Description: Ignition Rotor Assembly For Cummins Engines
Condition: New
Brand: Cummins®
Part Number: 0166-0842
An ignition rotor assembly is a component in the ignition system of an engine, typically found inside a distributor.
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The ignition coil creates high-voltage electricity.
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The voltage enters the rotor.
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The rotor spins inside the distributor.
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As it spins, it aligns with different terminals in the distributor cap.
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The electrical charge is sent through the appropriate spark-plug wire.
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The spark plug ignites the air/fuel mixture in that cylinder.
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Signs of Faulty
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Engine misfires — the engine may shake, stumble, or run unevenly.
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Hard starting — the engine takes longer to start or needs multiple attempts.
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Engine won't start — if the rotor is badly damaged, ignition voltage may not reach the spark plugs.
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Loss of power — especially when accelerating or under load.
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Rough idle — the engine may run inconsistently while stopped.
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Stalling — the engine may suddenly shut off.
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Poor fuel economy — incomplete combustion can increase fuel consumption.
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Backfiring — incorrect or inconsistent spark distribution can cause combustion at the wrong time.
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Check-engine light — on vehicles equipped to detect the resulting misfires.
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Visible damage — cracks, burning, corrosion, or excessive wear on the rotor's contact point.
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Manufacturer information
Cummins® is a worldwide leader in the production of engines, agricultural components, and other power-generating devices for various industries, including medium and heavy duty trucks, light commercial vehicles, buses, agriculture, and construction. Founded in 1919, this company stays true to its mission of making people's lives better by continuously improving its product line-up and introducing new solutions for a more prosperous world. Its core values—integrity, diversity and inclusion, excellence, caring, and teamwork—are what make it a successful company today—a worldwide leader with a network of more than 600 company-owned and independent distributors and almost 6,000 dealers in approximately 190 countries.
Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.
