Renault Trafic 3 1.6 DCI Vivaro B Air Intake Inlet Breather Manifold 118302761R

The Trafic 3 1.6 DCI Vivaro B Intake Manifold with PCV is an original intake system component designed for Renault diesel engines and related constructions. It combines the function of an intake manifold with a PCV system in a single housing, allowing for stable engine operation and proper management of oil vapors. A used OEM component is a sensible choice for servicing advanced diesel engines when fitment and predictable operating parameters are crucial.

Specifications and technical data

• SKU: 118302761R
• Mark: Renault
• Condition: Used
• OEM Part Number: 118302761R
• Substitutable numbers: 118302761R
• Fuel type: Diesel
• Category: Intake Manifolds

Purpose and Function in the Intake System

The intake manifold in a diesel engine is responsible for evenly distributing air to individual cylinders, which directly impacts engine smoothness, performance, and emissions. The integrated PCV system ensures controlled return of crankcase gases to the intake, limiting oil loss and helping to maintain stable engine pressure. In vehicles such as the Renault Trafic 3 or Opel Vivaro B, a properly functioning manifold with PCV is crucial for:

• maintaining the correct air-fuel mixture in the diesel engine,
• reducing smoke and power drops under load,
• decreasing the risk of oil leaks and crankcase overpressure,
• proper cooperation with the turbocharging system and engine control.

Benefits of Using an Original Intake Manifold with PCV

In modern diesel engines, using a component that matches the factory specification helps maintain consistent airflow parameters and the correct operation of sensors and the engine control unit. For this intake manifold with PCV model, the following are particularly important:

• factory geometry of the intake ports, ensuring predictable cylinder filling,
• integration of the PCV system with the intake, simplifying the design and reducing potential leak points,
• compatibility with diesel engine ancillaries used in this generation of commercial vehicles.

Therefore, replacing a damaged or worn-out component with an original used intake manifold with PCV allows for the restoration of correct engine operating parameters without the need for installation modifications.

Operating Characteristics in Diesel Engines

Diesel engines are particularly sensitive to the condition of the intake system, and any leaks, contamination, or improper airflow quickly translate into a loss of power and ECU errors. Using the appropriate intake manifold with PCV helps to:

• maintain stable boost pressure and proper airflow,
• minimize oil blow-by into the intake,
• reduce carbon deposit buildup in the intake ports,
• ensure uniform operation of all cylinders under typical commercial vehicle operating conditions.

For fleet operators and workshops servicing commercial vehicles, this means more predictable engine behavior and easier diagnosis of potential faults.

Condition, Origin, and Service Application

The presented intake manifold with PCV comes from the Intake Manifolds category for Renault, ensuring structural compatibility with factory solutions used in this engine line. A used component is a good choice in situations where:

• replacement of a damaged manifold due to cracking or leaks is necessary,
• there are problems with PCV operation and excessive oil consumption,
• diagnostics indicate airflow disturbances in the intake system.

Selecting parts according to manufacturer markings and engine parameters allows for installation without modifications, maintaining the original equipment configuration.

If you are planning a comprehensive repair or upgrade of the engine area in your Renault and need other components from the same category, such as additional manifolds, intake elements, or intake system housings, check the available parts in the Renault Intake Manifolds category.

Technical Support and Additional Knowledge

When working with the intake and exhaust systems in diesel engines, it is worth considering the dependencies between the intake manifold, exhaust manifold, turbocharger, and exhaust gas treatment components. For users interested in a broader context of modifications and selection of used gas flow system components, the article: Performance Exhaust System: Used Manifolds and Sport Catalysts on the Road will be helpful. You will find practical tips there on manifold operation in various engine configurations, which will facilitate informed planning of repairs and upgrades.