Description:
The ACDelco MR43T Specialty Marine Copper Spark Plug is designed for reliable ignition performance in marine engines, including jet boats, inboards, outboards, and personal watercraft. Engineered to maintain stable operating temperatures under varying loads, this spark plug helps support consistent engine performance in demanding marine environments.
A high-quality copper core center electrode provides excellent heat transfer to help maximize durability and performance. The ribbed suppressor seal helps prevent spark flashover and misfires, while nickel-chrome alloy sheathing helps protect the center electrode from corrosion and wear.
Designed as a dependable replacement spark plug, the MR43T offers reliable ignition and efficient engine operation for a variety of marine applications.
Features:
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Designed for marine engines including jet boats, inboards, outboards, and personal watercraft
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Copper core center electrode improves heat transfer and durability
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Ribbed suppressor seal helps prevent spark flashover and misfires
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Nickel-chrome alloy sheathing helps resist corrosion on the center electrode
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Maintains stable operating temperatures under varying engine loads
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Reliable replacement spark plug for marine applications
Product Specifications:
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Part number: MR43T
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SKU: 269635
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Product type: Specialty marine spark plug
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Center electrode core material: Copper
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Center electrode tip material: Nickel alloy
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Ground electrode tip material: Nickel
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Ground electrode configuration: Standard
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Ground electrode quantity: 1
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Thread diameter: 14 mm
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Seat type: Tapered
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Reach: 10.95 mm
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Hex size: 15.88 mm
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Hex type: Hex
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Resistor type: Yes
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Pre-gap size: 0.04 in
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Manufacturer heat range: 3
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Insulator height: 2.27 in
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Electrical terminal type: Non-removable nut
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Washer included: No
