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Champion 514 Spark Plug
| Brand | Champion 514 |
|---|---|
| Center Electrode Diameter (Inch) | 0.125 |
| Center Electrode Tip Material | Nickel |
| Classification | Champion Agricultural Plugs |
| Electrical Terminal Type | Removable Nut |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Material | Nickel Copper Alloy |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.875 |
| Hex Size | 22.230 |
| Hex Type | Hex |
| Manufacturer Heat Range | 14 |
| Plug Type | D14 |
| Pre-Gap Size | 0.025 |
| Pre-Gap Size | 0.65 |
| Reach | 0.5 |
| Resistor Type | No |
| Seat Type | Flat |
| Thread Diameter | 0.709 |
| Thread Diameter | 18.000 |
| Product line | Copper Plus |
| Fits | Ski-Doo, DKW, Alfa Romeo, Duesenberg, GMC, Stutz, Continental, Cadillac, Hudson, Oldsmobile, Cord, Marmon, Bugatti, Chrysler, and Bentley |
Copper Plus design. Built for dependable ignition in demanding service environments.
Nickel electrodes. Helps deliver consistent spark performance under load.
Flat seat spark plug. A straightforward replacement for secondary ignition service.
Cross-references Anchor 2697, Anchor 3010 and BENDIX PREMIUM BRAKE SHOES 801 for the same application. See all 38.
Champion Copper Plus 514 Spark Plug
Champion Copper Plus 514 is an industrial and agricultural spark plug built for high-temperature, high-load service. It uses nickel center and ground electrode materials with a flat seat, 0.025 in. pre-gap, and a removable nut terminal for straightforward secondary ignition service.
Key Features
- Champion Copper Plus line for industrial and agricultural ignition service
- Nickel center electrode tip and nickel ground electrode core material
- Nickel copper alloy ground electrode material for durable spark delivery
- 0.025 in. pre-gap for direct installation in the correct application
- Flat seat design with 0.5 in. reach and 18 mm thread diameter
- No resistor design
- Hex size: 0.875 in. with removable nut terminal
- Manufacturer heat range 14
Product Details
The Champion Copper Plus 514 spark plug is part of Champion’s Copper Plus line, a product family focused on dependable ignition performance in demanding industrial and agricultural environments. Federal-Mogul engineering supports the design, and the plug construction is specified to handle elevated heat and load conditions common in equipment service. This part number 514 is also referenced in secondary ignition applications where a D14-style plug is required.
For fitment-based searches, this spark plug is commonly sought for equipment and vehicle applications that call for Champion 514, Champion Copper Plus 514, or a D14 spark plug. It also cross-references Champion Spark Plug 82 for the same application.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs
- Weak ignition output in high-load operating conditions
- Misfire from excessive electrode wear
- Inconsistent combustion from incorrect plug gap
- Service issues in industrial and agricultural ignition systems
Installation Notes
Verify the required thread diameter, reach, seat type, and heat range before installation. Confirm the plug gap matches the engine specification if adjustment is needed, and check that the removable nut terminal matches the ignition lead connection. Use the correct torque procedure for flat-seat spark plugs to help ensure proper sealing and heat transfer.
Quality Assurance
Champion backs this spark plug with global engineering from Federal-Mogul and a design approach aimed at demanding service environments. The Copper Plus construction uses nickel-based electrode materials selected for consistent ignition performance in industrial and agricultural use.
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