SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

1978 Mercury Grand Marquis Spark Plugs

What year is your
Free Same Day Shipping

1978 Mercury Grand Marquis Spark Plugs

Filter Results
  • Notify When Available
    Picture coming soon

    Replaces Spark Plug ACDelco 2

    Brand: ACDelco
    - 2
    $14.95
    Save 55%
    List $32.95 Save $18.00

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Replaces Spark Plug ACDelco 2

    Picture coming soon
    Brand: ACDelco - 2
    $14.95
    Save 55%
    List $32.95 Save $18.00

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

  • Notify When Available
    Picture coming soon

    Replaces Spark Plug ACDelco 41-905

    Brand: ACDelco
    - 41-905
    $16.95
    Save 54%
    List $36.95 Save $20.00

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Replaces Spark Plug ACDelco 41-905

    Picture coming soon
    Brand: ACDelco - 41-905
    $16.95
    Save 54%
    List $36.95 Save $20.00

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

  • Notify When Available
    Picture coming soon

    Replaces 8 Piece Spark Plug Set ACDelco ACETK00057

    Brand: ACDelco
    - ACETK00057
    • Quantity: 8 Piece
    $66.95
    Save 32%
    List $97.95 Save $31.00

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Replaces 8 Piece Spark Plug Set ACDelco ACETK00057

    Picture coming soon
    Brand: ACDelco - ACETK00057
    • Quantity: 8 Piece
    $66.95
    Save 32%
    List $97.95 Save $31.00

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

  • Notify When Available
    Picture coming soon

    Replaces 8 Piece Spark Plug Set ACDelco ACETK00033

    Brand: ACDelco
    - ACETK00033
    • Quantity: 8 Piece

    Out of Stock

    $ 87.95

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Replaces 8 Piece Spark Plug Set ACDelco ACETK00033

    Picture coming soon
    Brand: ACDelco - ACETK00033
    • Quantity: 8 Piece

    Out of Stock

    $ 87.95

    Guaranteed to Fit 1978 Mercury Grand Marquis

    Guaranteed to Fit 1978 Mercury Grand Marquis

Close



Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.

loading