Top 8 Iridium Spark plug UK – Car Spark Plugs

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1. Autolite

XP3923 4 Pack, Autolite Iridium XP Automotive Replacement Spark Plugs

Autolite - Extended change interval: the autolite iridium xp automotive replacement spark plug is engineered to last for up to 100, 000 miles depending on engine type making it one of the most durable spark plugs on the market today.

Construction: every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability. Optimal performance: this replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.

Fuel efficiency: these spark plugs utilize a 06mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Autolite advantage: autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
BrandAutolite
ManufacturerFRAM
Height2.54 cm (1 Inches)
Length8.59 cm (3.38 Inches)
Width10.16 cm (4 Inches)
Part NumberXP3923
ModelXP3923-4PK

2. Bosch

Spark Plugs Double Iridium, 1 piece, Bosch FR7KI332S

Bosch - Corrosion protection: outstanding engine protection due to anti-seize nickel-plated housing and thread. Excellent wear resistance: precious metal alloy at center and ground electrode. High durability: service life according to vehicle manufacturers requirement.

Please use the vehicle identification to confirm compatibility with your vehicle. Please note that the specified oe reference numbers do not constitute an exhaustive list. High robustness: special ceramic material with high dielectric and mechanical strength; high gas tightness due to hot shrink assembly. Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary; Bosch advices not to lubricate the thread.

Use the parts search tools at the top of this page to find out the correct spark plug for your vehicle. Requested tightening torque or angle see on package. Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers. First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine. All restrictions must be observed.
BrandBosch
ManufacturerBosch
Height9 cm (3.54 Inches)
Length2 cm (0.79 Inches)
Weight0.04 kg (0.09 Pounds)
Width3 cm (1.18 Inches)
Part NumberFR7KI332S
ModelFR7KI332S

3. CHAMPION

Champion Iridium 9803 Spark Plug Carton of 1, RC8WMPB4

CHAMPION - Champion iridium - Maximum Performance. Maintains stable operating temperature under all engine loads. Heat-active alloy allows electrodes to reach optimal temperature quickly. Fine-wire center electrode and V-trimmed for greater ignitability. V-trimmed ground electrode promotes sharper spark focus. Premium Spark Plug. Iridium center electrode delivers maximum life.
BrandCHAMPION
ManufacturerChampion Spark Plug
Height2.54 cm (1 Inches)
Length2.29 cm (0.9 Inches)
Width9.65 cm (3.8 Inches)
Part Number9803 (RC8WMPB4)
Model9803

4. Bosch

Bosch FR6KI332S, Spark Plugs Double Iridium, 1 piece

Bosch - All restrictions must be observed. Use the parts search tools at the top of this page to find out the correct spark plug for your vehicle. Corrosion protection: outstanding engine protection due to anti-seize nickel-plated housing and thread.

Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers. High robustness: special ceramic material with high dielectric and mechanical strength; high gas tightness due to hot shrink assembly. High durability: service life according to vehicle manufacturers requirement. Requested tightening torque or angle see on package. Please note that the specified oe reference numbers do not constitute an exhaustive list.

Please use the vehicle identification to confirm compatibility with your vehicle. Excellent wear resistance: precious metal alloy at center and ground electrode. Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary; Bosch advices not to lubricate the thread. First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine.
BrandBosch
ManufacturerBosch
Height3.23 cm (1.27 Inches)
Length0.87 cm (0.34 Inches)
Weight0.04 kg (0.09 Pounds)
Width1.02 cm (0.4 Inches)
Part NumberFR6KI332S
ModelFR6KI332S

5. NGK

Box of 4, NGK 6418-4PK Iridium IX Spark Plug

NGK - Trivalent metal plating provides superior anti-corrosion and anti-seizing properties; Part number of spark plug inside the box: BKR6EIX. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines.

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect.
BrandNGK
ManufacturerNGK
Height2.11 cm (0.83 Inches)
Length10.26 cm (4.04 Inches)
Weight0.05 kg (0.1 Pounds)
Width8.61 cm (3.39 Inches)
Part Number6418
Model6418-4PK

6. NGK

4 New NGK Iridium IX Spark plug BKR8EIX # 2668

NGK - Ngk is the world's largest supplier of OEM spark plugs. This listing is for 4 Spark Plugs. Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity. Offering the quality, reliability and Durability You'd Expect from an OEM Manufacturer. Research applications prior to purchase to Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
BrandNGK
ManufacturerNGK
Height12.7 cm (5 Inches)
Length10.16 cm (4 Inches)
Width10.16 cm (4 Inches)
Part NumberNGK BKR8EIX
Model2668

7. Bosch

Spark Plugs Double Iridium, Bosch AR5SII3320S, 1 piece

Bosch - Corrosion protection: outstanding engine protection due to anti-seize nickel-plated housing and thread. Use the parts search tools at the top of this page to find out the correct spark plug for your vehicle. Please note that the specified oe reference numbers do not constitute an exhaustive list.

Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary; Bosch advices not to lubricate the thread. All restrictions must be observed. Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers. Excellent wear resistance: precious metal alloy at center and ground electrode. Requested tightening torque or angle see on package.

Please use the vehicle identification to confirm compatibility with your vehicle. High durability: service life according to vehicle manufacturers requirement. High robustness: special ceramic material with high dielectric and mechanical strength; high gas tightness due to hot shrink assembly. First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine.
BrandBosch
ManufacturerBosch
Height7.8 cm (3.07 Inches)
Length23.75 cm (9.35 Inches)
Weight0.03 kg (0.07 Pounds)
Width13.99 cm (5.51 Inches)
Part Number96338
Model96338

8. Bosch

Bosch FR6KII332S, 1 piece, Spark Plugs Double Iridium

Bosch - Requested tightening torque or angle see on package. Corrosion protection: outstanding engine protection due to anti-seize nickel-plated housing and thread. High durability: service life according to vehicle manufacturers requirement.

Excellent wear resistance: precious metal alloy at center and ground electrode. Use the parts search tools at the top of this page to find out the correct spark plug for your vehicle. High robustness: special ceramic material with high dielectric and mechanical strength; high gas tightness due to hot shrink assembly. First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine.

All restrictions must be observed. Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers. Please note that the specified oe reference numbers do not constitute an exhaustive list. Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary; Bosch advices not to lubricate the thread. Please use the vehicle identification to confirm compatibility with your vehicle.
BrandBosch
ManufacturerBosch
Height9 cm (3.54 Inches)
Length2 cm (0.79 Inches)
Weight0.04 kg (0.09 Pounds)
Width3 cm (1.18 Inches)
Part Number0 242 240 707
Model0242240707