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NGK IRIDIUM IX Spark Plug | BKR5EIX11

Acura, Geo, Honda, Hyundai, Infiniti, Isuzu, Jaguar, Kia, Land Rover, Lexus & more
$9.69
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$10.09
List
$11.10
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Make Sure It Fits

P/N: BKR5EIX11 NGK IRIDIUM IX
Cross References:
  • 5464
  • W01331632106
  • W01331635323

Spark plugs provide the spark needed to ignite the air/fuel mixture in each cylinder for engine combustion. High voltage from the ignition coil is transferred through the spark plug to an air gap between the spark plug tip and the spark plug ground to the engine. Once the voltage reaches the air gap, the voltage jumps the gap in the form of a spark, igniting a compressed air fuel charge inside the cylinder. The air fuel charge explodes, creating the force needed to push the cylinder down and turning the engine crankshaft to propel the engine. In short, spark plugs serve a vital function in keeping your vehicle running properly.

Components of a Spark Plug
  • A metal terminal that connects to the ignition system
  • A center electrode for current to flow through the spark plug with a tip for the current to jump making the spark
  • A ribbed ceramic insulator to keep current flowing through the spark plug center electrode and not into other parts of the engine
  • A threaded metal case to anchor the spark plug into the cylinder head with a ground electrode for the spark to jump to
  • A seal to seal the spark plug case to the cylinder head to prevent cylinder compression from escaping
Types of Spark Plugs

The biggest differences in spark plug construction are the materials used for the electrodes, their conductivity, and their wearability.

  • Copper is the base material for the center electrode on most spark plugs as it provides superb conductivity. These tend to wear quickly from the electrical transfer created by the spark and fully copper spark plugs need to be replaced every 15,000 miles.
  • Copper core spark plugs with yttrium or nickel tipped electrodes and grounds take longer to wear and can last up to 30,000 miles.
  • Platinum tipped copper core electrodes wear even less, provide superior conductivity, and can last up to 60,000 miles.
  • Iridium tipped copper core spark plugs wear the least and can last over 100,000 miles.

When a spark plug fails prematurely it will provide a weak spark or no spark at all. Causes of premature spark plug failure can include oil leaking from the valve cover into the spark plug chamber, your engine running too lean and overheating the spark plug, and your engine running too rich and fuel fouling the plug.

Most engines are designed to run on only one type of spark plug based on its use. Be sure to check your owner’s manual for the right type of spark plug needed for your vehicle.

View more NGK Spark Plugs.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Frequently Viewed Together

