ACDelco MR43LTS Resistor Marine Spark Plug

Manufacturer

ACDelco

Part Number

MR43LTS
03/11/2036 4:16 PM
Sale Price

$4.77

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The ACDelco MR43LTS is a specialty marine spark plug designed for reliable, efficient performance in jet boats, inboards, outboards, and personal watercraft. This resistor spark plug features an M14 thread size with a 5/8-inch hex size, 0.680-inch thread reach, and comes pre-gapped to 0.040 inches.

Key Features:

  • Copper core center electrode with nickel tip material for excellent heat transfer and durability
  • Ribbed suppressor seal extends resistance and helps prevent spark flash-over and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Resistor value of 2,500 to 12,000 ohms for superior noise suppression
  • Heat range 3 with tapered seat design
  • Maintains stable operating temperatures under varying loads

The MR43LTS features a 51mm (2.030-inch) insulator height and 17.25mm thread reach. This spark plug comes pre-gapped from the factory to the correct specification. Ideal for marine applications requiring dependable ignition performance in harsh saltwater environments.

Products specifications

Electrode Core Material

Copper

Electrode Tip Material

Nickel alloy

Ground Strap Quantity

One

Quantity

Sold individually.

Shorty Spark Plug

No

Spark Plug Seat Style

Tapered

Spark Plug Thread Size

14mm

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