ACDELCO
More Information for ACDELCO R45S
{Alternate Inventory Numbers: 19301653}
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ACDELCO R45S  
$1.05
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 $0.00
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 + Sold in packs of 1x1
Pack
 $1.05
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ACDELCO R45S Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel Alloy
Ground Electrode Core MaterialNickel
Height (IN)1.1
Hex Size (IN)13/16
Length (IN)4.1
Manufacturer Heat Range5
Pre-Gap Size (IN)0.04
Pre-Gap Size (MM)0.89
Reach (IN)0.37
Reach (mm)9.4
Resistor TypeYes
Seat TypeGasket
Thread Diameter (IN)0.55
Thread Diameter (MM)14
Weight (lb)0.48
Width (IN)3.5
Professional; Conventional; Pre-Set Gap: 0.040"
ACDelco Standard Spark Plugs are precisely engineered and manufactured to provide everyday reliability and efficient performance.

Features & Benefits:
  • A copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you're looking for while improving its resistance to low-speed carbon fouling.
  • Hot-tip insulator heats fast and fires hot.
  • The nickel-chrome alloy on the ground electrode and center electrode sheathing resists wear from spark erosion and the corrosive environment of the combustion chamber.
Which ACDELCO Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel
Copper		 ★ ★
Platinum Rapidfire
Platinum		 ★★ ★★ ★★
Double Platinum
Double Platinum		 ★★★★ ★★ ★★
Iridium
Iridium		 ★★★ ★★★★ ★★★
ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.

GM ORIGINAL EQUIPMENT
GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDELCO GOLD (PROFESSIONAL)
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.


OEM / Interchange Numbers: 19362366, 86

Closeout Inventory Warranty Information:
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

Regular Inventory Warranty Information:
24 Month / Unlimited Mile Limited Warranty
Warranty Details