Description
Marathon Exciter Stator 789486-0V | Genuine OEM | In stock
The Marathon Exciter Stator 789486-0V is a new, genuine OEM replacement component from Marathon Electric, engineered to provide dependable excitation performance in brushless synchronous generators. This exciter stator is essential to proper voltage build-up and regulation, supplying controlled DC excitation to the rotating exciter system and supporting stable generator output across changing load conditions.
Supplied brand new and unused, this original Marathon Electric exciter stator is produced to strict factory specifications for dimensional accuracy, insulation quality, and electrical characteristics. Choosing an OEM exciter stator helps reduce the risk of voltage fluctuations, excitation loss, excessive heat, and premature alternator damage that can occur with non-genuine or rebuilt alternatives.
This exciter stator is commonly used on Marathon MagnaPLUS generators with 430 frame sizes. If you are uncertain whether this part matches your specific generator model or serial number, please contact us before ordering so our technical team can assist with verification.
📦 In stock and ready to ship from Joval Industrial.
Key Features & Benefits
- Brand new, original Marathon Electric OEM component
- Designed for brushless generator excitation systems
- Factory-wound exciter stator for reliable voltage build-up
- Supports proper AVR function and excitation stability
- Suitable for industrial, standby, and prime power applications
- Manufactured to Marathon Electric electrical and insulation standards
General Facts About Exciter Stators
- The exciter stator is the stationary field component in a brushless alternator
- It energizes the exciter rotor, which is rectified and supplies current to the main rotor
- Residual magnetism allows initial voltage build-up without external field flashing
- Deterioration or failure can cause low voltage, unstable output, or complete loss of power
- Correct resistance and insulation values are critical for long-term generator performance
Common Applications
- Marathon Electric MagnaPLUS generators
- 430 frame size generator ends
- Industrial, standby, and prime power generator systems
⚠️ Important Note: This exciter stator is commonly used on Marathon MagnaPLUS 430 frames, but generator configurations can vary. Always confirm compatibility using your generator model and serial number or contact Joval Industrial before ordering.
Frequently Asked Questions (FAQ)
Is this a genuine Marathon Electric part?
Yes. The 789486-0V is a brand-new, original OEM Marathon Electric exciter stator, not aftermarket or refurbished.
Is this item in stock?
Yes. This exciter stator is currently in stock and available for immediate shipment.
What are the symptoms of a failed exciter stator?
Common symptoms include low or unstable voltage, loss of excitation, or no generator output. Replacing the exciter stator with the correct OEM part restores proper operation.
Will this fit all Marathon generators?
No. This part is typically used on MagnaPLUS 430 frame generators, but exact compatibility depends on the specific model and serial number. Please contact us if you are unsure.
Who should install this exciter stator?
Installation should be completed by qualified generator service technicians in accordance with Marathon Electric service and safety guidelines.
Why Buy from Joval Industrial?
Joval Industrial specializes in OEM generator components and application support. We help customers avoid incorrect orders by verifying fitment in advance and providing dependable, in-stock solutions for critical generator parts.
📞 Need help confirming fitment?
Call us at 1-877-335-6825 or contact our team before ordering.
CORRESPONDING, ASSOCIATED & OBSOLETE PART NUMBERS
- 789486-0V
- JV86-0A
