DENSO K16TT Nickel TT Spark Plugs (Pack of 4)
Replacement DENSO Nickel TT spark plug for Mazda MX-5 1.8 Mk1 (NA), Mazda MX-5 1.8 Mk2 / Mk2.5 (NB), Mazda 323, Mazda 626, Mazda MX-3, Mazda MX-6, Mazda Premacy and Mazda Xedos models using the matching Mazda spark plug references.
It is designed to support reliable ignition by delivering a strong spark across DENSO’s Nickel TT twin-tip electrode design.
This spark plug is aimed first at the listed Mazda MX-5 1.8 Mk1 (NA) and Mazda MX-5 1.8 Mk2 / Mk2.5 (NB) applications, plus the other listed Mazda petrol applications where K16TT, or a matching Mazda OE spark plug reference, is specified. Always compare the existing plug type, thread, reach, heat range and OE reference before fitting.
DENSO Nickel TT spark plugs use a twin-tip design with a thin centre electrode and protruding ground electrode to help improve ignitability, combustion stability and everyday drivability.
- Plug type: Nickel TT spark plug
- Thread diameter: 14 mm
- Thread reach: 19 mm
- Hex size: 16 mm
- Spark gap: 1.0 mm
- Projection: 1.5 mm
- Spark position: 3 mm
- Terminal shape: S / Solid SAE
- Resistor: 5 kΩ
- DENSO P/N: 267700-7431
- GTIN: 042511046030
- Brand: DENSO
- Part No.: K16TT
Why DENSO? DENSO is a long-established ignition manufacturer, with aftermarket spark plugs engineered to provide reliable starting, stable combustion and dependable service performance. The Nickel TT range brings twin-tip ignition technology to a wide range of everyday replacement applications.
What’s in the box: 4 DENSO K16TT Nickel TT spark plugs.
Installation notes: Fit using the correct plug socket and torque procedure for the engine, avoid cross-threading, set or confirm the plug gap only where the vehicle service data requires it and always confirm fitment by VIN, engine code, plug dimensions and OE reference before purchase.
| Make | Model | Chassis / Code | Years | Power (PS) | Engine Codes | Fuel / Notes |
|---|---|---|---|---|---|---|
| Mazda | MX-5 Mk1 (NA) 1.8 | NA8C | 1994-1998 | 130 / 131 | BP / BP-ZE / BPF1 | Petrol; Nickel TT spark plug; MX-5 1.8 only |
| Mazda | MX-5 Mk2 / Mk2.5 (NB) 1.8 | NB8C | 1998-2005 | 139 / 140 / 146 | BP5A / BP6J / BP-ZE | Petrol; Nickel TT spark plug; MX-5 1.8 only |
| Mazda | 323 C IV (BG) 1.8 16V GT | BG | 09.1989-03.1993 | 128 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 C V (BA) 1.3 16V | BA | 08.1994-09.1998 | 73 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 C V (BA) 1.5 16V | BA | 08.1994-09.1998 | 88 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 C V (BA) 1.8 16V | BA | 08.1994-09.1998 | 114 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 F / P VI (BJ) 1.4 | BJ | 01.2001-05.2004 | 72 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 F / P VI (BJ) 1.5 16V | BJ | 09.1998-01.2001 | 88 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 F / P VI (BJ) 1.9 16V | BJ | 09.1998-01.2001 | 114 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 F / P VI (BJ) 2.0 | BJ | 01.2001-05.2004 | 131 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 F V (BA) 1.5 16V | BA | 07.1994-09.1998 | 88 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 F V (BA) 1.8 16V | BA | 08.1994-09.1998 | 114 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 S V (BA) 1.3 16V | BA | 08.1994-09.1998 | 73 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 S V (BA) 1.5 16V | BA | 08.1994-09.1998 | 88 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 S V (BA) 1.8 16V | BA | 08.1994-09.1998 | 114 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 S VI (BJ) 1.3 | BJ | 01.2001-05.2004 | 72 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 S VI (BJ) 1.5 16V | BJ | 09.1998-01.2001 | 88 | — | Petrol; Nickel TT spark plug |
| Mazda | 323 S VI (BJ) 1.9 16V | BJ | 09.1998-05.2004 | 114 | — | Petrol; Nickel TT spark plug |
| Mazda | 626 IV (GE) 1.8i | GE | 01.1992-04.1997 | 105 | — | Petrol; Nickel TT spark plug |
| Mazda | 626 IV (GE) 2.5 24V | GE | 01.1992-04.1997 | 165 | — | Petrol; Nickel TT spark plug |
| Mazda | 929 III (HC) 3.0 | HC | 06.1987-06.1991 | 190 | — | Petrol; Nickel TT spark plug |
| Mazda | Demio (DW) 1.3 16V | DW | 08.1998-07.2003 | 63 | — | Petrol; Nickel TT spark plug |
| Mazda | Demio (DW) 1.5 16V | DW | 04.2000-07.2003 | 75 | — | Petrol; Nickel TT spark plug |
| Mazda | MX-3 (EC) 1.6i | EC | 11.1993-09.1998 | 107 | — | Petrol; Nickel TT spark plug |
| Mazda | MX-6 (GE) 2.0 | GE | 02.1992-02.1997 | 115 | — | Petrol; Nickel TT spark plug |
| Mazda | MX-6 (GE) 2.5 24V | GE | 02.1992-09.1997 | 165 | — | Petrol; Nickel TT spark plug |
| Mazda | Premacy (CP) 1.9 | CP | 07.1999-03.2005 | 100 / 114 | — | Petrol; Nickel TT spark plug |
| Mazda | Premacy (CP) 2.0 | CP | 11.2001-03.2005 | 131 | — | Petrol; Nickel TT spark plug |
| Mazda | Xedos 6 (CA) 1.6 16V | CA | 04.1994-10.1999 | 107 | — | Petrol; Nickel TT spark plug |
| Mazda | Xedos 9 (TA) 2.0 24V | TA | 08.1993-01.2000 | 143 | — | Petrol; Nickel TT spark plug |
| Mazda | Xedos 9 (TA) 2.5 24V | TA | 07.1993-07.2000 | 167 | — | Petrol; Nickel TT spark plug |
| Vehicle Manufacturer | OEM Reference Number |
|---|---|
| Mazda | 1WT2-18-110 |
| Mazda | 18BP01 |
| Mazda | 1N04-18-110 |
| Mazda | BP01-18-110 |
| Mazda | BP02-18-110 |
| Mazda | BP11-18-110 |
| Mazda | BP12-18-110 |
| Mazda | BP13-18-110 |
| Mazda | BP13-18-110A |
| Mazda | BP47-18-110 |
| Mazda | BP48-18-110 |
| Mazda | BPY1-18-110 |
| Mazda | BPY2-18-110 |
| Mazda | F287-18-110 |
| Mazda | F288-18-110 |
| Mazda | F292-18-110 |
| Mazda | F293-18-110 |
| Mazda | F294-18-110 |
| Mazda | JE42-18-110 |