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AC Cobra Mk4 (291N) spark plugs iridium and platinum

AC Cobra Mk4 (291N) platinum and iridium spark plugs
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Where to buy iridium and platinum AC Cobra Mk4 (291N) spark plugs at a good price? At AUTODOC!

Best spark plugs for AC Cobra Mk4 (291N) — save with our low prices

Engine spark plug AC Cobra Mk4 (291N) car models

AC Cobra Mk4 (291N) 4.9
AC COBRA 291N 5.8:

AUTODOC Bestsellers: buy online at a good price to reduce Cobra Mk4 (291N) spark plugs replacement costs

Best selling replacement part: Spark plugs AC COBRA Mk IV. You have the choice between various Engine spark plugs AC 291N COBRA Mk IV brand manufacturers or to buy another high quality car part

RIDEX 686S0310 2025 AC Cobra Mk4 (291N) spark plugs price uk
Reviews - 8
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • RIDEX: Spark plug
  • Item number: 686S0310
  • Condition: New
Details
RIDEX 686S0310 Spark plug Spanner Size: 20,8
Article number: 686S0310
£ 8,40
(Price per set)
price incl. 20% VAT, excl. delivery costs
-30%
CHAMPION RV15YC4/T10 2024 AC Cobra Mk4 (291N) spark plugs price uk
Reviews - 1
Parts Details
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with taper seat, Copper Centre Electrode
  • Electrode Gap [mm]: 1
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: RV15YC4
  • Tightening torque from [Nm]: 15
  • Tightening torque to [Nm]: 20
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: RV15YC4/T10
  • Condition: New
Details
CHAMPION RV15YC4 Spark plug RV15YC4, M14x1.25, Spanner Size: 16 mm, Nickel GE
Article number: RV15YC4/T10
compared to RRP £ 5,95

£ 4,16
Price per item
price incl. 20% VAT, excl. delivery costs
CHAMPION CCH18S 2023 AC Cobra Mk4 (291N) spark plugs price uk
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with taper seat, Copper Centre Electrode
  • Electrode Gap [mm]: 1
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Technical Information Number: RV15YC4
  • Tightening torque from [Nm]: 15
  • Tightening torque to [Nm]: 20
  • Packaging length [cm]: 16,72
  • Packaging width [cm]: 11,74
  • Packaging height [cm]: 10,7
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: CCH18S
  • Condition: New
Details
CHAMPION RV15YC4 Spark plug RV15YC4, M14x1.25, Spanner Size: 16 mm, Nickel GE
Article number: CCH18S
£ 3,97
Price per item
price incl. 20% VAT, excl. delivery costs
DENSO ITF16TT 2022 AC Cobra Mk4 (291N) spark plugs price uk
Parts Details
  • Product line: Iridium TT
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Diameter [mm]: 14
  • Gross Weight [g]: 43
  • alternative item: -
  • DENSO: Spark plug
  • Item number: ITF16TT
  • Condition: New
Details
DENSO IT15 Spark plug M14x1.25,
Article number: ITF16TT
£ 12,52
Price per item
price incl. 20% VAT, excl. delivery costs
NGK 7177 2021 AC Cobra Mk4 (291N) spark plugs price uk
Parts Details
  • Spark Plug: with taper gasket seat, Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 4,0
  • Thread Size: M14 x 1,25
  • Fuel Type: CNG / LPG
  • NGK: Spark plug
  • Item number: 7177
  • Condition: New
Details
NGK UR5IX Spark plug CNG/LPGM14 x 1,25, Spanner Size: 16 mm
Article number: 7177
£ 14,51
Price per item
price incl. 20% VAT, excl. delivery costs
-20%
NGK 2924 2020 AC Cobra Mk4 (291N) spark plugs price uk
Parts Details
  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 2924
  • Condition: New
Details
NGK BPR5FS-11 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 2924
compared to RRP £ 5,88

£ 4,68
Price per item
price incl. 20% VAT, excl. delivery costs
-20%
NGK 2727 2019 AC Cobra Mk4 (291N) spark plugs price uk
Parts Details
  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 2727
  • Condition: New
Details
NGK BPR4FS-15 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 2727
compared to RRP £ 5,94

