Spark Plug Boot - Stihl
This boot fits over the spark plug terminal and connects internally via a spring clip to the ignition lead, ensuring efficient transfer of electrical current required for combustion.
Stihl Spark Plug Boot - OEM Number: 4237-405-1001
Part No.
HGR1937
The Stihl Spark Plug Boot (OEM 4237-405-1001) is a direct replacement ignition component designed to provide a secure electrical connection between the ignition coil lead and the spark plug on a range of Stihl petrol-powered equipment. It plays a key role in delivering consistent ignition performance and reliable engine operation.
This boot fits over the spark plug terminal and connects internally via a spring clip to the ignition lead, ensuring efficient transfer of electrical current required for combustion. It also provides insulation and protection against moisture, dirt, and vibration, helping maintain consistent engine performance in demanding working environments.
Function and Operation
- Connects ignition lead to spark plug for reliable spark delivery
- Ensures consistent electrical contact via internal spring connector
- Insulates the connection to prevent electrical loss
- Protects against dirt, moisture, and vibration
- Supports reliable engine starting and smooth running
Technical Details
- OEM Part Number: 4237-405-1001
- Type: Spark plug boot / ignition connector
- Function: Transfers electrical current to spark plug
- Construction: Insulated rubber boot with internal metal connector
- Application: Ignition system component
ypical Applications
Suitable for use on a range of Stihl equipment, including:
- Hedge trimmers (e.g. HS82, HS87 models)
- Petrol-powered garden and landscaping equipment
- Professional and domestic handheld machinery
- Small engine tools requiring reliable ignition systems
Important Information
Always confirm the correct OEM part number and machine model before ordering, as ignition components can vary between models and engine types.
| Pack quantity | 1 |
| Weight | 0.02 |
| OEM Number | 4237 405 1001 |
| Manufacturer | Stihl |
Available as part of:
DELIVERY OPTIONS (UK mainland only)
Next Day Delivery*
£11.95 or FREE for orders over £150
Orders placed before 4pm Monday to Friday will be delivered on the next business day.
Orders placed after 4pm on Friday will be delivered the following Tuesday.
*Next day delivery applies to stocked items only. Availability can be found on the product pages.
Premium Delivery*
£27.50 for delivery before 10:30am
£20.00 for delivery before 12:30pm
*Premium delivery applies to stocked items only. Availability can be found on the product pages.
For all other countries, please click here for full delivery information.
**Separate carriage charges apply to bulk products such as 205L barrels.
Customers Also Bought
Torsion Spring
Code: HDC0676
£1.78
Spark Plug Boot
Code: HDC0754
£10.27
