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Audi A6 C5 Saloon spark plugs iridium and platinum – find the right fit for your vehicle

Top-quality spark plugs platinum and iridium Audi A6 C5 Saloon available at low prices
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AUDI A6 C5 Saloon (4B2) – find the right Spark plugs for your vehicle

Genuine Audi A6 C5 Saloon engine spark plug upgrade — enjoy exclusive savings and deals

Most in-demand Engine spark plugs for AUDI A6 C5 Saloon (4B2)

Top-selling parts in the Engine spark plugs section for AUDI A6 Saloon. Select a high-quality engine spark plugs your AUDI 4B2, C5 A6 Saloon from our trusted range.

-46%
RIDEX 686S0003 genuine Audi A6 C5 Saloon spark plugs cost
Reviews - 31
Parts Details
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode, Unscrewable SAE connector
  • Electrode Gap [mm]: 0,9, 0,8
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Thread Size: M14 x 1,25
  • Assy. / disassy. by qualified personnel required!
  • RIDEX: Spark plug
  • Item number: 686S0003
  • Condition: New
Details
RIDEX 686S0003 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 686S0003
compared to RRP 4,30 €

2, 29 €
Price per item
9,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-66%
RIDEX 686S0007 genuine Audi A6 C5 Saloon spark plugs cost
Reviews - 14
Parts Details
  • Spark Plug: Nickel Middle Electrode, 2 - Earthed Electrode, Fixed SAE connector
  • Electrode Gap [mm]: 1,0
  • Spanner Size: 16 mm
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 5
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 2
  • Tightening angle [degrees]: 90
  • RIDEX: Spark plug
  • Item number: 686S0007
  • Condition: New
Details
RIDEX 686S0007 Spark plug Spanner Size: 16 mm
Article number: 686S0007
compared to RRP 7,70 €

2, 59 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-44%
RIDEX 686S0005 genuine Audi A6 C5 Saloon spark plugs cost
Reviews - 57
Parts Details
  • Product line: Nickel
  • Spark Plug: 2 - Earthed Electrode, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • External Thread [mm]: M14 x 1,25
  • Thread Size 1: 19
  • Tightening Torque [Nm]: 22
  • Diameter: 14
  • Weight [g]: 43
  • Number of pins: 2
  • RIDEX: Spark plug
  • Item number: 686S0005
  • Condition: New
Details
RIDEX 686S0005 Spark plug Spanner Size: 16 mm
Article number: 686S0005
compared to RRP 5,40 €

2, 99 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-53%
RIDEX 686S0034 genuine Audi A6 C5 Saloon spark plugs cost
Reviews - 28
Parts Details
  • Product line: Iridium TT
  • Spark Plug: 1 - Earthed Electrode, Iridium Middle Electrode
  • Spanner Size: 16 mm
  • Thread Size 1: 19
  • Tightening Torque [Nm]: 22
  • Diameter: 14
  • Weight [g]: 43
  • RIDEX: Spark plug
  • Item number: 686S0034
  • Condition: New
Details
RIDEX 686S0034 Spark plug Spanner Size: 16 mm
Article number: 686S0034
compared to RRP 12,10 €

5, 59 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-46%
RIDEX 686S0040 2001 Audi A6 C5 Saloon spark plugs price
Reviews - 29
Parts Details
  • Product line: Industrial
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Platinum Middle Electrode, Connector Type SAE
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1,25
  • Tightening torque from [Nm]: 20
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Projection [mm]: 1,5
  • RIDEX: Spark plug
  • Item number: 686S0040
  • Condition: New
Details
RIDEX 686S0040 Spark plug M14x1,25, Spanner Size: 16 mm
Article number: 686S0040
compared to RRP 11,80 €

6, 29 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-53%
RIDEX 686S0028 2000 Audi A6 C5 Saloon spark plugs price
Reviews - 43
Parts Details
  • Spark Plug: 1 - Earthed Electrode, Iridium Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 4
  • Thread Size: M 14 x 1,25
  • Connector type: SAE / M4
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • RIDEX: Spark plug
  • Item number: 686S0028
  • Condition: New
Details
RIDEX 686S0028 Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 686S0028
compared to RRP 12,90 €

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

Sold by AUTODOC

-62%
BOSCH 0 242 235 666 1999 Audi A6 C5 Saloon spark plugs price
Reviews - 79
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • 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: 0 242 235 666
  • Condition: New
Details
BOSCH FR 7 DC+ Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 0 242 235 666
compared to RRP 7,88 €

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

Sold by AUTODOC

NGK 1496 1998 Audi A6 C5 Saloon spark plugs price
Reviews - 69
Parts Details
  • Product line: LPG Laser Line
  • Spark Plug: Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Size: M14 x 1,25
  • Fuel Type: CNG / LPG
  • Recommended change interval [km]: 60000
  • NGK: Spark plug
  • Item number: 1496
  • Condition: New
Details
NGK LPG1 Spark plug CNG/LPGM14 x 1,25, Spanner Size: 16 mm
Article number: 1496
22, 49 €
Price per item
89,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

