HomeEngine > Gaskets and Sealing SystemsGenuine 99970763540 Engine Oil Separator O-Ring
Part #: 99970763540

Genuine 99970763540 Engine Oil Separator O-Ring

82 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$29.17Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Porsche, 911, Boxster, and Cayman
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Oil Separator O-Ring for Porsche Models

The Genuine Engine Oil Separator O-Ring 99970763540 is designed specifically for Porsche vehicles, including the 911, Boxster, and Cayman models. This essential sealing component ensures proper function of the engine oil separator system, maintaining engine performance and preventing leaks.

  • Compatible with Porsche 911, Boxster, and Cayman models
  • Genuine part number 99970763540 for precise fitment
  • Engine oil separator O-ring designed for effective sealing
  • Manufactured to meet OEM specifications
  • Durable material resistant to engine oil and heat

Product Details and Specifications

This Genuine Engine Oil Separator O-Ring (part number 99970763540) is engineered to provide a secure seal within the engine oil separator system of Porsche 911, Boxster, and Cayman vehicles. The O-ring prevents oil leaks and ensures the proper separation of oil vapors from the crankcase gases. Made from high-quality materials, it withstands the demanding conditions of the engine environment, including exposure to heat and oil contaminants. Using the correct Genuine part guarantees compatibility and maintains the integrity of the engine’s sealing system.

Common Applications and Issues Addressed

  • Prevents oil leaks from the engine oil separator assembly
  • Maintains proper crankcase ventilation and oil vapor separation
  • Reduces risk of engine oil contamination and pressure loss
  • Helps avoid engine performance issues related to faulty seals
  • Addresses symptoms such as oil smell in the engine bay or visible leaks

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Clean the sealing surfaces thoroughly to remove old oil and debris
  • Inspect the oil separator housing for damage before fitting the new O-ring
  • Lubricate the O-ring lightly with clean engine oil to aid installation
  • Follow Porsche service manual torque specifications when reassembling

Quality Assurance and Warranty

This Genuine Engine Oil Separator O-Ring 99970763540 is manufactured to meet Porsche OEM standards, ensuring reliable performance and fitment. While specific warranty details depend on the point of purchase, Genuine parts typically come with manufacturer-backed quality assurance to support durability and function in Porsche 911, Boxster, and Cayman engines.

