Spark plugs/Glow plugs - Ignition/glow system
A~6811055
ISKRA
Glow Plug 11 721 208
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 134.5
Connector M4
8.10
6.75 £ 11.52 £
Lowest price in 30 days from the promotion is:
8.10 £
ISKRA
Glow Plug 11 721 210
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 96.9
Connector M4
7.64
6.37 £ 10.84 £
Lowest price in 30 days from the promotion is:
7.64 £
ISKRA
Glow Plug 11 721 212
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1
Total length [mm] 181.5
Connector M4
11.02
9.18 £ 15.48 £
Lowest price in 30 days from the promotion is:
11.02 £
ISKRA
Glow Plug 11 721 215
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 120.8
Connector M4
Glow plug design pencil
Cone toe-in 119
8.94
7.45 £ 12.88 £
Lowest price in 30 days from the promotion is:
8.94 £
ISKRA
Glow Plug 11 721 369
Wrench size [mm] 10
Thread size [mm] M8
Thread pitch [mm] 1
Total length [mm] 99.5
Connector M4
Cone toe-in 123
12.48
10.40 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 391
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 81
Connector M4
Cone toe-in 119
10.56
8.80 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 407
Wrench size [mm] 12
Thread size [mm] M10 M4
Thread pitch [mm] 1.25
Total length [mm] 138.5
Connector M4
15.22
12.68 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 412
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 88
Connector M4
Glow plug design pencil
Cone toe-in 119
11.62
9.68 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 430
Wrench size [mm] 10
Thread size [mm] M10
Thread pitch [mm] 1
Total length [mm] 160
Connector M4
14.16
11.80 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 436
Wrench size [mm] 10
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 165
Connector M4
16.80
14.00 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 442
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 129
Connector M4
15.94
13.28 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 453
Wrench size [mm] 10
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 139
Connector M4
15.70
13.08 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 455
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 81
Connector M4
13.14
10.95 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 469
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 154
Connector M4
14.44
12.03 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 512
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 97
Connector M4
7.08
5.90 £ 9.58 £
Lowest price in 30 days from the promotion is:
7.08 £
ISKRA
Glow Plug 11 721 532
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 84
Connector M4
6.12
5.10 £ 8.26 £
Lowest price in 30 days from the promotion is:
6.12 £
ISKRA
Glow Plug 11 721 547
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 90
Connector M4
Glow plug design pencil
Cone toe-in 119
7.31
6.09 £ 9.22 £
Lowest price in 30 days from the promotion is:
7.31 £
ISKRA
Glow Plug 11 721 561
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 68
Connector M4
7.36
6.13 £ 9.46 £
Lowest price in 30 days from the promotion is:
7.36 £
ISKRA
Glow Plug 11 721 576
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 86
Connector M4
10.15
8.46 £ 12.72 £
Lowest price in 30 days from the promotion is:
10.15 £
ISKRA
Glow Plug 11 721 577
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 69
Connector M4
9.11
7.59 £ 12.52 £
Lowest price in 30 days from the promotion is:
9.11 £
ISKRA
Glow Plug 11 721 666
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 95
Connector M4
7.32
6.10 £ 9.34 £
Lowest price in 30 days from the promotion is:
7.32 £
ISKRA
Glow Plug 11 721 691
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 81.5
Connector M4
6.10
5.08 £ 8.40 £
Lowest price in 30 days from the promotion is:
6.10 £
ISKRA
Glow Plug 11 721 692
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 87.5
Connector M4
6.68
5.57 £ 8.34 £
Lowest price in 30 days from the promotion is:
6.68 £
ISKRA
Glow Plug 11 721 700
Wrench size [mm] 12
Thread size [mm] M10
Thread pitch [mm] 1.25
Total length [mm] 96
Connector M4
9.00
7.50 £ 10.48 £
Lowest price in 30 days from the promotion is:
9.00 £
ISKRA
Glow Plug 11 721 705
Wrench size [mm] 10
Thread size [mm] M10
Thread pitch [mm] 1
Total length [mm] 147
Connector M4
7.33
6.11 £ 10.32 £
Lowest price in 30 days from the promotion is:
7.33 £
ISKRA
Glow Plug 11 721 709
Wrench size [mm] 10
Thread size [mm] M10
Thread pitch [mm] 1
Total length [mm] 93
Connector M4
7.21
6.01 £ 9.22 £
Lowest price in 30 days from the promotion is:
7.21 £
ISKRA
Glow Plug 11 721 712
Wrench size [mm] 12
Thread size [mm] M12
Thread pitch [mm] 1.25
Total length [mm] 72
Connector M4
6.54
5.45 £
Lowest price in 30 days from the promotion is:
£
ISKRA
Glow Plug 11 721 731
Wrench size [mm] 10
Thread size [mm] M10
Thread pitch [mm] 1
Total length [mm] 89
Connector M4
6.08
5.07 £ 7.86 £
Lowest price in 30 days from the promotion is:
6.08 £
ISKRA
Glow Plug 11 721 732
Wrench size [mm] 10
Thread size [mm] M10
Thread pitch [mm] 1
Total length [mm] 107
Connector M4
7.42
6.18 £ 9.48 £
Lowest price in 30 days from the promotion is:
7.42 £
ISKRA
Glow Plug 11 721 737
Wrench size [mm] 8
Thread size [mm] M8
Thread pitch [mm] 1
Total length [mm] 118
Connector M4
7.54
6.28 £ 10.44 £
Lowest price in 30 days from the promotion is:
7.54 £
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Premium Spark Plugs & Glow Plugs for Peak Engine Performance
Ensure reliable ignition and optimal engine efficiency with our expertly curated selection of spark plugs and glow plugs at IC24.uk. Whether you drive a petrol or diesel vehicle, these components are critical for smooth engine starts, efficient combustion, and lower emissions—especially during cold weather starts.
Why Spark Plugs & Glow Plugs Matter
Spark plugs are essential for igniting the air-fuel mixture in petrol engines. High-quality spark plugs improve fuel efficiency, enhance throttle response, and reduce misfires. On the other hand, glow plugs are used in diesel engines to heat the combustion chamber, ensuring a quicker and smoother start—particularly in colder climates.
Signs You May Need Replacement
- Difficulty starting your vehicle
- Increased fuel consumption
- Engine misfires or rough idling
- Poor acceleration
- Check engine light related to ignition faults
If you notice any of these symptoms, it's time to inspect your plugs and consider replacements to avoid further damage and costly repairs.
Trusted Brands. Expertly Matched.
We stock a wide range of OEM-quality spark plugs and glow plugs from trusted manufacturers such as Bosch, NGK, Denso, and Beru—ensuring perfect fitment and lasting performance. Use our vehicle selector tool to find parts tailored to your specific make and model with ease.
Benefits of Choosing IC24.uk
- Wide selection of premium-quality ignition components
- Fast UK delivery from a trusted supplier
- Easy-to-use vehicle compatibility checker
- Competitive prices with regular offers
- Helpful customer support for fitment queries
Whether you're carrying out routine maintenance or resolving ignition issues, investing in the right spark or glow plug can dramatically improve your vehicle's performance and fuel economy.
Order your replacement spark plugs or glow plugs today and keep your engine running at its best.
Looking for more essential engine components? Explore our full range of engine oil level switches here and ensure your vehicle is protected from low oil levels and potential engine damage.