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The Mountfield RS100 Filter, Plug & Primer Bulb Service Kit (OSK89605) is a genuine OEM replacement designed specifically for Mountfield RS100 OHV petrol engines, including HP414 and SP414 mower models. This high-quality kit enables quick, under-one-hour installation, offering a cost-effective alternative to professional servicing while maintaining peak engine performance.
| ASIN | B01MRRCRKQ |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 282,786 in Garden ( See Top 100 in Garden ) 97 in Lawn Mower Tune Up Kits |
| Brand | Mountfield Outdoor Spares |
| Brand Name | Mountfield Outdoor Spares |
| Customer Reviews | 4.5 out of 5 stars 105 Reviews |
| Fit Type | Vehicle Specific Fit |
| Fit type | Vehicle Specific Fit |
| Manufacturer | Mountfield |
| Manufacturer Part Number | OSK89605 |
| Model Number | RS100 |
| OEM Equivalent Part Number | OSK89605 |
| OEM part number | OSK89605 |
| Product Grade | Replacement Part |
| Product grade | Replacement Part |
| Unit Count | 1.0 count |
A**P
Great kit
Whilst this service kit might sound pricy, I feel it offers great value for money. It took me less than an hour to install the various bits and although there were no instructions its quite straight forward to install as it simply a matter of replacing the original bits. The last time I have our lawn mower service from memory it was over £100, but with this kit and an hour of your time you can do a similar job for £20 ands also get satisfaction in doing it.
A**R
as required
good quality
F**E
Perfect replacement
These were exact replacements for the originals and work great
S**T
Incorrect spark plug.
The supplied pumd and filter fitted perfect, but the supplied spark plug was the wrong length. I managed to clean up the old one and reused. Engine started after priming and three good pulls.
S**Y
Nice replacement
Nice kit did the job of replacing old wearing thin items
M**N
As expected
Perfect fit for my unit made a great deal of difference to the performance .recomend to all
H**S
Excellent value
This service kit for my mower as helped with its starting and running. Well worth the money, especially if you compare just the price of a spark plug in local stores.
M**S
Didn’t fit
Didn’t fit
Trustpilot
1 month ago
3 weeks ago