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$433
Limited availability at this price!
In Stock
Get it by Friday, Jan 9
NGK SPARK PLUGS 6421 Part Description
Manufacturer
Product Description
NGK Standard Spark Plug
Features & Benefits
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
SPARK PLUG
NGK SPARK PLUGS 6421 Specifications
Product Attributes
| Part Number | BM7F |
| Stock Number | 6421 |
| Resistance | 0.0 82 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | J-Gap |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Removable Nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .028 IN |
| Ground Electrode Quantity | 1 |
| Hex Size | 5/8 IN |
| Insulator Height | 40.00 MM |
| Manufacturer Heat Range | 7 |
| Seat Type | Tapered |
| Reach | 0.375 IN |
| Thread Diameter | 14.00 MM |
| Short Style Spark Plug | Yes |
| Service Number | BM7F |
| Washer(s) Included | No |
| Grade Type | Regular |
| Hex Size | 5/8" (16mm) |
| Insulator Height | 1.45 IN |
| Thread Diameter | 0.551 IN |
| Insulator Material | Ceramic |
| Resistor Type | No |
| Skirt Length | 0.0 IN |
| Ground Electrode Tip Material | Nickel |
| Skirt | No |
| Center Electrode Insulator Tip Projection | 0.04 IN |
| Center Electrode Design | Standard |
| Center Electrode Projection | Non-Projected |
Additional Information
| Warranty Time UOM | MO |
| Warranty Time | 2 |
| Country of Origin (Primary) | JP |
| Harmonized Tariff Code (HTS) | 8511100000 |
| UPC | 00087295164211 |
| VMRS Code | 033003005 |
| UNSPSC | 26101732 |
NGK SPARK PLUGS 6421 Part Interchanges
| Brand | Part Number |
|---|---|
| Bosch | 7539, HS5E |
| Champion Spark Plug | 5851, 5851S, 851, 851C, 851ECO, 851EZ, DJ6J |
| DENSO Auto Parts | 6030, 6041, T22M-U, WA22M, WA22M-U |
| Motorcraft | AF3NX |
| Autolite | 2954, XST2954, XST2954DP |
| NGK | 6421 |
| ACDelco | CS41T |
| Torch | N7C, N7RC |
| Oregon | 77-316 |
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NGK SPARK PLUGS 6421 Manufacturer Information
Headquartered in Wixom, Michigan, NGK® is a global leader in the design and manufacture of spark plugs for virtually every automotive and commercial vehicle application. It has grown immensely since its inception in 1936 with the expansion of its ignition product line and the introduction of its technical sensor and vehicle electronics line. NGK partners with OEMs and uses only the latest cutting tools to ensure each NGK product meets OE specifications for exact fit, form, and function. With world-class quality and engineering, NGK’s expertise goes beyond manufacturing the most reliable spark plugs for the automotive industry but also providing the best customer service possible.
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