NGK IFR5E13 Laser Iridium Spark Plug (6903)
Original price was: £28.06.£18.27Current price is: £18.27.
NGK IFR5E13 Laser Iridium Spark Plug – Stock No. 6903
This NGK Laser Iridium spark plug gives reliable ignition, smooth idle, and long service life. The fine iridium centre tip needs less voltage to spark, which helps cold starts and reduces misfires. A platinum ground pad resists wear, keeping the gap stable for many miles.
Use this plug if your engine specifies NGK heat range 5, 14 mm thread, 19 mm reach, and a 1.3 mm gap. Always confirm with the vehicle lookup on our site or check the Vehicle Fitment tab.
| Specification | Value |
|---|---|
| Part Number | IFR5E13 |
| NGK Stock Number | 6903 |
| GTIN | 87295169032 |
| Category | 686 – Spark Plug |
| Plug Type | Laser Iridium (iridium centre, platinum ground pad) |
| Resistor | Yes |
| Heat Range (NGK) | 5 |
| Thread Diameter | M14 x 1.25 |
| Reach (thread length) | 19 mm |
| Seat Type | Flat seat with gasket |
| Hex Size | 16 mm (5/8 inch) |
| Factory Gap | 1.3 mm |
| Centre Electrode Tip | Fine iridium, approx. 0.6 mm |
| Recommended Tightening Torque | 18 – 25 Nm (14 mm gasket seat) |
- Stable spark and smoother running due to fine iridium tip.
- Long life from iridium and platinum wear pads.
- Helps cold starts and throttle response by reducing required voltage.
Installation notes: Fit to a cold engine. Do not use anti-seize on NGK plated threads. Start by hand to avoid cross-threading. Tighten to the stated torque. Check the gap meets your vehicle spec; adjust only with care to avoid damaging the fine electrodes.
The price displayed is for a single plug, please add the desired amount to your basket.
| Weight | 0.05 kg |
|---|---|
| Dimensions | 10 × 3 × 3 cm |
| Brand |
NGK-6903 Confirmed Fitment
Please note, this information is a combination of supplier provided compatibility data and our workshop expertise. While every effort has been made to ensure the accuracy of this information Progressive Parts Ltd are not liable for abnormalities or inaccurate data. Customers are wholly responsible for checking fitment for their vehicle. More information is available from our Terms & Conditions
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DELIVERY INFORMATION
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Stock at Progressive Parts
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