Mountfield SP42 ST120 Carburettor Gasket 118550924/0
This is a genuine replacement carburettor gasket that fits the ST120 Autochoke engine, this engine was fitted to the following models of Mountfield engine
- SP42 2019-2024 Models
It was also fitted to the following model and year variants
HP164 - 2019 [297411048/MC], 2020, 2021, 2022, 2023
HP185 - 2022
HP41 - 2020, 2021 [297411043/M21], 2021 [297411043/MC], 2022, 2023
HP414 - 2020
HP42 - 2019, 2020, 2021, 2022, 2023
HP45 - 2020 [2L0481048/AMZ], 2021, 2022
HP454 - 2016, 2017, 2018
HP46 - 2019 [2L0481048/M19], 2020, 2021
HW 46 BA-2 - 2021, 2022
MANOR COMPACT 36 V - 2020, 2021, 2022, 2023
MOLEMASTER 46PD - 2016, 2017, 2018
S421 HP - 2019, 2020
S421 PD - 2019, 2020
S421R HP - 2019, 2020, 2021, 2022, 2023
S421R PD - 2019, 2020, 2021, 2022, 2023
S481 HP - 2017, 2018, 2019, 2020
SP46 - 2020, 2021, 2022
SP160R - 2021, 2022, 2023
SP164 - 2019 [297412048/MC], 2020, 2021, 2022, 2023
SP185 - 2022
SP41 - 2020, 2021, 2022, 2023
SP414 - 2020
SP42 - 2019, 2020, 2021, 2022, 2023
SP45 - 2017, 2018, 2020 [2L0482048/AMZ], 2021, 2022
SP454 - 2016, 2017, 2018, 2020
SP46 - 2020, 2021, 2022
SP51 - 2021, 2022
Part Number 118550924/0
FAQ
Frequently Asked Questions
Questions we get asked by our customers. If you need more help please get in touch via our chat.
We aim to dispatch all orders within 1 business day. Orders placed before 2pm are usually shipped the same day.
We ship 99% of our orders via Royal Mail. If you select the free shipping option, you will typically receive your parts within 4 working days.
We stock both genuine parts and premium aftermarket alternatives under our own brand, HardRidge Parts, designed for durability and performance.
Each product page includes compatibility information. If you’re unsure, just contact us with your model number—we’re happy to help.
Look for a sticker on the lawnmower deck—it will show the model year and often an ART number. We can identify your machine using that information.
We offer a 30-day return policy. Parts must be unused and in their original condition. Please see our Returns Policy page for full details.
At the moment, we only ship within the UK.
Orders under £30 are sent via Royal Mail 2D tracking, which provides delivery confirmation but not live updates. Orders over £30 are sent with a fully tracked service via Royal Mail or Evri.
You can email us atsales@outdoorspares.comor use the contact form on our Contact Us page. We typically respond within 24 hours on business days. We also offer live chat and usually reply straight away, though during busy periods it may take a little longer.