Description

Oil Cooler for Caterpillar 3406E / C15 / C16 / C18 Engines

High-quality Oil Cooler designed for Caterpillar 3406, C15, and C16 diesel engines. Engineered as a direct-fit replacement for OEM part number 7C3039, this oil cooler maintains proper engine oil temperature, helping to prevent overheating and extend component life in heavy-duty applications.

Built to match or exceed original specifications, this engine oil cooler features high-efficiency cooling fins and a durable core that withstands extreme working conditions. Whether you’re performing a full engine rebuild or routine maintenance, this cooler is a critical component to keep your CAT engine running strong under load.

Key Features:

• Direct Replacement for Caterpillar OE#0R5511, 0R5601, 0R9056, 133-0125, 1330125, 299-1996, 2991996, 2W1008, 2Y8928, 4N0619, 4W6039, 6N0169, 6N8856, 7C3039, 7W2164

• Compatible with Caterpillar 3406, 3406B, 3406C, 3406E, C15, and C16 engines

• Heavy-duty construction ensures efficient heat transfer and extended service life

• Corrosion-resistant materials for long-term reliability

• Helps maintain optimal oil viscosity and reduce wear on internal components

Why Replace Your Oil Cooler?

Over time, oil coolers can become clogged or corroded, restricting flow and reducing heat exchange efficiency. A failing cooler can cause elevated oil temperatures, leading to engine wear or failure. Replacing it with a durable, high-performance aftermarket cooler ensures your engine operates at peak efficiency and remains protected under heavy workloads.