- Airbox covers
- Fork guards (color)
- Brake/clutch lever colors
Year-to-Year Compatibility
2019-2022 Compatibility Matrix
| Component | 2019 | 2020 | 2021 | 2022 | Notes |
|---|---|---|---|---|---|
| Engine | ✓ | ✓ | ✓ | ✓ | All parts interchange |
| Frame | ✓ | ✓ | ✓ | ✓ | Identical geometry |
| Suspension | ✓ | ✓ | ✓* | ✓* | *Updated valving only |
| Exhaust | ✓ | ✓ | ✓ | ✓ | Same mounting |
| Plastics | ✓ | ✓ | ✓ | ✓ | All cross-compatible |
| Electronics | ✓ | ✓ | ✓ | ✓ | Same CDI/stator |
| Fuel System | ✓ | ✓ | ✓ | ✓ | Mikuni TMX carb |
2023-2025 TBI Model Changes
| Component | 2023 | 2024 | 2025 | Backward Compatible |
|---|---|---|---|---|
| Engine | ✓ | ✓ | ✓ | Cases/internals only |
| Frame | New | ✓ | ✓ | Not with 2019-2022 |
| Fuel System | TBI | TBI | TBI | Not with carb models |
| Electronics | New | ✓ | ✓ | Not with 2019-2022 |
| Airbox | New | ✓ | ✓ | Not with 2019-2022 |
| Plastics | New | ✓ | ✓ | Different mounting |
| Exhaust | ✓ | ✓ | ✓ | Fits all years |
Engine Parts Compatibility
Bottom End Components
Crankshaft Assembly
- 2019-2025: Same part number
- KTM/Husky: 55430025100
- Includes: Rod, bearings, pin
- Stroke: 72mm all years
Cases
- 2019-2022: 55430000144
- 2023-2025: 55430000244
- Not interchangeable between groups
Transmission
- All years: 6-speed wide-ratio
- All gears interchange 2019-2025
- Same shift forks and drum
Top End Components
Cylinder
- 2019-2025: 55430020100
- Nikasil plated, 72mm bore
- Power valve included
- All years compatible
Power Valve System
- 2019-2022: Mechanical
- 2023-2025: Mechanical (same)
- All parts interchange
Piston Kits
- Same dimensions all years
- 71.94-71.97mm (A-D sizes)
- Single ring design
Suspension Compatibility
Fork Components
WP XACT 48mm
- Springs: All years compatible
- Cartridges: 2019-2025 same
- Seals/bushings: Universal
- Valving: Year-specific specs
External Parts
- Triple clamps: All years fit
- Fork guards: Universal
- Axle: 26mm all years
- Wheel spacers: Same
Shock Components
WP XACT Shock
- Body: 2019-2025 identical
- Shaft: 18mm all years
- Springs: All compatible
- Linkage: Same ratios
Mounting
- Upper mount: Same all years
- Lower mount: Same all years
- Linkage bearings: Universal
Electrical System Compatibility
Ignition Components
2019-2022 Carbureted
Stator: 55439004000
CDI: 55439074000
Coil: 55431085000
Compatible within group only
2023-2025 TBI
Stator: 55439004100
ECU: 55439074100
Coil: 55431085000 (same)
Not backward compatible
Lighting Systems
All Years Compatible:
- Headlight mounting
- Tail light mounting
- Turn signal connections
- Horn (if equipped)
- Switches (bars)
Fuel System Compatibility
Carbureted Models (2019-2022)
Mikuni TMX 38mm
- Complete carb interchanges
- All jets compatible
- Same cable pull
- Intake boot identical
Fuel Tank
- 2019-2022: 9.0L capacity
- Petcock: Same all years
- Cap: Threaded type
- Venting: Same routing
TBI Models (2023-2025)
Throttle Body
- 39mm Keihin unit
- Not compatible with carb
- Requires different tank
- ECU controlled
Fuel System
- In-tank pump
- Higher pressure system
- Different fuel lines
- Not backward compatible
Brake System Compatibility
Front Brake
All Years Use:
- Brembo caliper
- 260mm disc
- Same master cylinder
- DOT 5.1 fluid
Interchangeable Parts:
- Pads: All years
- Disc: All years
- Lever: All years
- Hose: All years
Rear Brake
All Years Use:
- Brembo caliper
- 220mm disc
- Same pedal design
- Spring return
Compatibility:
- Complete system swaps
- All parts interchange
- Same mounting points
Wheels and Tires
Wheel Specifications
Front Wheel
- 21” all years
- 26mm axle
- Same hub design
- Spoke pattern identical
Rear Wheel
- 18” all years
- 20mm axle
- Same hub width
- Chain alignment same
Tire Compatibility
All Years Fit:
- 90/90-21 front
- 110/100-18 rear (stock)
- 120/90-18 rear (option)
- Same rim locks
Plastics Interchangeability
Within Year Groups
2019-2022 Plastics
- All colors/brands swap
- Same mounting points
- Radiator shrouds vary by brand
- Number plates universal
2023-2025 Plastics
- New mounting system
- Not compatible with older
- All colors within group swap
- Updated airbox cover
Aftermarket Options
Universal Fit:
- Acerbis full kits
- Polisport replacements
- UFO plastic sets
- Cycra powerflow kits
Common Swaps and Upgrades
Popular Cross-Compatible Upgrades
Handlebars
- KTM: Neken 999
- Husky: ProTaper 997
- Both fit either bike
- Same control perches
Footpegs
- Larger platform types
- All brands compatible
- Same mounting width
- Spring pins identical
Exhaust Systems
- FMF: All years fit
- Pro Circuit: Universal
- Akrapovic: Year-specific
- Header pipe same
Performance Parts
Air Filters
- Twin Air: All years
- 2019-2022: Part 154215
- 2023-2025: Part 154216FR
- Different cage design
Clutch Upgrades
- Rekluse: Year-specific
- Hinson: All years fit
- Barnett: Universal
- Same stack height
What Doesn’t Interchange
Frame-Specific Items
2019-2022 vs 2023-2025:
- Radiators (different tabs)
- Fuel tanks (TBI vs carb)
- Airbox assembly
- CDI mounting bracket
- Battery tray (if equipped)
Model-Specific Parts
KTM vs Husqvarna:
- Seat (shape/color)
- Graphics kits
- Handlebar (bend)
- Lever colors
- Fork guard decals
Parts Sourcing Tips
Best Compatibility Years
Maximum Parts Availability:
- 2020-2022 models
- Most aftermarket support
- Proven reliability
- Parts still in production
TBI Considerations:
- Newer technology
- Limited used parts
- Dealer-only items
- Higher part costs
Cross-Shopping Strategy
Order of Search:
- Your exact year/model
- Same year group
- Other brand same year
- Aftermarket options
- Universal fit parts
Warranty Considerations
OEM Parts Usage
Same Brand Swap: No warranty impact Cross-Brand Swap: May void warranty Aftermarket Parts: Check dealer policy Used Parts: No warranty coverage
Summary Quick Reference
Always Compatible (2019-2025)
- Engine internals
- Brake components
- Suspension internals
- Wheels and hubs
- Chain and sprockets
- Exhaust systems
Year-Group Specific
- Plastics and graphics
- Fuel systems
- Electronics
- Frame components
- Airbox assemblies
Brand-Specific Only
- Seats
- Handlebars
- Color schemes
- Graphics
- Minor accessories
This guide ensures you can confidently source parts for your KTM 300 XC-W or Husqvarna TE 300, knowing exactly what will fit across years and brands.