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What This NGK IRIDIUM IX Spark Plug Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Acura
96-04 - RL Base, Premium, SE
Iridium Resistor
96-99 - SLX Base, Premium
Iridium Resistor
95-98 - TL Base, Premium
Iridium Resistor
92-94 - Vigor GS, LS
Iridium Resistor
Geo
92-93 - Storm 2+2 GSi
Iridium Resistor L4; Cylinder Head Type: DOHC
Honda
98-02 - Passport 4WD EX, LX
Iridium Resistor
98-02 - Passport RWD EX, LX
Iridium Resistor
Hyundai
95-11 - Accent Base, Blue, GL, GLS, GS & more
Iridium L4 Resistor
97-05 - Accent GL, GLS, GS, GSi, GT & more
Iridium Resistor
96-96 - Accent Base, GT, L
Iridium Resistor; Cylinder Head Type: DOHC
11-11 - Azera GLS
Iridium Resistor
11-12 - Elantra Touring GLS, Touring SE
2.0L Iridium Resistor L4
96-10 - Elantra Base, Blue, GL, GLS, GT & more
Iridium Resistor
05-05 - Santa Fe
Iridium Resistor
01-05 - Santa Fe 4WD GL, GLS, LX
Iridium Resistor
01-05 - Santa Fe FWD GL, GLS, LX
Iridium Resistor
93-95 - Scoupe Base, LS
Iridium Resistor; Engine VIN: J
02-05 - Sonata GL, GLS, LX
Iridium Resistor
03-04 - Tiburon
2.0L Iridium Resistor L4
97-97 - Tiburon Base, FX
Iridium L4 Resistor
98-05 - Tiburon Base, FX, GT, SE
Iridium Resistor
05-05 - Tucson 4WD GL
2.0L Iridium Resistor L4
05-05 - Tucson FWD GL
2.0L Iridium Resistor L4
01-01 - XG300 Base, L
Iridium Resistor
02-05 - XG350 Base, L
Iridium Resistor
Infiniti
97-00 - QX4
Iridium Resistor
Isuzu
99-00 - Amigo 4WD S
Iridium L4 Resistor
98-00 - Amigo 4WD S
Iridium Resistor
99-00 - Amigo RWD S
Iridium L4 Resistor
98-00 - Amigo RWD S
Iridium Resistor
02-02 - Axiom 4WD Base, XS
Iridium Resistor
02-02 - Axiom RWD Base, XS
Iridium Resistor
98-02 - Rodeo 4WD LS, LSE, S
Iridium L4 Resistor
97-02 - Rodeo 4WD LS, LSE, S, S V6
Iridium Resistor
98-02 - Rodeo RWD LS, LSE, S
Iridium L4 Resistor
97-02 - Rodeo RWD LS, LSE, S, S V6
Iridium Resistor
01-02 - Rodeo Sport S
Iridium L4 Resistor
01-02 - Rodeo Sport 4WD S V6
Iridium Resistor
01-02 - Rodeo Sport RWD S V6
Iridium Resistor
96-99 - Trooper LS, Ltd, S, SE
Iridium Resistor
00-02 - Trooper 4WD Limited, LS, S
Iridium Resistor
00-02 - Trooper RWD Limited, LS, S
Iridium Resistor
99-01 - VehiCROSS
Iridium Resistor
Jaguar
00-07 - S-Type Base, R, Sport, VDP Edition
Iridium Resistor
05-07 - Super V8 Base, Portfolio
Iridium Resistor
98-07 - Vanden Plas Base, RWD
Iridium Resistor
98-07 - XJ8 Base, L, Sport
Iridium Resistor
04-07 - XJR
Iridium Resistor
07-07 - XK
Iridium Resistor
97-06 - XK8 Base, Victory Edition
Iridium Resistor
03-07 - XKR Base, Victory Edition
Iridium Resistor
Kia
11-11 - Rio Base, LX, SX
Iridium L4 Resistor
09-10 - Rio Base, LX, SX
Iridium Resistor
11-11 - Rio5 LX, SX
Iridium L4 Resistor
09-10 - Rio5 LX, SX
Iridium Resistor
02-10 - Sedona Base, EX, LX
Iridium Resistor
95-95 - Sephia GS, LS, RS
Iridium Resistor L4; Cylinder Head Type: SOHC
94-94 - Sephia GS, LS, RS
Iridium Resistor; Cylinder Head Type: SOHC
10-10 - Sportage AWD LX
2.0L Iridium Resistor L4
05-10 - Sportage AWD EX, LX
Iridium Resistor
10-10 - Sportage FWD LX
2.0L Iridium Resistor L4
05-10 - Sportage FWD EX, LX
Iridium Resistor
Land Rover
