Buy 5566893 - Genuine Cummins EGR Cooler for ISB 6.7 - wisentpartscenter.com

Description

The Genuine Cummins EGR Cooler is an exhaust gas recirculation heat exchanger for Cummins ISB 6.7L diesel engines. It uses engine coolant to reduce exhaust gas temperatures before recirculation into the intake system. This helps lower combustion temperatures, reduce nitrogen oxide (NOx) emissions, and maintain proper EGR system operation.

Fitment & Specifications

- Brand: Cummins
- Part Type: EGR Cooler
- Engine: Cummins ISB 6.7L
- Displacement: 6.7L
- Applications: Select 2011–2018 ISB 6.7L commercial engines and Ram 6.7L cab-and-chassis applications
- Cooling Type: Engine coolant-cooled exhaust gas heat exchanger
- System: Exhaust Gas Recirculation (EGR)

Verify fitment with us before ordering to ensure the correct part for your application.

Purpose of the Part

The Cummins EGR Cooler transfers heat from recirculated exhaust gases to the engine coolant. Cooler exhaust gases help reduce peak combustion temperatures and NOx formation. Proper operation also prevents excessive exhaust heat from entering the intake system and maintains the EGR system's intended operating conditions.

Issue Symptoms / When to Replace

A leaking or restricted EGR cooler may cause:

- Unexplained engine coolant loss.
- White exhaust smoke or steam.
- Coolant entering the EGR or exhaust passages.
- Engine overheating or cooling-system pressure problems.
- Check Engine light or EGR-related fault codes.
- Reduced engine performance from restricted EGR flow.
- External coolant leaks around the cooler.

Similar symptoms can result from damaged coolant lines, head gasket problems, restricted EGR passages, or faulty sensors.

Brand Information

Cummins manufactures diesel engines and emissions-control components for commercial vehicles and industrial equipment. Its ISB 6.7L engines use cooled exhaust gas recirculation to help control NOx emissions. Genuine Cummins EGR coolers are manufactured to the specifications of the corresponding engine and aftertreatment configuration.

Installation Notes

Before installing the EGR Cooler, inspect the cooling system and EGR passages for contamination or restrictions. Replace required gaskets and seals, refill and bleed the cooling system, and check for coolant and exhaust leaks. Verify the original cooler's flange configuration before installation.

How to Identify an OEM Part

Identify the Genuine Cummins EGR Cooler by its factory identification markings and OEM part number.

Why Buy 5566765 From Wisent Parts Center?

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Warranty & Return Information
Warranty Information

Wisent Parts offers a 1-year warranty on all parts from the date of delivery. This warranty covers orders placed directly through our website. If a part fails during this period, we’re here to help - whether it’s a replacement, repair, or refund. For full details, refer to the Warranty page.

Return Information

Wisent Parts accepts returns within 30 days of delivery. All returns are subject to a restocking fee. To qualify, parts must be unused and in their original condition. For full return instructions and restocking fee details, please refer to the Returns page.