Peugeot Citroen Ford 1.6 HDi TDCi Diesel EGR Valve Gas Recirculation 1618LC

Peugeot Citroen Ford 1.6 HDi TDCi Diesel EGR Valve Gas Recirculation is an original component from the EGR valves and parts group, designed for 1.6 HDi / TDCi diesel engines. It enables proper exhaust gas recirculation, which translates into stable engine operation, reduced emissions, and correct interaction with the engine control system.

Specifications and technical data

• SKU: 1618LC-2
• Mark: Peugeot
• Condition: Used
• OEM Part Number: 1618LC
• Substitutable numbers: 1618LC, 1685740, 6Q9D475AB
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and function of the EGR valve

The presented exhaust gas recirculation valve is dedicated to Diesel engines used in Peugeot, Citroen, and Ford vehicles with the 1.6 HDi / TDCi unit. Its task is to controlledly direct a portion of the exhaust gases back into the intake manifold, which lowers combustion temperature, reduces nitrogen oxide emissions, and stabilizes engine performance parameters across a wide range of loads.

A properly functioning EGR is crucial for:

• maintaining the correct operating culture of the diesel engine,
• reducing smoke and power drops at low and medium RPMs,
• cooperating with the control system and exhaust emission sensors.

Benefits of using an original Peugeot component

The valve belongs to the group of original Peugeot components, which means maintaining factory flow parameters, control characteristics, and compatibility with the engine control unit software. In practice, this translates into:

• a secure fit to the manifold and hoses in 1.6 HDi / TDCi engines,
• stable exhaust gas recirculation values across the entire operating range of the unit,
• reduced risk of diagnostic errors related to EGR operation.

Choosing an original valve from this group is particularly beneficial for modern diesels, where the exhaust gas recirculation system is tightly integrated with the engine control system and exhaust aftertreatment system.

Performance characteristics and installation

The offered item is a used product, which allows for an economical repair of the EGR system while maintaining the original specification. This is a solution often chosen when optimizing service costs in vehicles with higher mileage, where a reasonable balance between price and functionality is important.

The valve is structurally prepared for installation in place of the factory EGR in 1.6 HDi / TDCi engines. During replacement, it is recommended to:

• thoroughly clean the mating surfaces,
• verify the condition of the intake and exhaust hoses,
• check for proper operation after installation using computer diagnostics.

Technical support and part selection

The component has assigned interchangeable numbers and an OEM number, which facilitates unambiguous identification and selection for a specific version of the 1.6 HDi / TDCi engine. Before purchasing, it is worth comparing the markings with the currently installed valve or using the vehicle manufacturer's catalog to confirm compatibility.

If you are planning a comprehensive repair or upgrade of the engine area in your Peugeot and need other elements from the same group, such as EGR valves, exhaust gas coolers, or recirculation hoses, check the available parts in the Peugeot EGR valves and parts category.

Service knowledge and cost optimization

When working with modern diesel units, it is worth knowing the specifics of various solutions used by manufacturers. For a comparison of designs and typical faults in popular Volkswagen engines, as well as ways to reasonably use second-hand parts, the following article will be helpful: Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs.

If you want to better understand how using original second-hand components – such as EGR valves – affects the later value of the vehicle upon sale, it is worth reading the guide: Original used parts and the resale value of a car – how not to lose money?.