Best current price£7.91from Blueperry agriculture (UK)
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The Mountfield Transmission Tension Spring (122450434/0) is an essential replacement component designed for homeowners and professional landscapers who rely on Mountfield lawnmowers to maintain their drive system functionality. This genuine part ensures your mower's transmission maintains correct tension, providing consistent forward movement and reliable power delivery during operation. While it is a high-quality, precision-engineered part, users must ensure they have the correct tools and mechanical confidence to access the drive assembly, as installation requires internal housing access.
| Model Part Number | 122450434/0 |
|---|---|
| Brand | Mountfield |
Compare your mower's model number and the existing spring's dimensions against the part number 122450434/0. You can also consult your mower's parts diagram.
No, it is a bare metal component. Applying a small amount of corrosion-resistant grease can help prevent rust over time.
It is of moderate difficulty; it requires basic mechanical skills to reach the transmission area and safely tension the spring.
Genuine Mountfield parts are calibrated to the exact spring constant and dimensions required for your machine's drive system, ensuring proper tension levels.
It is often possible, but removing the drive belt usually provides easier access and a clearer view of the anchor points.
Check the drive belt for wear or glazing; a new spring cannot compensate for a stretched belt.
Use a spring puller tool or a piece of heavy-duty string to provide extra leverage when pulling the spring into the anchor point.
To install this spring, ensure the mower is disconnected from the spark plug wire to prevent accidental engine start-up. You will need to remove the protective drive belt cover or the mower deck depending on your specific Mountfield model. Use a spring puller or needle-nose pliers to hook the spring into the designated tensioning anchor points on the transmission housing.
