First, Add Your Vehicle

Get an exact fit for your vehicle.
Tap image to zoom

ACDelco RapidFire Platinum Spark Plug 20

Shop All ACDelco
Part # 20
SKU # 429913
Price Not Available
In stock|
Estimated delivery Feb. 27
Part #20
SKU #429913
Ground Electrode Tip MaterialNickel
Resistor TypeYes
Indicated Mean Effective Pressure (IMEP)220Pa
Center Electrode Tip MaterialPlatinum
Pre-Gap Size1.1mm
Thread Diameter14.0mm
Center Electrode Core MaterialCopper
Seat TypeFlat
Washer TypeCrush
Manufacturer Heat Range12
Metal TypePlatinum
Insulator Height52mm
Ground Electrode Tip DesignStandard
Ground Electrode Quantity1
Center Electrode DesignStandard
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Core Nose Length0.7in
Hex TypeHex
Electrical Terminal TypeNon-Removable Nut
Washer IncludedYes
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
  • checkmark
    Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • checkmark
    Pure copper core provides great heat transfer and helps maximize plug durability
  • checkmark
    Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • checkmark
    Ribless insulator helps optimize plug to boot seal
  • checkmark
    Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • checkmark
    Premium aftermarket replacement part
  • checkmark
    Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models