<p>Description Warranty Information DIESEL RX GLOW PLUG SET fits 01-04 GM 6.6L LB7 Duramax Diesel ONLY DIESEL RX GLOW PLUGS ARE MADE IN THE USA! THEY GET HOTTER, FASTER FOR EASIER COLD STARTS Causes of glow plug failure: Leading Cause: Excessive voltage / glow plug overheating causing the casing to swell, split or burst which allows air to enter the coil area causing immediate failure Improper testing procedure (applying 12 volts directly to a glow plug designed to operate on 6 volts) Incorrect engine timing Improper fuel injector spray pattern Continual cycling of the glow plugs Signs that it's time to replace your glow plugs: Vehicle wont start Vehicle starts only after excessive cranking Excessive cranking can cause the engine oil to be diluted with fuel, which could adversely effect the life of the engine. Vehicle idles roughly after initial start-up Excessive exhaust emissions after initial start-up. 1 YEAR WARRANTY</p>
Description Warranty Information DIESEL RX GLOW PLUG SET fits 01-04 GM 6.6L LB7 Duramax Diesel ONLY DIESEL RX GLOW PLUGS ARE MADE IN THE USA! THEY GET HOTTER, FASTER FOR EASIER COLD STARTS Causes of glow plug failure: Leading Cause: Excessive voltage / glow plug overheating causing the casing to swell, split or burst which allows air to enter the coil area causing immediate failure Improper testing procedure (applying 12 volts directly to a glow plug designed to operate on 6 volts) Incorrect engine timing Improper fuel injector spray pattern Continual cycling of the glow plugs Signs that it’s time to replace your glow plugs: Vehicle wont start Vehicle starts only after excessive cranking Excessive cranking can cause the engine oil to be diluted with fuel, which could adversely effect the life of the engine. Vehicle idles roughly after initial start-up Excessive exhaust emissions after initial start-up. 1 YEAR WARRANTY
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