£ 4,71
Price per item
price incl. 20% VAT, excl. delivery costs
-22%
NGK 1127 2018 AC Cobra Mk4 (291N) spark plugs price uk
Reviews - 1
Parts Details
  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 1127
  • Condition: New
Details
NGK BPR4FS Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 1127
compared to RRP £ 5,19

£ 4,02
Price per item
price incl. 20% VAT, excl. delivery costs
BOSCH 0 242 235 663 AC Cobra Mk4 (291N) spark plugs
Reviews - 73
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 235 663
  • Condition: New
Details
BOSCH WR 7 DC+ Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 0 242 235 663
£ 3,27
Price per item
price incl. 20% VAT, excl. delivery costs
-55%
STARK SKSP-1990009 Cobra Mk4 (291N) spark plugs
Reviews - 12
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • STARK: Spark plug
  • Item number: SKSP-1990009
  • Condition: New
Details
STARK SKSP-1990009 Spark plug Spanner Size: 20,8
Article number: SKSP-1990009
compared to RRP £ 4,10

£ 1,81
Price per item
price incl. 20% VAT, excl. delivery costs
-38%
DENSO IW20TT AC Cobra Mk4 (291N) spark plugs
Reviews - 13
Parts Details
  • Product line: Iridium TT
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Diameter [mm]: 14
  • Gross Weight [g]: 61
  • alternative item: IW20TT
  • DENSO: Spark plug
  • Item number: IW20TT
  • Condition: New
Details
DENSO 4709 Spark plug M14x1.25,
Article number: IW20TT
compared to RRP £ 20,42

£ 12,52
Price per item
price incl. 20% VAT, excl. delivery costs
-49%
BERU Z117 Cobra Mk4 (291N) spark plugs
Reviews - 3
Parts Details
  • Product line: ULTRA
  • Spark Plug: 1 - Earthed Electrode, with taper seat
  • Electrode Gap [mm]: 1
  • Spanner Size: 16 mm
  • Thread Length [mm]: 17,5
  • Thread Size: M14x1,25
  • Connector type: SAE / M4
  • Technical Information Number: 14 KR-9 DUX
  • Tightening torque from [Nm]: 10
  • Tightening torque to [Nm]: 20
  • BERU: Spark plug
  • Item number: Z117
  • Condition: New
Details
BERU 0002625700 Spark plug 14 KR-9 DUX, M14x1,25, Spanner Size: 16 mm
Article number: Z117
compared to RRP £ 7,02

£ 3,55
Price per item
price incl. 20% VAT, excl. delivery costs
-31%
CHAMPION CCH9804 AC Cobra Mk4 (291N) spark plug replacement
Reviews - 2
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Iridium Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21 mm
  • Quality / Grade: Pt GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: RN8WYPB3
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 10
  • Packaging width [cm]: 2,5
  • Packaging height [cm]: 2,5
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: CCH9804
  • Condition: New
Details
CHAMPION RN8WYPB3 Spark plug RN8WYPB3, M14x1.25, Spanner Size: 21 mm, Pt GE
Article number: CCH9804
compared to RRP £ 24,62

£ 16,78
Price per item
price incl. 20% VAT, excl. delivery costs
-46%
STARK SKSP-1990136 Cobra Mk4 (291N) spark plug replacement
Reviews - 3
Parts Details
  • Product line: Iridium TT
  • Spark Plug: 1 - Earthed Electrode, Iridium Middle Electrode
  • Spanner Size: 20.6
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Tightening Torque [Nm]: 22
  • Diameter [mm]: 14
  • STARK: Spark plug
  • Item number: SKSP-1990136
  • Condition: New
Details
STARK SKSP-1990136 Spark plug M14x1.25, Spanner Size: 20.6
Article number: SKSP-1990136
compared to RRP £ 21,40

