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Audi 100 Series Spark Plug Replacement

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  1. ✓ In Stock 1969-1971 Audi 100 Series Spark Plug (Champion)

    1969-1971 Audi 100 Series Spark Plug (Champion)

    Partslink #: 415

    Resistor Type Gap 0.028in ; Plug Type RN9YC

    $3.83 View part →
  2. ✓ In Stock 1969-1971 Audi 100 Series Spark Plug (Champion)

    1969-1971 Audi 100 Series Spark Plug (Champion)

    Partslink #: 300

    Non-Resistor Type Gap 0.028in OE Type ; Plug Type N9YC

    $3.85 View part →
  3. ✓ In Stock 1972-1977 Audi 100 Series Spark Plug (Champion)

    1972-1977 Audi 100 Series Spark Plug (Champion)

    Partslink #: 332

    Resistor Type Gap 0.032in ; Plug Type RN7YC

    $4.02 View part →
  4. ✓ In Stock 1974-1977 Audi 100 Series Spark Plug (Bosch)

    1974-1977 Audi 100 Series Spark Plug (Bosch)

    Partslink #: 7992

    Original Center Electrode Material is Copper/Nickel Gap 0.028 in

    $4.04 View part →
  5. ✓ In Stock 1969-1971 Audi 100 Series Spark Plug (NGK)

    1969-1971 Audi 100 Series Spark Plug (NGK)

    Partslink #: 6427

    Gap 0.028"

    $4.69 View part →
  6. ✓ In Stock 1969-1971 Audi 100 Series Spark Plug (NGK)

    1969-1971 Audi 100 Series Spark Plug (NGK)

    Partslink #: 7131

    Gap 0.028" OE Equivalent Design

    $4.84 View part →
  7. ✓ In Stock 1970-1977 Audi 100 Series Spark Plug (Denso)

    1970-1977 Audi 100 Series Spark Plug (Denso)

    Partslink #: 3088

    Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

    $5.03 View part →
  8. ✓ In Stock 1972-1977 Audi 100 Series Spark Plug (NGK)

    1972-1977 Audi 100 Series Spark Plug (NGK)

    Partslink #: 5534

    Gap 0.028" OE Equivalent Design

    $5.22 View part →
  9. ✓ In Stock 1969-1971 Audi 100 Series Spark Plug (NGK)

    1969-1971 Audi 100 Series Spark Plug (NGK)

    Partslink #: 7084

    Gap 0.028"

    $5.61 View part →
  10. ✓ In Stock 1969-1977 Audi 100 Series Spark Plug (Champion)

    1969-1977 Audi 100 Series Spark Plug (Champion)

    Partslink #: 7415

    Gap 0.032in; Plug Type RN9PYP

    $9.65 View part →
  11. ✓ In Stock 1969-1977 Audi 100 Series Spark Plug (Champion)

    1969-1977 Audi 100 Series Spark Plug (Champion)

    Partslink #: 9804

    Gap 0.032in; Plug Type RN8WYPB3

    $13.61 View part →
  12. ✓ In Stock 1969-1971 Audi 100 Series Spark Plug (NGK)

    1969-1971 Audi 100 Series Spark Plug (NGK)

    Partslink #: 6637

    Gap 0.028"

    $14.32 View part →
  13. ✓ In Stock 1972-1977 Audi 100 Series Spark Plug (NGK)

    1972-1977 Audi 100 Series Spark Plug (NGK)

    Partslink #: 4055

    Gap 0.028"

    $14.32 View part →
  14. ✓ In Stock 1970-1977 Audi 100 Series Spark Plug (Denso)

    1970-1977 Audi 100 Series Spark Plug (Denso)

    Partslink #: 5307

    Gap 0.032 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

    $15.46 View part →

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Spark Plug Compatibility for Audi 100 Series

Browse our selection of quality spark plug parts designed specifically for your Audi 100 Series. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · GL · LS

Body Types

Sedan

Engine Options

L4 1.8L · L4 1.9L

Transmissions

Automatic · Manual · U/K

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