NGK 4636 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the NGK 4636.
The NGK 4636 is a 14mm thread, 19mm 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 | K16PR-U11 | Copper | Buy |
| Denso | K16TT | Copper | Buy |
| ACDelco | 41-608 | — | Buy |
| ACDelco | 41-611 | — | Buy |
| ACDelco | FR3CLS6 | — | Buy |
| Bosch | FR8DCY | Copper | Buy |
| SFE45CPR13 | — | Buy | |
| Champion | CCH89 | Copper | Buy |
| Champion | RC12YC5 | Copper | Buy |
| Champion | RC12YC5/014 | Copper | Buy |
| Champion | RC12YC5/T04 | Copper | Buy |
| Denso | 267700-7431 | — | Buy |
| Denso | Q16PR-U15 | Copper | Buy |
| RFC42LS6 | — | Buy | |
| CT5KMMR11 | — | Buy | |
| Split Fire | SF392D6 | — | Buy |
Vehicles the 4636 fits
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.