Koden RADAR Magnetron Replacement – Marine Radar Maintenance by SEANAV
Marine radar systems play a vital role in ensuring the safety and navigation of vessels at sea. One of the most critical components in any radar is the magnetron, which generates the high-frequency signal that allows radar to detect other ships, landmasses, and obstacles. At SEANAV, we specialize in Koden RADAR magnetron replacement, ensuring your system remains operational and accurate.
Why Replace Your Koden RADAR Magnetron?
Magnetrons, like all high-frequency electronic components, have a limited lifespan. Over time, they can degrade, leading to weaker signals, reduced range, and ultimately, complete radar failure. Replacing a worn-out magnetron in your Koden radar system ensures your vessel continues to operate safely and effectively under all navigation conditions.

SEANAV – Expert in Marine Radar Service
- Authorized service and installation partner for Koden radar systems
- Skilled technicians for onboard and port-side magnetron replacement
- Original Koden magnetron parts in stock
- Rapid diagnostics and minimal downtime
- Worldwide support and service coverage
Common Signs Your Magnetron Needs Replacement
- Radar loses target detection range
- Intermittent radar signal or no signal
- Display shows ghost echoes or distorted targets
- Radar doesn’t transmit after warm-up

Frequently Asked Questions (FAQ)
1. What is a radar magnetron?
A magnetron is the component responsible for generating microwave pulses in marine radar systems.
2. How long does a Koden radar magnetron last?
Typically, 3,000 to 4,000 hours of operating time, depending on usage and environment.
3. What are the signs of a failing magnetron?
Reduced range, fuzzy targets, weak signals, or complete radar failure.
4. Can SEANAV replace Koden magnetrons onboard?
Yes, we offer onboard diagnostics and complete magnetron replacement globally.
5. Is magnetron replacement cost-effective?
Yes, it extends the radar’s life significantly without needing full system replacement.
6. Are original Koden parts used?
Yes, SEANAV only uses original Koden magnetrons for all replacements.
7. How long does replacement take?
Most replacements are completed within 2–4 hours by our trained technicians.
8. Is calibration required after replacement?
Yes, calibration ensures optimal radar performance after a new magnetron is installed.
9. Do you offer warranty on magnetron replacements?
Yes, we offer warranty on both parts and labor.
10. Can old magnetrons damage the radar?
Yes, weak or failing magnetrons can cause signal distortion or damage to other radar components.
11. Do you provide Koden radar inspections?
Absolutely. We offer full radar inspections, including magnetron diagnostics and testing.

Ensure your radar is fully functional with a magnetron that delivers strong, consistent signals. Trust SEANAV for professional Koden RADAR magnetron replacement, system diagnostics, and expert marine electronics support. Reach out today to schedule service or request a quote.
Also explore our Navigation Radar Installation and Calibration Services to keep your marine systems in peak condition.