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Audi S4 Secondary Air Injection Check Valve Replacement

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  1. ✓ In Stock 2000-2002 Audi S4 Secondary Air Injection Check Valve - Right (Dorman)

    2000-2002 Audi S4 Secondary Air Injection Check Valve - Right (Dorman)

    Partslink #: 911-973

    Packaging Type: Box

    $220.95 View part →
  2. ✓ In Stock 2010-2016 Audi S4 Secondary Air Injection Check Valve - Left (Dorman)

    2010-2016 Audi S4 Secondary Air Injection Check Valve - Left (Dorman)

    Partslink #: 911-988

    Packaging Type: Box

    $323.70 View part →
  3. ✓ In Stock 2010-2016 Audi S4 Secondary Air Injection Check Valve - Right (Dorman)

    2010-2016 Audi S4 Secondary Air Injection Check Valve - Right (Dorman)

    Partslink #: 911-989

    Packaging Type: Box

    $239.16 View part →

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Secondary Air Injection Check Valve Compatibility for Audi S4

Browse our selection of quality secondary air injection check valve parts designed specifically for your Audi S4. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Avant · Base · Premium Plus · Prestige · Progressiv · Technik

Body Types

Sedan · Wagon

Engine Options

V6 2.7L · V6 3.0L

Transmissions

Automatic · Automatic Dual Clutch · Manual

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