NGK 7553 Audi A6 C5 Saloon engine spark plug
Reviews - 6
Parts Details
  • Spark Plug: Nickel Middle Electrode, 3 - Earthed Electrode, Interference Suppression 1 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 5,2
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 7553
  • Condition: New
Details
NGK BKUR5ET-10 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 7553
7, 29 €
Price per item
29,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-60%
BOSCH 0 242 240 653 Audi A6 C5 Saloon spark plug
Reviews - 66
Parts Details
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 4
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 240 653
  • Condition: New
Details
BOSCH FR 6 KI 332 S Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 0 242 240 653
compared to RRP 38,99 €

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

Sold by AUTODOC

-48%
BOSCH 0 242 232 502 Audi A6 C5 Saloon engine spark plugs
Reviews - 71
Parts Details
  • Electrode Gap [mm]: 1
  • Spanner Size: 16 mm
  • Supplementary Info: Super 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: 0 242 232 502
  • Condition: New
Details
BOSCH FR 78 X Spark plug M 14 x 1,25, Spanner Size: 16 mm, Super 4
Article number: 0 242 232 502
compared to RRP 10,87 €

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

Sold by AUTODOC

-47%
BOSCH 0 242 240 593 Audi A6 C5 Saloon spark plugs
Reviews - 52
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • 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: 0 242 240 593
  • Condition: New
Details
BOSCH +13 Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 0 242 240 593
compared to RRP 6,84 €

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

Sold by AUTODOC

-20%
BERU UPT2 2002 Audi A6 C5 Saloon engine spark plug prices
Reviews - 55
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Quality / Grade: Poly-V Tit
  • Supplementary Info: ULTRA TITAN
  • Thread Length [mm]: 19
  • Thread Size: M14x1,25
  • Connector type: SAE / M4
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 30
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • BERU: Spark plug
  • Item number: UPT2
  • Condition: New
Details
BERU UPT2 Spark plug M14x1,25, Spanner Size: 16 mm, Poly-V Tit, ULTRA TITAN
Article number: UPT2
compared to RRP 7,50 €

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

Sold by AUTODOC

-37%
BOSCH 0 242 232 802 2001 Audi A6 C5 Saloon spark plug prices
Reviews - 32
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, 99 €
Price per set of 4 pieces
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-53%
BOSCH 0 242 235 748 2000 Audi A6 C5 Saloon engine spark plugs prices
Reviews - 18
Parts Details
  • Electrode Gap [mm]: 1,35
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 4
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 4
  • BOSCH: Spark plug
  • Item number: 0 242 235 748
  • Condition: New
Details
BOSCH +23 Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 0 242 235 748
compared to RRP 16,34 €

7, 59 €
Price per item
30,36 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-34%
CHAMPION CET2 1999 Audi A6 C5 Saloon spark plugs prices
Reviews - 47
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
  • Resistor to [kOhm]: 10
  • 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
  • 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, 29 €
Price per item
21,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-40%
STARK SKSP-1990035 1998 AUDI A6 C5 Saloon (4B2) spark plug prices
Reviews - 31
Parts Details
  • Spark Plug: Nickel Middle Electrode, 3 - Earthed Electrode, Interference Suppression 1 kOhm, with gasket seat, Fixed SAE connector
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 5,2
  • Thread Size: M14 x 1,25
  • Number of pins: 3
  • STARK: Spark plug
  • Item number: SKSP-1990035
  • Condition: New
Details
STARK SKSP-1990035 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: SKSP-1990035
compared to RRP 5,50 €

3, 29 €
Price per item
13,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

NGK 3045 1997 Audi A6 C5 Saloon engine spark plugs prices
Reviews - 32
Parts Details
  • Product line: V-Line
  • Spark Plug: Nickel Middle Electrode, 3 - Earthed Electrode, Interference Suppression 1 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 5,2
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 3045
  • Condition: New
Details
NGK BKUR6ET-10 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 3045
7, 59 €
Price per item
30,36 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

NGK 5135 2005 AUDI A6 Saloon (4B2, C5) spark plug set prices
Reviews - 47
Parts Details
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 3 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 5,2
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 5135
  • Condition: New
Details
NGK BCPR5ET Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 5135
7, 99 €
Price per item
31,96 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-46%
STARK SKSP-1990002 2004 AUDI A6 C5 Saloon (4B2) spark plugs prices
Reviews - 47
Parts Details
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode, Unscrewable SAE connector
  • Electrode Gap [mm]: 0,9, 0,8
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Thread Size: M14 x 1,25
  • Assy. / disassy. by qualified personnel required!
  • STARK: Spark plug
  • Item number: SKSP-1990002
  • Condition: New
Details
STARK SKSP-1990002 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: SKSP-1990002
compared to RRP 4,30 €

2, 29 €
Price per item
9,16 € / Price per 4 items
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

Spark plugs: components for the most widely used AUDI A6 C5 Saloon (4B2) models

Audi A6 C5 Saloon 1.8
AUDI A6 4B2, C5 1.9:
Audi A6 C5 Saloon 2.0
AUDI A6 4B2, C5 2.4:
Audi A6 C5 Saloon 2.5
AUDI A6 4B2, C5 2.7:
Audi A6 C5 Saloon 2.8
AUDI A6 4B2, C5 3.0:
Audi A6 C5 Saloon 3.7
AUDI A6 4B2, C5 4.2:
Audi A6 C5 Saloon RS6
AUDI A6 4B2, C5 S6 4.2:
Explore great-value discounts on
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Safe Order 200 days
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