HomeEmission Control > Crankcase Ventilation SystemGenuine 99710703800 Engine Crankcase Vent Valve
Part #: 99710703800

Genuine 99710703800 Engine Crankcase Vent Valve

9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Porsche, 911
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Porsche 911 Crankcase Vent Valve

This Genuine engine crankcase vent valve is a direct-fit emission control component for the crankcase ventilation system. It is listed for 2005-2008 Porsche 911 models with external, primary placement, and it is identified by part number 99710703800.

Key Features

  • Genuine OE replacement crankcase vent valve
  • Fits 2005-2008 Porsche 911, N/A, external; primary
  • Supports crankcase ventilation and emission control function
  • Part number 99710703800 for accurate ordering and lookup
  • Direct application for Porsche 911 crankcase ventilation service

Detailed Description

Built for the emission control system, this crankcase vent valve regulates crankcase vapors as part of the engine ventilation circuit. On the Porsche 911, proper crankcase ventilation helps maintain stable engine operation and keeps the ventilation system functioning as intended. If you are searching for a Porsche 911 crankcase vent valve, Porsche 911 emission control part, or Genuine 99710703800 replacement, this component matches the listed application.

This part cross-references no additional part numbers in the provided data.

What It Helps Address

  • Crankcase pressure buildup
  • Oil vapor routing issues
  • Ventilation system fault codes related to crankcase control
  • Rough idle caused by ventilation system problems
  • Oil seepage associated with crankcase pressure irregularities

Installation Notes and Tips

Verify the existing valve location and compare the part number 99710703800 before installation. Confirm the vehicle is a 2005-2008 Porsche 911 with external, primary placement as listed. Inspect connected hoses and seals during service so the ventilation system is restored without leaks.

Quality Assurance

Genuine parts are sourced as original-equipment replacement components for the specified application. Use the listed fitment and part number to confirm selection before installation.

This part fits 9 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2008Porsche911Targa 4SN/AExternal; Primary
2008Porsche911Carrera 4SN/AExternal; Primary
2008Porsche911Carrera SN/AExternal; Primary
2007Porsche911Targa 4SN/AExternal; Primary
2007Porsche911Carrera 4SN/AExternal; Primary
2007Porsche911Carrera SN/AExternal; Primary
2006Porsche911Carrera 4SN/AExternal; Primary
2006Porsche911Carrera SN/AExternal; Primary
2005Porsche911Carrera SN/AExternal; Primary

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.