Tempest UREM37BY Spark Plug

$41.25

Falcon Field Delivery/Pickup/SHIP

In stock

The Tempest UREM37BY is a resistor-type massive-electrode aviation spark plug designed for reliable ignition performance in Lycoming and Continental piston aircraft engines. Featuring Tempest’s projected-core “BY” design, the UREM37BY is engineered to better tolerate lead fouling conditions commonly encountered during extended taxiing, low-power operation, and frequent 100LL avgas use.

Built as a direct replacement for Champion REM37BY spark plugs, the Tempest UREM37BY combines durable massive-electrode construction with Tempest’s precision manufacturing and quality control standards. Its internal resistor helps reduce radio frequency interference with onboard avionics while maintaining dependable spark performance and long service life.

The projected-core design helps the plug continue firing under heavier lead deposit conditions, making it a popular option for aircraft operators looking to reduce fouled-plug maintenance events.

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Features:

  • Massive-electrode aviation spark plug design
  • Resistor-type construction reduces radio interference
  • Durable design for long service life
  • Commonly used in Lycoming and Continental aircraft engines
  • 18mm shielded aviation plug configuration

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Note: Spark plugs are shipped in factory sealed cases. Once the factory case is opened, the spark plug is not returnable.

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