• NGK Standard Spark Plug (B-4L) 3112
  • NGK Standard Spark Plug (B-4L) 3112
  • NGK Standard Spark Plug (B-4L) 3112
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NGK

NGK Standard Spark Plug (B-4L) 3112

NGK Standard Spark Plug (B-4L) 3112

Part number: 9WJIW

$6.04 USD
$6.04 USD
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Standard Spark Plug 3112 by NGK. Check the part number and details below against what you are replacing. Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.

Quick facts

  • Brand: NGK
  • Part type: Ignition part

Listed fitment

  • 1962 American Motors Ambassador 400
  • 1963 American Motors Ambassador 880
  • 1963 - 1966 American Motors Ambassador 990
  • 1960 - 1966 American Motors Ambassador Base
  • 1958 - 1962 American Motors Ambassador Custom
  • 1961 American Motors Ambassador Custom 400
  • 1959 American Motors Ambassador Deluxe
  • 1966 American Motors Ambassador DPL
  • 1958 - 1961 American Motors Ambassador Super
  • 1962 American Motors American 400
  • 1964 - 1965 American Motors American 440, 330
  • 1964 American Motors American 440H
  • 1959 - 1965 American Motors American Base
  • 1960 - 1962 American Motors American Custom
  • 1958 American Motors American Deluxe
  • 1959 American Motors American Panel Delivery
  • 1958 - 1961 American Motors American Super
  • 1962 American Motors Classic 400
  • 1963 - 1965 American Motors Classic 770, 660
  • 1961 - 1965 American Motors Classic Base
  • 1961 - 1962 American Motors Classic Custom
  • 1961 American Motors Classic Super, Custom 400
  • 1961 - 1962 American Motors Custom Base
  • 1961 - 1962 American Motors Deluxe Base
  • 1965 - 1966 American Motors Marlin Base
  • 1959 - 1960 American Motors Rambler Custom, Base, Super
  • 1959 American Motors Rebel Base, Super, Custom
  • 1961 - 1962 American Motors Super Six Base
  • 1954 Mercury Custom Base
  • 1954 Mercury Monterey Sun Valley, Base

Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

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About this ignition part

Ignition parts are routine maintenance and among the easiest ways to restore smooth running.

Fitment notes

  • Specs, lead time and warranty come from NGK and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

Ask about fitment

Parts that usually go with it

More for your car: Spark Plugs · All Spark Plugs · Batteries & electrical

Questions about ignition part

Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How often should spark plugs be replaced?
Your maintenance schedule lists it; long-life plugs often go 60,000 to 100,000 miles.
Where do specs and warranty details come from?
From NGK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.

Questions & answers

No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.

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