/live/media/NG/NG_6422_Fro.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
NGK 6422 Spark Plug
| Brand | NGK 6422 |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 13/16 |
| Insulator Height | 55.00 |
| Manufacturer Heat Range | 7 |
| Part Number | BPR7HS |
| Pre-Gap Size | .028 |
| Reach | .5 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 6422 |
| Thread Diameter | 14.00 |
| Product line | Standard Spark Plug |
| Fits | Yamaha, E-TON, Vento, Bombardier, Kawasaki, Polaris, Suzuki, TGB, Arctic Cat, Kasea, Aprilia, Ducati, Volvo, and Porsche |
OE supplier heritage. Built to original equipment standards for dependable performance.
Copper core. Helps promote consistent ignition and durability.
Standard spark plug. A direct-fit ignition component for routine replacement.
Cross-references AP Exhaust 7531, BENDIX PREMIUM BRAKE SHOES 814 and Carlson 7931 for the same application. See all 28.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
NGK BPR7HS Standard Spark Plug
The NGK BPR7HS standard spark plug is built for dependable ignition performance in a wide range of small-engine and powersports applications. As part of NGK’s Standard Spark Plug line, it uses a copper core center electrode, nickel tip materials, and a 5,000-ohm resistor to support stable spark delivery and reduced electrical noise.
Key Features
- NGK Standard Spark Plug, part number 6422
- Part number BPR7HS for easy cross-reference
- Copper core center electrode with nickel tip material
- Nickel ground electrode with standard tip design
- 5,000-ohm resistance for ignition system noise suppression
- Pre-gapped at .028 for common service applications
- 14 mm thread diameter, .5 reach, flat seat
- 13/16 hex size with removable nut terminal
Product Details
NGK has long supplied original equipment spark plugs for domestic and import vehicles in North America, and this Standard Spark Plug line reflects that OE-focused manufacturing approach. The BPR7HS / 6422 uses a standard ground configuration, a single ground electrode, and a heat range of 7 to support consistent combustion characteristics in the applications it was built for. This spark plug is a practical choice for owners and technicians servicing engines that call for NGK BPR7HS specifications, including select Honda Civic and other vehicle or small-engine applications that use this plug type.
This part cross-references Champion Spark Plug 932-1 and DENSO Auto Parts 4022 for the same application.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from weak or inconsistent spark output
- Misfire conditions related to degraded plug electrodes
- Ignition noise concerns in electrically sensitive systems
- Reduced combustion efficiency from incorrect plug heat range or gap
Installation Notes and Tips
Verify the engine calls for NGK BPR7HS specifications before installation. Check thread diameter, reach, seat type, and heat range against the original plug, and confirm the pre-gap matches the engine requirement. For best results, inspect the ignition wire or coil connection, thread the plug by hand first, and tighten to the manufacturer’s torque specification.
Quality Assurance
NGK is a major OE spark plug supplier with more than 80 years of automotive manufacturing experience. The brand’s North American and global production and distribution network supports consistent product availability and OE-level manufacturing standards for ignition service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||