05-09 - LR3 HSE, HSE Lux, SE
Iridium Resistor
06-09 - Range Rover HSE, Supercharged
Iridium Resistor
06-09 - Range Rover Sport HSE, LE, Supercharged
Iridium Resistor
Lexus
94-97 - GS300
Iridium Resistor
92-00 - SC300
Iridium Resistor
Mazda
11-14 - 2 Sport, Touring
Iridium Resistor
93-02 - 626 DX, ES, LX
2.0L Iridium Resistor L4
92-95 - 929
Iridium Resistor
94-05 - Miata Base, LS, M Edition, Mazdaspeed, SE & more
Iridium Resistor
96-96 - MPV DX
Iridium Resistor
96-98 - MPV 4WD ES, LX
Iridium Resistor
96-98 - MPV RWD ES, LX
Iridium Resistor
92-95 - MX-3
Iridium L4 Resistor
92-94 - MX-3 GS, SE
Iridium Resistor
93-97 - MX-6
2.0L Iridium Resistor L4
95-99 - Protege DX, ES, LX
Iridium L4 Resistor
90-91 - Protege 4WD, DX, LX, SE
Iridium Resistor L4; Cylinder Head Type: SOHC
92-94 - Protege Base, DX, LX
Iridium Resistor; Cylinder Head Type: SOHC
02-03 - Protege5
Iridium Resistor
Mercedes
01-05 - C240 Base, 4Matic
Iridium Resistor
99-00 - C280
Iridium Resistor
01-05 - C320 Base, 4Matic
Iridium Resistor
98-00 - C43 AMG
Iridium Resistor
98-05 - CL500
Iridium Resistor
01-02 - CL55 AMG
Iridium Resistor
98-05 - CLK320
Iridium Resistor
99-02 - CLK430
Iridium Resistor
98-03 - E320 Base, 4Matic
Iridium Resistor
98-02 - E430 Base, 4Matic
Iridium Resistor
99-02 - E55 AMG
Iridium Resistor
02-05 - G500
Iridium Resistor
98-03 - ML320
Iridium Resistor
99-01 - ML430
Iridium Resistor
02-05 - ML500
Iridium Resistor
00-03 - ML55 AMG
Iridium Resistor
00-05 - S500 Base, 4Matic
Iridium Resistor
01-02 - S55 AMG
Iridium Resistor
98-00 - SL600
Iridium Resistor
Mitsubishi
97-02 - Diamante Base, ES, LS, VR-X
Iridium Resistor
96-05 - Eclipse GS, RS, Spyder GS
Iridium L4 Resistor
04-06 - Endeavor AWD Limited, LS, XLS
Iridium Resistor
04-06 - Endeavor FWD Limited, LS, XLS
Iridium Resistor
92-92 - Expo
Iridium Resistor
92-95 - Expo AWD Base, SP
Iridium Resistor
92-95 - Expo FWD Base, SP
Iridium Resistor
93-94 - Expo LRV Base, Sport
Iridium L4 Resistor
92-92 - Expo LRV
Iridium Resistor
93-93 - Expo LRV AWD
Iridium L4 Resistor
92-92 - Expo LRV AWD Sport
Iridium Resistor
93-93 - Expo LRV FWD
Iridium L4 Resistor
92-92 - Expo LRV FWD Sport
Iridium Resistor
99-02 - Galant DE, ES, LS
Iridium L4 Resistor
95-06 - Galant DE, ES, GTS, LS, S
Iridium Resistor
04-06 - Lancer ES, LS, OZ Rally, SE
2.0L L4 Iridium Resistor
02-02 - Lancer ES, LS, OZ Rally
Iridium Resistor
93-02 - Mirage DE, ES, LS
Iridium L4 Resistor
94-02 - Montero Base, Limited, LS, SR, XLS
Iridium Resistor
Nissan
95-98 - 200SX Base, SE-R
2.0L L4 Iridium Resistor
93-94 - 240SX Base, SE
Iridium L4 Resistor
91-98 - 240SX Base, LE, SE
Iridium Resistor L4
90-96 - 300ZX Base, 2+2
Iridium Resistor
93-01 - Altima GLE, GXE, SE, XE
Iridium Resistor L4
02-04 - Frontier SVE
Iridium Resistor
98-03 - Frontier
Iridium Resistor L4
99-04 - Frontier 4WD SC, SE, XE
Iridium Resistor
98-04 - Frontier 4WD SE, XE
Iridium Resistor L4
99-04 - Frontier RWD SC, SE, XE
Iridium Resistor
98-04 - Frontier RWD SE, XE
Iridium Resistor L4
95-01 - Maxima GLE, GXE, SE, SE 20th Anniversary Edition
Iridium Resistor
91-93 - NX SE, XE
Iridium Resistor
96-99 - Pathfinder SE
Iridium Resistor
