Condition: Open Box (Item is in excellent, brand-new condition with unused potential, inspected and verified. Original packaging may show minor handling signs or be unsealed).

Upgrade or repair your heavy-duty engine system with this Genuine Cummins Oil Cooler (Part #4939924). Specifically engineered for high-performance diesel applications such as Cummins QSC 8.3L Tier 3 engines, this OEM oil cooler ensures optimal thermal management, preventing engine overheating and maintaining proper oil viscosity under heavy operating conditions.

Key Features:

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Genuine OEM Part: Manufactured to strict Cummins standards for precise fit, durability, and maximum cooling efficiency.

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Ideal Replacement: Direct-fit component designed for heavy-duty commercial, industrial, or marine engine applications.

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Thermal Regulation: Effectively regulates engine/transmission oil temperatures to protect critical internal components and extend engine life.

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Open Box Value: Get OEM reliability and performance at a fraction of the cost of a factory-sealed unit.

Applications & Compatibility:

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Primarily used on Cummins QSC 8.3L / Tier 3 diesel engines and compatible heavy-duty systems.

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Please verify part number 4939924 with your engine serial number (ESN) prior to purchase to ensure correct fitment.

Specifications & Measurements:

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Part Number: 4939924

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Condition: Open Box

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Item Weight: Approx. 26.2 lbs (Shipping weight approx. 28 lbs)

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Package Length: 18.125 inches

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Package Width: 13.375 inches

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Package Height: 7.0 inches

What is Included: 1x Genuine Cummins Oil Cooler (Model / Part No: 4939924) and 1x 3971072 OEM Cummins Flexible Hose

SHIPPING INFO: All orders will be shipped via the US Postal Service, FedEx or UPS.
Orders received before 3 p.m.
Eastern Time Monday through Friday (except holidays) will be processed the same day.

International buyers are responsible for all customs charges inclusive of any and all taxes and duties. Please be sure that the item that you are purchasing can be imported into your country. Shipper is not responsible for any delays once the package leaves our facility.

Orders received after 3 PM will be processed the next business day.
Our transportation partners do not process orders on the weekend. Therefore, if you place an order after 3 PM on Friday your order will be processed the following Monday.