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Engine spark plugs SMART FORFOUR vehicles produced in 2025

Spark plugs for SMART FORFOUR 2025 — original part quality for all car models
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Engine spark plugs
SMART FORFOUR 2025

Spark plugs for SMART FORFOUR year 2025 — save with our special offers!

Top 20 most popular engine spark plugs products 2025 SMART FORFOUR vehicles

Buy Spark plugs from our list of top sellers. You have a varied selection from different well known brands and manufacturers Spark plugs SMART FORFOUR build year 2025, as well as from other spare parts sections.

-51%
RIDEX 686S0053 SMART FORFOUR 2025 Engine spark plug
Reviews - 32
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 €

4, 29 €
Price per item
17,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-51%
RIDEX 686S0322 SMART FORFOUR 2025 Spark plug
Reviews - 18
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14
  • External Thread [mm]: 12
  • Thread Length [mm]: 26,5
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • RIDEX: Spark plug
  • Item number: 686S0322
  • Condition: New
Details
RIDEX 686S0322 Spark plug Spanner Size: 14
Article number: 686S0322
compared to RRP 35,10 €

17, 16 €
(Price per set)
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-16%
CHAMPION OE261 SMART FORFOUR 2025 Engine spark plugs
Reviews - 39
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
  • Resistor to [kOhm]: 10
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 25
  • Packaging length [cm]: 9
  • Packaging width [cm]: 2,8
  • Packaging height [cm]: 2,5
  • 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 €

14, 49 €
Price per item
57,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

BERU UPT4 SMART FORFOUR 2025 Spark plug set
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
6, 99 €
Price per item
27,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-25%
DENSO XE20HR-U9 Smart FORFOUR 2025 Spark plugs
Reviews - 12
Parts Details
  • Product line: Nickel
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26,5
  • Thread Size: M12x1.25
  • Connector type: Solid SAE
  • Tightening Torque [Nm]: 17
  • Diameter: 12
  • Weight [g]: 34
  • for OE number: 8200662185
  • alternative item: IXEH20TT
  • DENSO: Spark plug
  • Item number: XE20HR-U9
  • Condition: New
Details
DENSO 3427 Spark plug M12x1.25, Spanner Size: 14 mm
Article number: XE20HR-U9
compared to RRP 9,38 €

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

Sold by AUTODOC

NGK 3850 Smart FORFOUR 2025 Engine spark plug
Reviews - 2
Parts Details
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 19 mm
  • Supplementary Info: Quick
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 3850
  • Condition: New
Details
NGK BMR6A Spark plug M14 x 1,25, Spanner Size: 19 mm, Quick
Article number: 3850
5, 29 €
Price per item
21,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

goCORE GCF860041 Smart FORFOUR 2025 Spark plug
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre 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
  • goCORE: Spark plug
  • Item number: GCF860041
  • Condition: New
Details
goCORE GCF860041 Spark plug M12x1.25, Spanner Size: 14 mm
Article number: GCF860041
7, 99 €
Price per item
31,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

RIDEX PLUS 686S0053P Smart FORFOUR 2025 Engine spark plugs
Reviews - 6
Parts Details
  • Product line: Nickel
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode, Interference Suppression 5 kOhm, Nickel-Copper Center Electrode, Nickel mass electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 4,5, 5
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Tightening torque from [Nm]: 20
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Projection [mm]: 3
  • RIDEX PLUS: Spark plug
  • Item number: 686S0053P
  • Condition: New
Details
RIDEX PLUS 686S0053P Spark plug M12x1.25, Spanner Size: 14 mm
Article number: 686S0053P
6, 99 €
Price per item
27,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

BRISK 1626 Engine spark plug SMART FORFOUR 2025
Parts Details
  • Spark Plug: Iridium Middle Electrode
  • Spanner Size: 14 mm
  • Thread Length 1 [mm]: 26,5
  • Thread Size: M12x1,25
  • Tightening Torque [Nm]: 17
  • Number of pins: 1
  • Fuel Type: Petrol
  • Replace after km: 100000
  • BRISK: Spark plug
  • Item number: 1626
  • Condition: New
Details
BRISK P8 Spark plug PetrolM12x1,25, Spanner Size: 14 mm
Article number: 1626
21, 49 €
85,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