This part fits 82 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2017Porsche911Targa 4N/A21.0 x 4.0mm
2017Porsche911Targa 4SN/A21.0 x 4.0mm
2017Porsche911RN/A21.0 x 4.0mm
2017Porsche911CarreraN/A21.0 x 4.0mm
2017Porsche911Carrera 4N/A21.0 x 4.0mm
2017Porsche911Carrera 4SN/A21.0 x 4.0mm
2017Porsche911TurboN/A21.0 x 4.0mm
2017Porsche911Carrera SN/A21.0 x 4.0mm
2017Porsche911Turbo SN/A21.0 x 4.0mm
2016Porsche911Targa 4N/A21.0 x 4.0mm
2016Porsche911Targa 4SN/A21.0 x 4.0mm
2016Porsche911Carrera GTSN/A21.0 x 4.0mm
2016Porsche911Carrera 4 GTSN/A21.0 x 4.0mm
2016Porsche911Targa 4 GTSN/A21.0 x 4.0mm
2016Porsche911CarreraN/A21.0 x 4.0mm
2016Porsche911Carrera 4N/A21.0 x 4.0mm
2016Porsche911Carrera 4SN/A21.0 x 4.0mm
2016Porsche911TurboN/A21.0 x 4.0mm
2016Porsche911Carrera SN/A21.0 x 4.0mm
2016Porsche911Turbo SN/A21.0 x 4.0mm
2016PorscheBoxsterN/A21.0 x 4.0mm
2016PorscheCaymanN/A21.0 x 4.0mm
2015Porsche911Targa 4N/A21.0 x 4.0mm
2015Porsche911Targa 4SN/A21.0 x 4.0mm
2015Porsche911CarreraN/A21.0 x 4.0mm
2015Porsche911Carrera 4N/A21.0 x 4.0mm
2015Porsche911Carrera 4SN/A21.0 x 4.0mm
2015Porsche911TurboN/A21.0 x 4.0mm
2015Porsche911Carrera SN/A21.0 x 4.0mm
2015Porsche911Turbo SN/A21.0 x 4.0mm
2015PorscheBoxsterN/A21.0 x 4.0mm
2015PorscheCaymanN/A21.0 x 4.0mm
2014Porsche911CarreraN/A21.0 x 4.0mm
2014Porsche911Carrera 4N/A21.0 x 4.0mm
2014Porsche911Carrera 4SN/A21.0 x 4.0mm
2014Porsche911TurboN/A21.0 x 4.0mm
2014Porsche911Carrera SN/A21.0 x 4.0mm
2014Porsche911Turbo SN/A21.0 x 4.0mm
2014PorscheBoxsterN/A21.0 x 4.0mm
2014PorscheCaymanN/A21.0 x 4.0mm
2013Porsche911N/A21.0 x 4.0mm
2013PorscheBoxsterN/A21.0 x 4.0mm
2012Porsche911Targa 4N/A21.0 x 4.0mm
2012Porsche911Targa 4SN/A21.0 x 4.0mm
2012Porsche911Carrera GTSN/A21.0 x 4.0mm
2012Porsche911Carrera 4 GTSN/A21.0 x 4.0mm
2012Porsche911CarreraN/A21.0 x 4.0mm
2012Porsche911Carrera 4N/A21.0 x 4.0mm
2012Porsche911Carrera 4SN/A21.0 x 4.0mm
2012Porsche911TurboN/A21.0 x 4.0mm
2012Porsche911Carrera SN/A21.0 x 4.0mm
2012Porsche911Turbo SN/A21.0 x 4.0mm
2012PorscheBoxsterN/A21.0 x 4.0mm
2012PorscheCaymanN/A21.0 x 4.0mm
2011Porsche911Targa 4N/A21.0 x 4.0mm
2011Porsche911Targa 4SN/A21.0 x 4.0mm
2011Porsche911Carrera GTSN/A21.0 x 4.0mm
2011Porsche911CarreraN/A21.0 x 4.0mm
2011Porsche911Carrera 4N/A21.0 x 4.0mm
2011Porsche911Carrera 4SN/A21.0 x 4.0mm
2011Porsche911TurboN/A21.0 x 4.0mm
2011Porsche911Carrera SN/A21.0 x 4.0mm
2011Porsche911Turbo SN/A21.0 x 4.0mm
2011PorscheBoxsterN/A21.0 x 4.0mm
2011PorscheCaymanN/A21.0 x 4.0mm
2010Porsche911Targa 4N/A21.0 x 4.0mm
2010Porsche911Targa 4SN/A21.0 x 4.0mm
2010Porsche911CarreraN/A21.0 x 4.0mm
2010Porsche911Carrera 4N/A21.0 x 4.0mm
2010Porsche911Carrera 4SN/A21.0 x 4.0mm
2010Porsche911TurboN/A21.0 x 4.0mm
2010Porsche911Carrera SN/A21.0 x 4.0mm
2010PorscheBoxsterN/A21.0 x 4.0mm
2010PorscheCaymanN/A21.0 x 4.0mm
2009Porsche911Targa 4N/A21.0 x 4.0mm
2009Porsche911Targa 4SN/A21.0 x 4.0mm
2009Porsche911CarreraN/A21.0 x 4.0mm
2009Porsche911Carrera 4N/A21.0 x 4.0mm
2009Porsche911Carrera 4SN/A21.0 x 4.0mm
2009Porsche911Carrera SN/A21.0 x 4.0mm
2009PorscheBoxsterN/A21.0 x 4.0mm
2009PorscheCaymanN/A21.0 x 4.0mm

* 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.