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12V 40A Normally Open Relay for Tractor Electrical Systems SKU: QT4556
When relays fail, your critical systems fail—cooling fans stop when you need them most, hydraulic pumps quit mid-task, and work lights go dark during extended hours. This 40-amp normally open relay restores reliable switching control for high-current electrical loads in your tractor and farm equipment.
Why This Relay Delivers
- 40-amp capacity handles demanding electrical loads without overheating
- Silver-alloy contacts resist arcing damage for extended electrical life
- 4-pin design fits standard relay sockets for quick replacement
- Built to withstand vibration, moisture, and temperature extremes
S&H Parts has been solving electrical problems on farms for over 55 years. If you need help confirming fitment for your specific application, give us a call.
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