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Smart Roadster Coupe 452 spark plugs iridium and platinum – find the right fit for your vehicle

Top-quality spark plugs platinum and iridium Smart Roadster Coupe 452 available at low prices
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SMART Roadster Coupe (452) – find the right Spark plugs for your vehicle

Genuine Smart Roadster Coupe 452 engine spark plug upgrade — enjoy exclusive savings and deals

Most in-demand Engine spark plugs for SMART Roadster Coupe (452)

Top-selling parts in the Engine spark plugs section for SMART ROADSTER Coupe. Select a high-quality engine spark plugs your SMART 452 ROADSTER Coupe from our trusted range.

-59%
RIDEX 686S0053 genuine Smart Roadster Coupe 452 spark plugs cost
Reviews - 31
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Tightening torque from [Nm]: 20
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Projection [mm]: 3
  • RIDEX: Spark plug
  • Item number: 686S0053
  • Condition: New
Details
RIDEX 686S0053 Spark plug M12x1.25, Spanner Size: 14 mm
Article number: 686S0053
compared to RRP 8,80 €

3,59 €
Price per item
14,36 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-56%
RIDEX 686S0051 genuine Smart Roadster Coupe 452 spark plugs cost
Reviews - 11
Parts Details
  • Product line: Industrial
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Platinum Middle Electrode
  • Electrode Gap [mm]: 1
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Tightening torque from [Nm]: 25
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Projection [mm]: 3,4
  • RIDEX: Spark plug
  • Item number: 686S0051
  • Condition: New
Details
RIDEX 686S0051 Spark plug M14x1.25, Spanner Size: 16 mm
Article number: 686S0051
compared to RRP 10,60 €

4,59 €
Price per item
18,36 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-66%
RIDEX 686S0117 genuine Smart Roadster Coupe 452 spark plugs cost
Reviews - 18
Parts Details
  • Product line: Iridium Tough
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Diameter: 12
  • Gross Weight [g]: 50
  • alternative item: IXUH22FTT
  • RIDEX: Spark plug
  • Item number: 686S0117
  • Condition: New
Details
RIDEX 686S0117 Spark plug Spanner Size: 16 mm
Article number: 686S0117
compared to RRP 23,60 €

7,99 €
Price per item
31,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

NGK 5214 genuine Smart Roadster Coupe 452 spark plugs cost
Reviews - 36
Parts Details
  • Spark Plug: Nickel Middle Electrode, 2 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5,0
  • Thread Size: M12 x 1,25
  • NGK: Spark plug
  • Item number: 5214
  • Condition: New
Details
NGK LKR8A Spark plug M12 x 1,25, Spanner Size: 16 mm
Article number: 5214
7,99 €
Price per item
31,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

MAGNETI MARELLI 062708000017 2004 Smart Roadster Coupe 452 spark plugs price
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with resistor
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Thread Size: M12 x 1.25
  • MAGNETI MARELLI: Spark plug
  • Item number: 062708000017
  • Condition: New
Details
MAGNETI MARELLI SND7017-8 Spark plug M12 x 1.25, Spanner Size: 16 mm
Article number: 062708000017
44,49 €
177,96 € / Price per 4 items
price incl. 21% VAT, free delivery

Sold by AUTODOC

KAMOKA 7090562 2003 Smart Roadster Coupe 452 spark plugs price
Parts Details
  • Electrode Gap [mm]: 0,80
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26
  • Thread Size: M12x1.25
  • KAMOKA: Spark plug
  • Item number: 7090562
  • Condition: New
Details
KAMOKA 9004851198 Spark plug M12x1.25, Spanner Size: 16 mm
Article number: 7090562
12,99 €
51,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

