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Cummins ISC, QSC, and 6CTA 8.3L Parts

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Cummins 8.3 Engine Parts

The Cummins C Series was introduced in 1985 with the 6C 8.3 liter engine. More durable that other models, this inline, 6-cylinder, medium-heavy duty engine was designed to last 150,000 miles between overhauls.

As Cummins started implementing electronic controls for its engines, the ISC (Interact System) started production in 1998, followed by the QSC (Quantum System) later on.

Cummins C Series diesel engines are used in various industrial, agricultural, and automotive applications.


Find Cummins C Series Parts



We carry a large assortment of aftermarket, genuine, and remanufactured parts for 6CTA, ISC, and QSC 8.3 liter diesel engines.

For more information on C Series engines, please visit our Cummins engine specifications page.

Need Assistance?



If you need help selecting the right Cummins part for your needs, please use our quote request form. Provide as much information as you can about the parts you require and our knowledgeable staff will promptly answer your request.

You may also call us at 855.470.3525 to inquire about current pricing and availability of our products.

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Hundreds Of Items Guaranteed in Stock
Hundreds Of Items Guaranteed in Stock Click here for details
Great Selection of Block Heaters and Glow Plugs

GREAT SELECTION OF BLOCK HEATERS AND GLOW PLUGS

Everyday Free Ground Shipping on Select Overhaul Kits and Turbos
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