HomeEmission Control > Air Injection SystemDorman 911-982 Secondary Air Injection Check Valve
Part #: 911-982

Dorman 911-982 Secondary Air Injection Check Valve

⚙️ 26 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Porsche, 911, Boxster, and Carrera GT
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Dorman 911-982 Secondary Air Injection Check Valve

The Dorman 911-982 secondary air injection check valve is built to match the fit and function of the original valve on specified vehicles. It is a cast aluminum, solenoid-style valve engineered for dependable operation in the secondary air injection system on Porsche 911, Porsche Carrera GT, and Porsche Boxster applications.

Key Features

  • Direct replacement secondary air injection check valve for specified Porsche applications
  • Cast aluminum construction with gray finish
  • Solenoid valve type with 2 ports
  • Inlet size: 0.688 in; outlet size: 0.588 in
  • Maximum pressure rating: 55 PSI
  • Working temperature range: -28.8 C to 149 C
  • Package contents: 1 secondary air injection check valve and 1 gasket
  • Cross-reference part number: 99711324990

Detailed Description

This Dorman 911-982 check valve is designed for the secondary air injection system, where accurate valve operation helps control exhaust emissions during cold-start operation. The cast aluminum body is built for durability, while the solenoid design supports consistent valve response across the specified temperature and pressure range. For Porsche 911 owners searching for a secondary air injection check valve replacement, this part provides an OE-style solution for the original application.

Compatible With Porsche 911, Porsche Carrera GT, and Porsche Boxster models listed below, this part number 911-982 is a direct-fit option for vehicles that require the specified inlet and outlet dimensions. It also cross-references part number 99711324990 for the same application.

Vehicle Fitment

  • Fits 2020-2021 Porsche 911, N/A
  • Fits 2014-2019 Porsche 911, N/A
  • Fits 2010-2011 Porsche 911, N/A
  • Fits 1998-2005 Porsche 911, N/A
  • Fits 2004-2006 Porsche Carrera GT, N/A
  • Fits 2000-2004 Porsche Boxster, N/A

What It Helps Address

  • Secondary air injection check valve leakage
  • Emission system fault codes related to air injection flow
  • Cold-start emissions control issues
  • Valve sticking caused by heat and age
  • Loss of proper one-way air control in the secondary air system

Installation Notes and Tips

Verify inlet and outlet sizes, port count, and mounting location before installation. Replace the gasket supplied in the package during service, and confirm all hose and electrical connections are secure. On Porsche 911, Porsche Carrera GT, and Porsche Boxster applications, proper installation is important for correct secondary air injection system operation.

Quality Assurance

Dorman designs this replacement valve to match original fit and function on the listed vehicles. The cast aluminum construction and solenoid valve design are selected for reliable performance within the stated operating temperature and pressure range.

BrandDorman
Part Number911-982
MaterialCast aluminum
Length2.875
AdjustableNo
Port Quantity2
Color/FinishGray
Inlet Size (in)0.688 in
Maximum Pressure Rating (psi)55 psi
Outlet Size (in)0.588 in
Package Contents1 secondary air injection check valve; 1 gasket
Valve TypeSolenoid
Working Temperature Range-28.8 deg c to 149 deg c

This part fits 26 vehicles. Search below:

YearMakeModelPositionNotes
2021Porsche911N/APackaging Type: Box
2020Porsche911N/APackaging Type: Box
2019Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2018Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2017Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2016Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2015Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2014Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2011Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2010Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2006PorscheCarrera GTN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2005Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2005PorscheCarrera GTN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2004Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2004PorscheBoxsterN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2004PorscheCarrera GTN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2003Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2003PorscheBoxsterN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002PorscheBoxsterN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001PorscheBoxsterN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000PorscheBoxsterN/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1999Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1998Porsche911N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.

* 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:

99711324990

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