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NGK 4322 Spark Plug
| Brand | NGK 4322 |
|---|---|
| Resistance | 5000 |
| 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 | 8 |
| Seat Type | Flat |
| Reach | .5 |
| Thread Diameter | 14.00 |
| Part Number | Br8hs |
| Stock Number | 4322 |
| Fits | — |
OE supplier legacy. Built to original equipment standards for dependable performance.
Copper core design. Helps deliver consistent ignition performance and durability.
Standard spark plug. A direct-fit replacement for a wide range of applications.
Cross-references Champion Spark Plug 883, Champion Spark Plug 941-1 and Champion Spark Plug 941M for the same application. See all 33.
NGK BR8HS Spark Plug for Reliable Ignition
The NGK BR8HS spark plug is a standard replacement ignition component built for consistent spark delivery and dependable engine operation. As part of NGK’s Standard Spark Plug line, it combines a copper center electrode core, nickel center and ground electrode tips, and a flat seat design for straightforward service on a wide range of small-engine and powersports applications.
Key Features
- NGK Standard Spark Plug, part number 4322 / BR8HS
- 5000 ohm resistor design for ignition noise suppression
- Copper center electrode core for stable conductivity
- Nickel center and ground electrode tip materials
- Standard ground electrode configuration with one ground electrode
- Pre-gapped at .028 inch
- 14.00 mm thread diameter, .5 inch reach, flat seat
- 13/16 inch hex size with removable nut terminal
- Manufacturer heat range 8
Product Details
NGK has built this spark plug around OE-style construction and broad application coverage, drawing on decades of ignition manufacturing experience. The BR8HS uses a standard ground electrode tip design and nickel electrode materials to support dependable combustion performance, while the copper core helps maintain efficient electrical transfer. This part number 4322 is commonly searched by buyers looking for an NGK BR8HS spark plug for motorcycle, marine, and small engine service, including applications where a standard heat range 8 plug is specified.
This part cross-references Champion Spark Plug 883 and DENSO Auto Parts 4037 for the same application.
Common Uses
- Engine misfire caused by worn or fouled spark plugs
- Hard starting from weak or inconsistent spark output
- Rough idle related to ignition wear
- Loss of throttle response from degraded plug performance
- Routine ignition service on small engines and powersports equipment
Installation Notes
Verify the required heat range, thread diameter, reach, and seat type before installation. The BR8HS uses a 14.00 mm thread, .5 inch reach, and flat seat, so it must match the cylinder head specification exactly. Check the pre-gap against the engine manufacturer’s service data before use, and confirm terminal style requirements when replacing an existing plug.
Compatible With select motorcycle, marine, and small engine applications that specify NGK BR8HS or part number 4322. For vehicle-specific service, confirm the exact make, model, and engine callout before installation.
Quality Assurance
NGK is a major OE spark plug supplier in North America and manufactures ignition components to original equipment standards for durability and operational consistency. The BR8HS reflects that OE-focused approach with controlled materials, standardized dimensions, and broad application coverage.
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| No rows match your filter. | ||||