Champion REM37BY Aircraft Spark Plug – P/N 21-40-010
The Champion REM37BY Aircraft Spark Plug is designed for use in compatible aircraft piston engines, providing reliable ignition performance for general aviation applications. This spark plug is suitable for aircraft engine maintenance and replacement where the REM37BY specification is required.
Product Details:
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Manufacturer: Champion
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Model: REM37BY
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Part Number: 21-40-010
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Electrode Gap: 0.016"–0.021"