£ 11,51
Price per item
price incl. 20% VAT, excl. delivery costs
STARK SKSP-1990068 AC Cobra Mk4 (291N) spark plug replacement
Reviews - 1
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • STARK: Spark plug
  • Item number: SKSP-1990068
  • Condition: New
Details
STARK SKSP-1990068 Spark plug Spanner Size: 20,8
Article number: SKSP-1990068
£ 7,24
(Price per set)
price incl. 20% VAT, excl. delivery costs
STARK SKSP-1990069 Cobra Mk4 (291N) spark plug replacement
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • STARK: Spark plug
  • Item number: SKSP-1990069
  • Condition: New
Details
STARK SKSP-1990069 Spark plug Spanner Size: 20,8
Article number: SKSP-1990069
£ 10,86
(Price per set)
price incl. 20% VAT, excl. delivery costs
RIDEX PLUS 686S0010P AC Cobra Mk4 (291N) spark plug price uk
Reviews - 3
Parts Details
  • Product line: Nickel
  • Spark Plug: Nickel-Copper Center Electrode, Nickel mass electrode
  • Electrode Gap [mm]: 0,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Resistor [kOhm]: 6
  • Spark Plug Head: Fixed SAE connector
  • RIDEX PLUS: Spark plug
  • Item number: 686S0010P
  • Condition: New
Details
RIDEX PLUS 686S0010P Spark plug M 14 x 1,25,
Article number: 686S0010P
£ 3,00
Price per item
price incl. 20% VAT, excl. delivery costs
RIDEX PLUS 686S0137P AC Cobra Mk4 (291N) spark plug price uk
Parts Details
  • Product line: Iridium
  • Spark Plug: 1 - Earthed Electrode, Iridium Middle Electrode, Nickel mass electrode
  • Spanner Size: 20.6
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3,3
  • Thread Size: M14x1,25
  • Connector type: Solid SAE
  • Diameter [mm]: 14
  • Resistor [kOhm]: 6
  • Country Specific Design: Japan
  • RIDEX PLUS: Spark plug
  • Item number: 686S0137P
  • Condition: New
Details
RIDEX PLUS 686S0137P Spark plug M14x1,25, Spanner Size: 20.6
Article number: 686S0137P
£ 11,05
Price per item
price incl. 20% VAT, excl. delivery costs
-34%
CHAMPION CCH409 AC Cobra Mk4 (291N) spark plug price uk
Parts Details
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with taper seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 11,7
  • Spark Position [mm]: 3
  • Thread Size: M18x1.5
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: RF9YC
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 2,4
  • Packaging height [cm]: 2,2
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Projection [mm]: 1,6
  • CHAMPION: Spark plug
  • Item number: CCH409
  • Condition: New
Details
CHAMPION RF9YC Spark plug RF9YC, M18x1.5, Spanner Size: 21 mm, Nickel GE
Article number: CCH409
compared to RRP £ 6,18

£ 4,04
Price per item
price incl. 20% VAT, excl. delivery costs
-27%
VEMO V99-75-0006 AC Cobra Mk4 (291N) spark plug price uk
Reviews - 2
Parts Details
  • Product line: Q+, original equipment manufacturer quality
  • Spark Plug: 3 - Earthed Electrode
  • Electrode Gap [mm]: 0,9
  • Weight [kg]: 0,06
  • Packaging width [cm]: 8,5
  • Packaging height [cm]: 2,4
  • Packaging Depth [cm]: 2,4
  • VEMO: Spark plug
  • Item number: V99-75-0006
  • Condition: New
Details
VEMO V99-75-0006 Spark plug
Article number: V99-75-0006
compared to RRP £ 5,64

£ 4,09
Price per item
price incl. 20% VAT, excl. delivery costs

Spark plugs AC Cobra Mk4 (291N): which brand is better?

According to our customers, the best spare parts in the product category Spark plug set iridium and platinum AC COBRA Mk IV come from the following brands:

  • RIDEX
  • RIDEX PLUS
  • BOSCH
  • NGK
  • STARK

Spark plug AC Cobra Mk4 (291N): how much does this product cost?

The price of car parts within the category Engine spark plugs AC Cobra Mk4 (291N) ranges from £1 to £17, depending on the manufacturer and product specifications.

Safe Order 200 days for spark plugs AC Cobra Mk4 (291N) purchase
Safe Order 200 days
Safe Order 200 days

Confidence in online shopping! You can return AC Cobra Mk4 (291N) spark plugs without explanation within 200 days after purchase and get your money back. How? Just use the Safe Order service at the checkout page. The service cost is only £ 3,95.

Free Shipping for iridium and platinum spark plugs AC Cobra Mk4 (291N) purchase
Free Shipping
Free Shipping

Each order from £ 130 value of goods, include free shipping within Great Britain.
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