96-00 - Pathfinder 4WD LE, SE, XE
Iridium Resistor
96-00 - Pathfinder RWD LE, SE, XE
Iridium Resistor
99-02 - Quest GLE, GXE, SE
Iridium Resistor
00-01 - Sentra CA, SE
2.0L L4 Iridium Resistor
92-99 - Sentra Base, E, GLE, GXE, Limited Edition & more
Iridium Resistor
Saab
05-05 - 9-2X Linear
Iridium Resistor
Subaru
03-06 - Baja Base, Sport
Iridium Resistor
98-10 - Forester Base, L, S, Sports 2.5 X, X & more
Iridium Resistor
07-07 - Forester X, X L.L. Bean Edition
Iridium Resistor; Cylinder Head Type: SOHC
04-04 - Forester X, XS
Resistor Iridium
05-10 - Impreza 2.5i, 2.5i Premium, Outback Sport, RS
Iridium Resistor
99-02 - Impreza L, Outback, RS, TS
Iridium Resistor; Cylinder Head Type: SOHC
03-08 - Legacy 2.5i, 2.5i Limited, 2.5i Special Edition, GT, i & more
Iridium Resistor
97-99 - Legacy Brighton, GT, GT Limited, L, L 30th Anniversary & more
Iridium Resistor; Cylinder Head Type: DOHC
03-08 - Outback Base, 2.5i, 2.5i Basic, 2.5i L.L. Bean Edition, 2.5i Limited & more
Iridium Resistor
09-09 - Outback 2.5i, 2.5i Limited, 2.5i Special Edition
Iridium Resistor; Cylinder Head Type: SOHC
Suzuki
02-05 - Aerio GS, S, SX
Iridium Resistor
03-07 - Aerio AWD Base, GS, LX, Premium, SX
Iridium Resistor
03-07 - Aerio FWD Base, GS, LX, Premium, SX
Iridium Resistor
02-02 - Esteem GL, GLX, GLX Plus
Iridium Resistor
00-02 - Grand Vitara JLS, JLS Plus, JLS Plus SE, JLX, JLX Plus & more
Iridium Resistor
00-05 - Grand Vitara 4WD Base, EX, Limited, LX, XL-7 4WD & more
Iridium Resistor
00-05 - Grand Vitara RWD Base, EX, Limited, LX, XL-7 Limited RWD & more
Iridium Resistor
07-09 - SX4 Base, Sport
Iridium Resistor
08-09 - SX4 AWD
Iridium Resistor
08-09 - SX4 FWD
Iridium Resistor
05-05 - Verona EX, LX, S
Iridium Resistor
00-02 - Vitara JLS, JLX, JS, JX
2.0L L4 Iridium Resistor; Cylinder Head Type: DOHC
03-03 - Vitara 4WD
2.0L L4 Iridium Resistor; Cylinder Head Type: DOHC
04-04 - Vitara 4WD LX
Iridium Resistor
03-03 - Vitara RWD
2.0L L4 Iridium Resistor; Cylinder Head Type: DOHC
04-04 - Vitara RWD LX
Iridium Resistor
02-04 - XL-7 4WD 4WD, EX 4WD, Limited 4WD, LX 4WD, Plus 4WD & more
Iridium Resistor
02-04 - XL-7 RWD EX RWD, Limited RWD, LX RWD, Plus RWD, RWD & more
Iridium Resistor
Toyota
96-96 - 4Runner Limited
Iridium Resistor
96-01 - 4Runner 4WD Base, Limited, SR5
Iridium Resistor
02-02 - 4Runner 4WD Limited, SR5
Iridium To 8/02 Resistor
96-01 - 4Runner RWD Base, Limited, SR5
Iridium Resistor
02-02 - 4Runner RWD Limited, SR5
Iridium To 8/02 Resistor
90-90 - Celica GT, GTS
Iridium Resistor
00-05 - Celica GT
Resistor Iridium
98-04 - Corolla CE, LE, S, VE
Iridium Resistor
08-08 - Corolla CE, LE, S
Iridium Resistor To 1/08; Manufacturer Body Code: ZZE130
07-07 - Corolla CE, LE, S
Iridium Resistor; Manufacturer Body Code: ZZE130
05-06 - Corolla CE, LE, S
Resistor Iridium
07-08 - Matrix Base, XR
Iridium Resistor L4
03-06 - Matrix AWD Base, XR
Iridium Resistor L4
03-06 - Matrix FWD Base, XR
Iridium Resistor L4
91-91 - MR2
L4 Iridium Resistor To 7/91
00-05 - MR2 Spyder
Iridium Resistor
92-98 - Paseo Base, Convertible
Iridium Resistor
91-95 - Previa AWD DX, LE
Iridium Resistor
91-95 - Previa RWD DX, LE
Iridium Resistor