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NGK 4111 Spark Plug
| Brand | NGK 4111 |
|---|---|
| Resistance | 1 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .028 |
| Ground Electrode Quantity | 1 |
| Hex Size | 13/16 |
| Insulator Height | 55.00 |
| Manufacturer Heat Range | 5 |
| Seat Type | Flat |
| Reach | .5 |
| Thread Diameter | 14.00 |
| Part Number | Bp5hs |
| Stock Number | 4111 |
| Fits | — |
OE supplier heritage. Built to original equipment standards for dependable performance.
Copper core design. Helps promote consistent ignition and reliable operation.
Standard spark plug. A direct-fit replacement for many ignition applications.
Cross-references AMS Automotive 4111, Autolite 275 and Champion Spark Plug 276 for the same application. See all 51.
NGK BP5HS Standard Spark Plug
The NGK BP5HS standard spark plug is built for dependable ignition performance in a wide range of domestic and import applications. It features a copper center electrode core, nickel center and ground electrode tips, and a 1 ohm resistor for stable operation in the ignition system.
As part of NGK’s Standard Spark Plug line, this plug reflects the brand’s OE-focused approach to ignition components for everyday driving, maintenance service, and routine tune-ups.
Key Features
- Part number BP5HS, stock number 4111
- Standard spark plug design with a single ground electrode
- Copper center electrode core for consistent conductivity
- Nickel center and ground electrode tip materials
- 1 ohm resistance for ignition system noise control
- Pre-gapped to .028
- 14.00 mm thread diameter with .5 reach
- Flat seat design with removable nut terminal
- 13/16 hex size and 55.00 insulator height
- Manufacturer heat range 5
Detailed Description
The NGK BP5HS spark plug is a conventional ignition service part engineered around proven materials and dimensions. Its copper core supports efficient heat transfer, while the nickel electrode construction provides a familiar service profile for engines that call for a standard plug with a flat seat, .5 reach, and 14 mm thread diameter. The BP5HS part number is also referenced as 4111, which helps simplify cross-checking during maintenance and catalog lookup.
This spark plug is a practical choice for owners and technicians servicing older vehicles and small-engine applications that specify this configuration. It is commonly searched as an NGK BP5HS spark plug for Volkswagen Beetle and other classic import applications, and it also appears in searches for NGK 4111 ignition replacement parts. This part cross-references Autolite 275 and DENSO Auto Parts 4019 for the same application.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from inconsistent spark delivery
- Misfire conditions related to aged ignition components
- Reduced throttle response from degraded plug performance
- Maintenance intervals requiring a direct spark plug replacement
Installation Notes and Tips
Verify the engine’s required thread diameter, reach, seat type, and heat range before installation. Check the pre-gap against the vehicle service specification, and confirm the removable nut terminal matches the ignition lead or coil connection. For fitment-focused searches, this plug is often referenced for Volkswagen Beetle spark plug replacement and similar classic import tune-up applications; always match the engine specification before installation.
Quality Assurance
NGK is a major OE supplier of spark plugs in North America and manufactures ignition components for a broad range of automotive, motorcycle, marine, and small-engine applications. The BP5HS is built to original-equipment standards for consistent durability and operational performance.
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|---|---|---|---|---|
| No rows match your filter. | ||||