CHAMPION OE211 2005 Smart Roadster Coupe 452 spark plugs price
Reviews - 4
Parts Details
  • Spark Plug: 2 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,6
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Supplementary Info: Screw on
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: RER6DMC
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 25
  • Packaging length [cm]: 8,85
  • Packaging width [cm]: 2,6
  • Packaging height [cm]: 2,35
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Projection [mm]: 2,4
  • CHAMPION: Spark plug
  • Item number: OE211
  • Condition: New
Details
CHAMPION RER6DMC Spark plug RER6DMC, M12x1.25, Spanner Size: 16 mm, Nickel GE, Screw on
Article number: OE211
7,99 €
Price per item
31,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-54%
BOSCH 0 242 140 515 2004 Smart Roadster Coupe 452 spark plugs price
Reviews - 25
Parts Details
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 4
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 140 515
  • Condition: New
Details
BOSCH YR 6 NI 332 S Spark plug M 12 x 1,25, Spanner Size: 16 mm
Article number: 0 242 140 515
compared to RRP 27,65 €

12,49 €
Price per item
49,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-21%
CHAMPION OE261 Smart Roadster Coupe 452 engine spark plug
Reviews - 54
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Iridium Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 14 mm
  • Quality / Grade: Pt GE
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 4,0
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: REA10WYPB
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 25
  • Packaging length [cm]: 9
  • Packaging width [cm]: 2,8
  • Packaging height [cm]: 2,5
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • Projection [mm]: 2,0
  • CHAMPION: Spark plug
  • Item number: OE261
  • Condition: New
Details
CHAMPION REA10WYPB Spark plug REA10WYPB, M12x1.25, Spanner Size: 14 mm, Pt GE
Article number: OE261
compared to RRP 17,26 €

13,49 €
Price per item
53,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-40%
DENSO IKH20TT Smart Roadster Coupe 452 spark plug
Reviews - 48
Parts Details
  • Product line: Iridium TT
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Thread Length [mm]: 26,5
  • Thread Size: M14x1.25
  • Connector type: Solid SAE
  • Gross Weight [g]: 52
  • alternative item: IKH20TT
  • DENSO: Spark plug
  • Item number: IKH20TT
  • Condition: New
Details
DENSO 4704 Spark plug M14x1.25,
Article number: IKH20TT
compared to RRP 25,93 €

15,49 €
Price per item
61,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-30%
BOSCH 0 242 232 515 Smart Roadster Coupe 452 engine spark plugs
Reviews - 42
Parts Details
  • Electrode Gap [mm]: 1,1
  • Spanner Size: 16 mm
  • Supplementary Info: Super 4
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 4
  • BOSCH: Spark plug
  • Item number: 0 242 232 515
  • Condition: New
Details
BOSCH FR 78 NX Spark plug M 14 x 1,25, Spanner Size: 16 mm, Super 4
Article number: 0 242 232 515
compared to RRP 11,57 €

7,99 €
Price per item
31,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-39%
BOSCH 0 242 232 802 Smart Roadster Coupe 452 spark plugs
Reviews - 31
Parts Details
  • Electrode Gap [mm]: 1
  • Spanner Size: 16 mm
  • Supplementary Info: Premium 4
  • Thread Length [mm]: 19
  • Spark Position [mm]: 5
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 4
  • BOSCH: Spark plug
  • Item number: 0 242 232 802
  • Condition: New
Details
BOSCH 510 Spark plug M 14 x 1,25, Spanner Size: 16 mm, Premium 4
Article number: 0 242 232 802
compared to RRP 35,30 €

21,49 €
Price per set of 4 pieces
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-52%
BOSCH 0 241 229 560 2005 Smart Roadster Coupe 452 engine spark plug prices
Reviews - 6
Parts Details
  • Electrode Gap [mm]: 0,5
  • Spanner Size: 20,8
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 17
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 241 229 560
  • Condition: New
Details
BOSCH WKA 145 T 38 Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 0 241 229 560
compared to RRP 6,35 €

