NGK TR5AI-13 Laser Iridium Spark Plug (90813)
Original price was: £28.13.£18.22Current price is: £18.22.
NGK TR5AI-13 Laser Iridium Spark Plug – Stock No. 90813
This NGK Laser Iridium spark plug delivers reliable ignition with a fine iridium centre electrode for strong spark and long life. It resists fouling, keeps idle smooth, and maintains performance over a high mileage interval. Ideal for standard engines and light performance upgrades where dependable spark and stable combustion matter.
Why choose this plug
- Iridium tip for a sharp, consistent spark and excellent wear resistance
- Resistor design to reduce electrical noise that can affect the ECU
- Pre-set 1.3 mm gap for quick fitment and stable idle
| Specification | Detail |
|---|---|
| Part number | TR5AI-13 |
| NGK stock number | 90813 |
| Category | 686 – Spark Plug |
| GTIN | 87295908136 |
| Type | Laser Iridium, resistor |
| Thread diameter | 14 mm |
| Thread reach | 19.0 mm |
| Seat type | Tapered seat |
| Hex size | 16 mm (5/8 in) |
| Heat range | 5 (NGK scale) |
| Factory gap | 1.3 mm |
| Centre electrode | Fine iridium tip |
| Ground electrode | Nickel alloy |
| Terminal | SAE solid |
| Recommended torque | 15-20 Nm for 14 mm tapered seat |
Fitment guidance
This code is used across various petrol engines that take a 14 mm tapered-seat, 19 mm reach, heat range 5 NGK plug with a 1.3 mm gap. Use our vehicle lookup or check the Vehicle Fitment tab to confirm for your exact engine.
Note: Always check your owner manual or OEM spec for correct heat range and gap before installation. Adjust gap only if the vehicle manufacturer specifies a different setting.
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-90813 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
UK Shipping
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Out of stock items are sourced from our extended inventory and supplier inventory where possible. These may require manufacturing or carry extended lead times which we endeavour to alert you about if the website hasn't already provided an estimated delivery timescale.
DELIVERY INFORMATION
International Shipping
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If your delivery address is outside of the UK, local tax will be removed and you will have to pay import duties and taxes when the shipment reaches your country.
All international shipments may be subject to cross-border inspections by customs authorities while customs policies vary widely from country to country. You must meet any additional charges for customs clearance and we recommend that you contact your local customs office for further information.
DELIVERY INFORMATION
Returns
Progressive Parts operates a 14 day return period from the date of delivery for unused products.
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Stock at Progressive Parts
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What do our stock statuses mean?
1+ IN STOCK in green stock is readily available in one of our warehouses for express delivery (at the time of viewing).
LOW STOCK in green means we're running low! 1 or 2 left on the shelf so act fast. Over evenings, weekends and bank holidays this stock can move quickly so please bear this in mind.
0 IN STOCK in blue means our primary warehouse does not have unallocated stock, but our UK partners do. Often these can be shipped quickly and efficiently. You'll be notified via the Track My Order page if further delays are unavoidable.
MADE TO ORDER in blue means we've partnered with a supplier which primarily makes their products to order. It's not on our shelf, but your order goes into production immediately.
0 IN STOCK in orange means everybody we work with is unfortunately out of stock. Stock is not available in the UK. The best course of action is to place an order to create an allocation from the next batch arriving.
OUT OF STOCK in red. This product is unavailable to order, for whatever reason we're unable to obtain stock or there is an issue with supply/lead times.
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Type-approval then, is a certain guarantee that an end user will receive a product of OE equivalent performance attributes.
Products on the Progressive Parts website that meet this approval will be clearly marked or labelled EC or ECE approved.