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Dorman Inline Spark Checkers

3.67 out of 5 stars 3 Customer Reviews

These Dorman inline spark checkers are designed to check for bad spark plugs and weak spark plug wires. The frequency and intensity of light indicate the spark condition, letting you know if there's a problem.

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Dorman Inline Spark Checkers 86579

Tester, In-Line Spark Checker, Each

Part Number: RNB-86579

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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