2,99 €
Price per item
11,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-36%
DENSO IXEH20TT 2004 Smart Roadster Coupe 452 spark plug prices
Reviews - 55
Parts Details
  • Product line: Iridium TT
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Thread Length [mm]: 26,5
  • Thread Size: M12x1.25
  • Connector type: Solid SAE
  • Gross Weight [g]: 40
  • alternative item: -
  • DENSO: Spark plug
  • Item number: IXEH20TT
  • Condition: New
Details
DENSO 4711 Spark plug M12x1.25,
Article number: IXEH20TT
compared to RRP 25,93 €

16,49 €
Price per item
65,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-13%
DENSO XUH22TT 2003 Smart Roadster Coupe 452 engine spark plugs prices
Reviews - 16
Parts Details
  • Product line: Nickel TT
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Thread Size: M12x1.25
  • Connector type: Solid SAE
  • Tightening Torque [Nm]: 17
  • Diameter: 12
  • Weight [g]: 40
  • for OE number: 1WT518110
  • alternative item: -, IXUH22I, VXUH22I, IX
  • DENSO: Spark plug
  • Item number: XUH22TT
  • Condition: New
Details
DENSO 4615 Spark plug M12x1.25, Spanner Size: 16 mm
Article number: XUH22TT
compared to RRP 6,91 €

5,99 €
Price per item
23,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-30%
CHAMPION CET2 2005 Smart Roadster Coupe 452 spark plugs prices
Reviews - 45
Parts Details
  • Product line: Aerovantage Spoiler
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Quality / Grade: Ti Poly-V
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: CET2
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,85
  • Packaging width [cm]: 2,6
  • Packaging height [cm]: 2,35
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: CET2
  • Condition: New
Details
CHAMPION CET2 Spark plug CET2, Spanner Size: 16 mm, Ti Poly-V
Article number: CET2
compared to RRP 8,02 €

5,59 €
Price per item
22,36 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-39%
BOSCH 0 242 129 510 2004 SMART Roadster Coupe (452) spark plug prices
Reviews - 33
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 129 510
  • Condition: New
Details
BOSCH +40 Spark plug M 12 x 1,25, Spanner Size: 14
Article number: 0 242 129 510
compared to RRP 11,58 €

6,99 €
Price per item
27,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-5%
BERU UPT4 2003 Smart Roadster Coupe 452 engine spark plugs prices
Reviews - 15
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14 mm
  • Quality / Grade: Poly-V Tit
  • Supplementary Info: ULTRA TITAN
  • Thread Length [mm]: 26,5
  • Thread Size: M12x1,25
  • Connector type: SAE
  • Tightening torque from [Nm]: 15
  • Tightening torque to [Nm]: 25
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 7,5
  • BERU: Spark plug
  • Item number: UPT4
  • Condition: New
Details
BERU UPT4 Spark plug M12x1,25, Spanner Size: 14 mm, Poly-V Tit, ULTRA TITAN
Article number: UPT4
compared to RRP 7,00 €

6,59 €
Price per item
26,36 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

NGK 96815 2005 SMART ROADSTER Coupe (452) spark plug set prices
Reviews - 19
Parts Details
  • Product line: V-Line
  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 4,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 96815
  • Condition: New
Details
NGK LFR6C-11 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 96815
7,59 €
Price per item
30,36 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-37%
DENSO IXUH22FTT 2004 SMART Roadster Coupe (452) spark plugs prices
Reviews - 24
Parts Details
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Thread Length [mm]: 26,5
  • Thread Size: M12x1.25
  • Diameter: 12
  • Gross Weight [g]: 41
  • alternative item: IXUH22FTT
  • DENSO: Spark plug
  • Item number: IXUH22FTT
  • Condition: New
Details
DENSO 4743 Spark plug M12x1.25,
Article number: IXUH22FTT
compared to RRP 27,01 €

16,99 €
Price per item
67,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

Spark plugs: components for the most widely used SMART Roadster Coupe (452) models

Smart Roadster Coupe 452 0.7
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