NGK 1578 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the NGK 1578.
The NGK 1578 is a 12mm thread, 26.5mm reach spark plug. These specifications are decoded from the NGK part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.
Cross-reference equivalents
| Brand | Part | Metal | Buy |
|---|---|---|---|
| Denso | VXUH22 | Iridium | Buy |
| Denso | XU22HDR9 | Copper | Buy |
| NGK | LZKR6B10E | Copper | Buy |
| Beru | Z308 | — | Buy |
| Beru | Z362 | — | Buy |
| Bosch | VR6NII352U | Iridium | Buy |
| Bosch | VR6NII35U | Iridium | Buy |
| Bosch | YR7SES | Copper | Buy |
| Bosch | YR8SEU | Copper | Buy |
| Brisk | 1709 | — | Buy |
| Brisk | QR15LC-1 | — | Buy |
| Champion | 445 | — | Buy |
| Champion | OE201 | Copper | Buy |
| Champion | OE201/T10 | Copper | Buy |
| Champion | RER8MC | Copper | Buy |
| Denso | 267700-7090 | — | Buy |
| Denso | 5353 | — | Buy |
| Denso | IXUH22 | Iridium | Buy |
| Denso | XU22HR9 | Copper | Buy |
| Denso | XUH22TT | Copper | Buy |
| RZC62HSET | — | Buy | |
| NGK | 91450 | — | Buy |
| DH7RTC-9 | — | Buy |
Affiliate disclosure: As an Amazon Associate and affiliate partner we earn from qualifying purchases. Always confirm fitment against your owner's manual or the manufacturer catalog before buying.