DENSO VK16 Iridium Tough Spark Plug – Long-Life Iridium Performance Plug (M14x1.25, 19mm Reach)

The DENSO VK16 Iridium Tough is engineered for high-mileage reliability, stable ignition, and extended service intervals. Built with an iridium alloy center electrode and a platinum-tipped ground electrode, this plug significantly reduces electrode wear while maintaining consistent combustion efficiency over time.

Designed for modern petrol engines requiring a 14mm thread and 19mm reach, VK16 delivers durable ignition performance under demanding driving conditions — from daily commuting to long-distance travel.

Technical Specifications & Dimensions

Dimensions

• Thread Diameter: 14 mm

• Thread Size: M14 x 1.25

• Thread Length (Reach): 19 mm

• Spanner Size: 16 mm

Spark Plug Configuration

• With resistor

• 1 x Earthed electrode

• Iridium middle electrode

• Platinum-tipped ground electrode

• Connector type: Crimped SAE

• Pre-set electrode gap: 1.1 mm

Installation Data

• Tightening Torque: 22 Nm

Weight

• Net Weight: 43 g

• Gross Weight: 46 g

Trade Numbers

• 5603

• V03

Reference OE Number: 9195868

Performance Advantages

• Superior spark stability under load

• Extended lifespan compared to conventional nickel plugs

• Improved cold starts and smooth idle

• Enhanced throttle response and acceleration

• Optimized fuel efficiency and combustion control

• Reduced misfire risk over long service intervals

Iridium’s high melting point (over 2400°C) ensures exceptional durability, while the platinum ground electrode minimizes erosion — a combination designed for drivers who prefer fewer replacements and maximum reliability.

OEM Reference Numbers

Compatible or cross-referenced with the following manufacturer part numbers:

CHRYSLER

04887 031

DAIHATSU

90048-51158-000
90048-51158-008
99906-910X9-006
NDIK 16 / NDIK 16 A

DODGE

04887 031

HONDA

98079-5514E
98079-5514E-H0
98079-5514J
98079-5515E
98079-5515J
9861-5515K
H9861-5515K

HYUNDAI / KIA

0K23A-18110
18814-11051
18823-11091
18829-11050
PS100-8

NISSAN / INFINITI

22401-1F720
22401-2J200
22401-50Y05
22401-50Y75
22401-85E15
22401-97E15
BY481-BKR5E

TOYOTA / LEXUS

90048-51158
90098-66047
90098-66054
90098-66056
90098-66059
90098-66077
90098-66114
90919-01164
90919-01165
90919-01192
90919-01193
90919-01196
90919-01197
90919-01201
90919-01242
90919-YZZAE

MAZDA

BP01-18-110
BP02-18-110
JE41-18-110
JE42-18-110
PBP01-18-110AA

MITSUBISHI

MS 851 357
MS 851 387
MS 851 727
MZ 602 020
MZ 602 065

ISUZU

5-8600-7635-0
5-8612-3951-0
8-9717-0268-0

SUBARU

22401-KA200
SAB 330 DE 3360
SAB 330 DE 8680

SUZUKI

09482-00497
09482-00566
99000-79J80-K16

Cross-Reference Numbers

Equivalent or alternative references include:

DENSO

IK16
K16TR11
K16TT
K16PRTP11
K16RZU11
PK16TR11
3120
3130
3143
3194

BOSCH

0 242 229 781
0 242 229 782
FR8DCX
FR8DPX
FR8HDC

NGK Equivalent

BKR5EIX-11

CHAMPION

RC8YC4
RE10YC4

ACDelco

FR3CLS6
FR3LS6

BERU

14FR8DUX

Why Choose DENSO VK16?

If your engine specification requires a 14mm thread, 19mm reach, and 1.1mm gap spark plug, the VK16 is a technically precise, long-life solution. It is widely used across Japanese, Korean, and selected American petrol engines.

Before purchase, confirm compatibility using VIN or engine code to ensure correct heat range and specification match.

Order Online

Buy genuine DENSO VK16 Iridium Tough Spark Plugs for reliable ignition performance and extended service life. Suitable for drivers who value durability, efficiency, and long-term engine protection. Nationwide delivery available.