Description
The Champion 515 Spark Plug is engineered for dependable ignition performance in demanding agricultural and industrial equipment. Developed with Champion’s global engineering expertise from Federal-Mogul, this spark plug is designed to operate reliably in high-compression engines and heavy-duty service environments.
Constructed with durable nickel alloy electrodes and precision manufacturing, the Champion 515 delivers consistent ignition and long service life. The flat seat design, removable terminal nut, and factory pre-gap allow for straightforward installation across a wide range of industrial engines, tractors, and compressors.
Designed to withstand high temperatures and heavy load conditions, this standard replacement spark plug helps maintain stable combustion and reliable starting in equipment where durability and performance are essential.
Features
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Designed for high-compression engines and aggressive operating environments
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Standard replacement spark plug for agricultural and industrial applications
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Nickel center and ground electrodes for durability and consistent spark
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Pre-gapped at 0.025 in (0.65 mm) for easier installation
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Flat seat design for secure engine fitment
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Removable terminal nut for flexible ignition wire connections
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Manufactured to Champion’s industrial spark plug standards
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Backed by global engineering from Federal-Mogul
Specifications
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Center Electrode Tip Material: Nickel
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Ground Electrode Material: Nickel Copper Alloy
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Ground Electrode Quantity: 1
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Pre-Gap Size: 0.025 in (0.65 mm)
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Thread Diameter: 18 mm (0.709 in)
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Reach: 0.5 in
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Hex Size: 22.23 mm (7/8 in)
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Seat Type: Flat
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Manufacturer Heat Range: 15
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Resistor Type: No
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Electrical Terminal Type: Removable Nut
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Installed Height: 2.25 in
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Insulator Projection: 0.04 in
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Grade Type: Standard Replacement
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Classification: Champion Agricultural Plugs
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Prop 65: No
Fitment
Compatible with various International Harvester, Ingersoll-Rand, Leroi, Lindig, Schramm, Kolberg, Iowa, and Palmer-Greenwich equipment, including select tractors, compressors, and industrial engines.
Examples include:
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International Harvester A, Super A, Industrial Cub
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International 3500A (1972–1977)
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International 3400A (1972–1975)
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International 3600A (1978–1982)
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International 3616 (1965–1971)
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International 3800 (1966–1971)
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International 3850 (1966–1972)
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International 3514 (1965–1972)
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Ingersoll-Rand G125, G150, G175
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Ingersoll-Rand GRR85, GRR150, GRR160
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Schramm 125 and 160 Pneumapower
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Palmer-Greenwich M-60 and P-60
(Verify engine specifications and fitment before installation.)