Home » Engine PCV Breather Box Oil Separator for Volvo C30 S40 S60

Engine PCV Breather Box Oil Separator for Volvo C30 S40 S60

SKU: 1005006252875811-X10 Membrane
Color
€35,90
-38% €57,44 €35,90

Restore precise crankcase ventilation and prevent oil sludge buildup with this engine PCV breather box oil separator engineered for select Volvo platforms. Factory PCV assemblies naturally degrade as mileage increases, which frequently triggers fuel trim fault codes such as P0171 and P0174, resulting in rough idling and sluggish acceleration. This replacement unit utilizes a hermetically sealed ABS polymer housing reinforced with corrosion-resistant stainless steel connectors and precision-cut rubber gaskets. The compact design maintains consistent internal pressure regulation while efficiently extracting oil vapors from exhaust gases, helping stabilize your air-fuel ratio, protect downstream intake components, and keep tailpipe emissions aligned with manufacturer standards.

Benefits & Professional Tips

  • Cross-check every OEM number against your current assembly before fitting, as vacuum routing and engine calibrations vary across Volvo generations.
  • Mating flanges must be free of carbon residue and old gasket material; a clean seal prevents secondary vacuum leaks that can mimic sensor failures.
  • Integrate this replacement into routine maintenance cycles to minimize blow-by oil contamination in intercoolers and throttle bodies, preserving long-term turbo longevity.

Product Specifications

  • Core Function: Crankcase gas recirculation and oil vapor separation
  • Housing Material: ABS plastic with integrated rubber sealing gaskets
  • Reinforcements: Stainless steel internal mounts and connector sleeves
  • OEM Reference Numbers: 31338685, 31338684, 30788494, 30684381, 09153021001, 3133865D, 31338698, P0171, P0174
  • Engine Compatibility: B5254T4, B5244S (2.5L series)
  • Vehicle Application: Volvo C30, C70, S40, S60, S80, V50, V70 (2004–2012 chassis)

Package includes: 1 × Engine PCV Breather Box Oil Separator unit

Important Reminders

This component functions as a direct-fit aftermarket replacement intended for qualified installers or experienced DIY mechanics. Always verify that physical mounting points and port orientations align with your VIN-specific configuration prior to purchase. Incorrect routing may lead to false diagnostic trouble codes or improper cabin defrost airflow.

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