BRISK 1587 Spark plug SMART FORFOUR 2025
Parts Details
  • Spark Plug: Nickel-Copper Center Electrode
  • Electrode Gap [mm]: 0,90
  • Spanner Size: 14 mm
  • Thread Length 1 [mm]: 26,5
  • Thread Size: M12x1,25
  • Tightening Torque [Nm]: 17
  • Number of pins: 1
  • Fuel Type: Petrol
  • Replace after km: 30000
  • BRISK: Spark plug
  • Item number: 1587
  • Condition: New
Details
BRISK MR14LC Spark plug PetrolM12x1,25, Spanner Size: 14 mm
Article number: 1587
14, 49 €
Price per item
57,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-33%
CHAMPION Aerovantage Spoiler CET4 Engine spark plugs SMART FORFOUR 2025
Reviews - 19
Parts Details
  • Product line: Aerovantage Spoiler
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14 mm
  • Quality / Grade: Ti Poly-V
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: CET4
  • Resistor to [kOhm]: 7,5
  • 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
  • Projection [mm]: 3
  • CHAMPION: Spark plug
  • Item number: CET4
  • Condition: New
Details
CHAMPION CET4 Spark plug CET4, M12x1.25, Spanner Size: 14 mm, Ti Poly-V
Article number: CET4
compared to RRP 7,55 €

4, 99 €
Price per item
19,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-44%
CHAMPION Powersport OE130/T10 Spark plugs SMART FORFOUR 2025
Reviews - 16
Parts Details
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14 mm
  • Quality / Grade: Ni125 GE
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: REA8MX
  • Resistor to [kOhm]: 9
  • 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
  • Projection [mm]: 3
  • CHAMPION: Spark plug
  • Item number: OE130/T10
  • Condition: New
Details
CHAMPION REA8MX Spark plug REA8MX, M12x1.25, Spanner Size: 14 mm, Ni125 GE
Article number: OE130/T10
compared to RRP 8,99 €

4, 99 €
Price per item
19,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-27%
SMART FORFOUR 2025 engine spark plug BERU ULTRA Z243
Reviews - 12
Parts Details
  • Product line: ULTRA
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14mm
  • Thread Length [mm]: 26,5
  • Thread Size: M12x1.25
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 25
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Packaging length [cm]: 9
  • Packaging height [cm]: 2
  • Packaging width [cm]: 2
  • BERU: Spark plug
  • Item number: Z243
  • Condition: New
Details
BERU 0 002 230 300 Spark plug M12x1.25, Spanner Size: 14mm
Article number: Z243
compared to RRP 8,30 €

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

Sold by AUTODOC

-59%
SMART FORFOUR 2025 spark plug BOSCH 0 241 235 752
Reviews - 11
Parts Details
  • Electrode Gap [mm]: 1,0
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 6
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 3
  • BOSCH: Spark plug
  • Item number: 0 241 235 752
  • Condition: New
Details
BOSCH F 7 LTCR Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 0 241 235 752
compared to RRP 12,22 €

4, 99 €
Price per item
19,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-10%
SMART FORFOUR 2025 engine spark plugs BERU Z379
Reviews - 30
Parts Details
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 14mm
  • Thread Length [mm]: 26,5
  • Thread Size: M12x1.25
  • Tightening torque from [Nm]: 20, 15
  • Tightening torque to [Nm]: 25
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9, 10
  • Packaging length [cm]: 9
  • Packaging height [cm]: 2
  • Packaging width [cm]: 2
  • Projection [mm]: 15
  • BERU: Spark plug
  • Item number: Z379
  • Condition: New
Details
BERU 12 VR-8 NIPS2 Spark plug M12x1.25, Spanner Size: 14mm
Article number: Z379
compared to RRP 15,60 €

13, 99 €
Price per item
55,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-45%
SMART FORFOUR 2025 spark plugs BOSCH 0 242 129 510
Reviews - 36
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, 29 €
Price per item
25,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-49%
SMART FORFOUR 2025 spark plugs DENSO Iridium TT IXEH20TT
Reviews - 64
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 €

12, 99 €
Price per item
51,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-46%
SMART FORFOUR 2025 spark plugs BOSCH 0 242 140 565
Reviews - 16
Parts Details
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 14
  • 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: 0 242 140 565
  • Condition: New
Details
BOSCH VAR6NIP Spark plug M 12 x 1,25, Spanner Size: 14
Article number: 0 242 140 565
compared to RRP 35,79 €

18, 99 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

SMART FORFOUR 2025 spark plugs BOSCH 0 241 229 560
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
1, 29 €
Price per item
5,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-44%
SMART FORFOUR 2025 spark plugs BOSCH 0 242 135 517
Reviews - 47
Parts Details
  • Electrode Gap [mm]: 0,7
  • 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: 0 242 135 517
  • Condition: New
Details
BOSCH VR 7 SI 332 S Spark plug M 12 x 1,25, Spanner Size: 14
Article number: 0 242 135 517
compared to RRP 31,69 €

17, 49 €
Price per item
69,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

Spark plugs: components SMART FORFOUR models built in 2025

Engine spark plugs 2025 Forfour II
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